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Kaan Muhammed Bostanci

Renzo Gracie Holland

W–L
3–2
Won and lost rating-eligible matches in the past 12 months.
Gi
1,182
Rating based on Gi matches in the past 12 months.
No-Gi
1,320
Rating based on No-Gi matches in the past 12 months.
Current form
3–2
Results from the ten most recent rating-eligible matches.
Opponents
5
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
1
Silver
0
Bronze
2
Total medals
3
Events with results
2

Full career record

Wins
3
Losses
3
Matches
6
Win rate
50.0%

Ways of winning

Submission
2
Points
1
Decision
0
Disqualification
0

Personal records

Longest winning streak
3
Longest submission streak
2

Recent recorded placements

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
3
Unique opponents
5
Distinct events
2

Ways of winning

  • Submission 2 67%
  • Points 1 33%
  • Decision 0 0%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
1182
Record
1–2
Win rate
33%
Submission share
100%

No-Gi

Rating
1320
Record
2–0
Win rate
100%
Submission share
50%

Win quality

Grouped by pre-match win probability. This provides context and does not award an extra rating bonus.

As underdog 0–0 Less than 35% expected win probability before the match.
Even match 0–0 Between 35% and 65% expected win probability before the match.
As favourite 0–0 More than 65% expected win probability before the match.

Development

Rating and development

The same published rating, supported by trend, opponent strength and evidence quality.

Current rating
1,315
Change over 90 days
-
Highest rating in 12 months
1,305
Performance versus expectation
-
Schedule strength
-
Average opponent rating
1,317
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
0%
Effective evidence
4.4
Confidence
70/100

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Top 10 highest-ranked defeated opponents

Past 12 months

  1. #389 Emirhan Altun · GrappleCity: Rotterdam Winter Open Sub 03:27 0–9

Full career

  1. #389 Emirhan Altun · GrappleCity: Rotterdam Winter Open Sub 03:27 0–9

Recent tournaments

Calculation details

Rating breakdown for the past 12 months

See the published month-end rating and the rating-eligible matches added in each month. Open a month for details.

August 2026 No new matches Change 0 Rating 1,315

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

July 2026 No new matches Change 0 Rating 1,315

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

June 2026 No new matches Change 0 Rating 1,315

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

May 2026 No new matches Change +1 Rating 1,315

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

April 2026 No new matches Change +2 Rating 1,314

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

March 2026 No new matches Change +2 Rating 1,312

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

February 2026 No new matches Change +5 Rating 1,310

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

January 2026 No new matches Change 0 Rating 1,305

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 No new matches Change 0 Rating 1,305

Rating-period composition

Rating matches
5 0
Record
3–2 Previous month 3–2
Opponents
5 0
Events
2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

November 2025 3 new matches Change +202 Rating 1,305

Rating-period composition

Rating matches
5 +3
Record
3–2 Previous month 0–2
Opponents
5 +3
Events
2 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.
Win
November 9, 2025 Timo Van Der Westen
GrappleCity: Rotterdam Winter Open Teens NoGi / White / 14-15 years / -65kg / Boy
Method Points 04:00 0–0
Marginal influence +34
Win
November 9, 2025 Emirhan Altun
GrappleCity: Rotterdam Winter Open Teens NoGi / White / 14-15 years / -65kg / Boy
Method Submission 03:27 0–9
Marginal influence +36
Win
November 9, 2025 Soulaiman Abaghough
GrappleCity: Rotterdam Winter Open Teens Gi / White / 16-17 years / -65kg / Boy
Method Submission 02:34 0–0
Marginal influence +6
October 2025 No new matches Change -5 Rating 1,103

Rating-period composition

Rating matches
2 0
Record
0–2 Previous month 0–2
Opponents
2 0
Events
1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

September 2025 2 new matches Change Starting point Rating 1,108

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.
Loss
September 21, 2025 Fosse Rodenburg
'The Future League 7' by VERSUS -65kg / 14-15yr / White
Method Disqualification 02:00 0–0
Marginal influence -36
Loss
September 21, 2025 Marcos Belchior
'The Future League 7' by VERSUS -65kg / 14-15yr / White
Method Submission 03:14 0–17
Marginal influence -33
Relevant matches
4.4
Official ranking percentile
-
Performance
-

4.4 weighted matches against 5 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,317
Repeated-opponent share
0.0%
Network connectivity
87.6%

Classification evidence

Why U18?

Within the published period from 2025-09-01 through 2026-08-31, only competition ages recorded at events in the calculation year determine this outcome, with at most one vote per event. Without such an age, the most recent unambiguous earlier competition age is projected to the calculation year; bracket evidence is the final fallback. The newest evidence breaks a tie.

Evidence outcome

  • U18 8 event votes Selected outcome

Registrations and outcomes

Grappling Industries AMSTERDAM
U18 · Counts
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -135 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
2026 AGF Netherlands Championships
U18 · Counts
No Gi Juveniles - Adults / Male / Juvenile / White / Light Feather (Up to 65.80 kg)
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Competition age 17
  • Registered age: u18
  • Source category: u18
GrappleCity: Luxembourg Spring Open
U18 · Counts
Teens Gi / White / 16-17 years / -65kg / Boy
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Grappling Industries BRUSSELS
U18 · Counts
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -135 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
OPEN BRUSSELS 2 FBJJB RANKING **** ADULT GI & NoGi 14.03.2026
Does not count
Male No-Gi / White / Adult / -61,0 kg (Light feather)
  • Competition age 17
Male Gi (16+) / White / Adult / -64 kg (Light feather)
  • Competition age 17
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
U18 · Counts
Teens No-Gi (Male) / Expert / 65 - 69.9 / 16-17 years
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Teens Gi (Male) / Beginner / 65 - 69.9 / 16-17 years
  • Competition age 17
  • Registered age: u18
  • Source category: u18
GrappleCity: Rotterdam Spring Open
U18 · Counts
Teens NoGi / White / 16-17 years / -65kg / Boy
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Teens Gi / White / 16-17 years / -65kg / Boy
  • Competition age 17
  • Registered age: u18
  • Source category: u18
COLOGNE WINTER OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
U18 · Counts
Male No-Gi (over 16 y.o.) / White / Youth No-Gi / -62,00 kg
  • Competition age 17
Male Gi (over 16 y.o.) / White / Youth (16-17y.o.) / -62,00 kg
  • Competition age 17
  • Registered age: u18
  • Source category: u18
GrappleCity: Essen Winter Open
U18 · Counts
Teens NoGi / White / 16-17 years / -65kg / Boy
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Teens Gi / White / 16-17 years / -65kg / Boy
  • Competition age 17
  • Registered age: u18
  • Source category: u18
VERSUS Championship 33 - NoGi & Adults only
Does not count
Male No-Gi / Novice / -65
  • Competition age 17
2026 AGF Brugge Championships
Does not count
Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Competition age 17
No Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Competition age 17
INTERCLUB GRAPPLING VLAANDEREN - NO GI - 06/12
Does not count
Male NoGi / White / -64 kg (Light feather)
  • Competition age 16
Grappling Industries BRUSSELS
Does not count
No Gi Teens / Male / Beginner (White) / 16 - 17 years / -145 lbs
  • Competition age 16
  • Registered age: u18
  • Source category: u18
Gi Teens / Male / White / 16 - 17 years / -135 lbs
  • Competition age 16
  • Registered age: u18
  • Source category: u18
2025 AGF Amsterdam Open
Does not count
No Gi Juveniles / Adults / Male / Juvenile / White / Light Feather (Up to 65.80 kg)
  • Competition age 16
  • Registered age: u18
  • Source category: u18
GrappleCity: Rotterdam Winter Open
Does not count
Teens NoGi / White / 14-15 years / -65kg / Boy
  • Competition age 16
  • Registered age: u16
  • Source category: u16
Teens Gi / White / 16-17 years / -65kg / Boy
  • Competition age 16
  • Registered age: u18
  • Source category: u18
'The Future League 7' by VERSUS
Does not count
-65kg / 14-15yr / White
  • Competition age 16
  • Registered age: u16
  • Source category: u16

Classification evidence

Why ≤ 65 kg?

This outcome uses at most one unambiguous upper weight limit per completed ranking event from 2025-09-01 through 2026-08-31. Only the three most recent eligible events are considered, and the lightest verified upper limit is selected. A higher division is not treated as measured body weight.

Evidence outcome

  • ≤ 65 kg 2 competition events Selected outcome

Registrations and outcomes

Grappling Industries AMSTERDAM
Does not count
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -135 lbs
  • Registered weight class: -135 lbs
  • Source competition limit: -135 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries AMSTERDAM
Does not count
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Registered weight class: -145 lbs
  • Source competition limit: -145 lbs

No matches in the rating period · no valid weight evidence

2026 AGF Netherlands Championships
Does not count
No Gi Juveniles - Adults / Male / Juvenile / White / Light Feather (Up to 65.80 kg)
  • Registered weight class: Light Feather (Up to 65.80 kg)
  • Source competition limit: Light Feather (Up to 65.80 kg)

No matches in the rating period · no valid weight evidence

2026 AGF Netherlands Championships
Does not count
Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Registered weight class: Challenger I (Up to 79.50 kg)
  • Source competition limit: Challenger I (Up to 79.50 kg)

No matches in the rating period · no valid weight evidence

GrappleCity: Luxembourg Spring Open
Does not count
Teens Gi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

No matches in the rating period · no valid weight evidence

Grappling Industries BRUSSELS
Does not count
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -135 lbs
  • Registered weight class: -135 lbs
  • Source competition limit: -135 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries BRUSSELS
Does not count
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Registered weight class: -145 lbs
  • Source competition limit: -145 lbs

No matches in the rating period · no valid weight evidence

OPEN BRUSSELS 2 FBJJB RANKING **** ADULT GI & NoGi 14.03.2026
Does not count
Male No-Gi / White / Adult / -61,0 kg (Light feather)
  • Registered weight class: -61,0 kg (Light feather)
  • Source competition limit: -61,0 kg (Light feather)

No matches in the rating period · no valid weight evidence

OPEN BRUSSELS 2 FBJJB RANKING **** ADULT GI & NoGi 14.03.2026
Does not count
Male Gi (16+) / White / Adult / -64 kg (Light feather)
  • Registered weight class: -64 kg (Light feather)
  • Source competition limit: -64 kg (Light feather)

No matches in the rating period · no valid weight evidence

NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
Does not count
Teens No-Gi (Male) / Expert / 65 - 69.9 / 16-17 years
  • Registered weight class: 65 - 69.9
  • Source competition limit: 65 - 69.9

No matches in the rating period · no valid weight evidence

NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
Does not count
Teens Gi (Male) / Beginner / 65 - 69.9 / 16-17 years
  • Registered weight class: 65 - 69.9
  • Source competition limit: 65 - 69.9

No matches in the rating period · no valid weight evidence

GrappleCity: Rotterdam Spring Open
Does not count
Teens NoGi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

No matches in the rating period · no valid weight evidence

GrappleCity: Rotterdam Spring Open
Does not count
Teens Gi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

No matches in the rating period · no valid weight evidence

COLOGNE WINTER OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
Does not count
Male No-Gi (over 16 y.o.) / White / Youth No-Gi / -62,00 kg
  • Registered weight class: -62,00 kg
  • Source competition limit: -62,00 kg

No matches in the rating period · no valid weight evidence

COLOGNE WINTER OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
Does not count
Male Gi (over 16 y.o.) / White / Youth (16-17y.o.) / -62,00 kg
  • Registered weight class: -62,00 kg
  • Source competition limit: -62,00 kg

No matches in the rating period · no valid weight evidence

GrappleCity: Essen Winter Open
Does not count
Teens NoGi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

No matches in the rating period · no valid weight evidence

GrappleCity: Essen Winter Open
Does not count
Teens Gi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

No matches in the rating period · no valid weight evidence

VERSUS Championship 33 - NoGi & Adults only
Does not count
Male No-Gi / Novice / -65

No matches in the rating period · no valid weight evidence

2026 AGF Brugge Championships
Does not count
Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Registered weight class: Challenger I (Up to 79.50 kg)
  • Source competition limit: Challenger I (Up to 79.50 kg)

No matches in the rating period · no valid weight evidence

2026 AGF Brugge Championships
Does not count
No Gi Juveniles - Adults Challenger / Male / Juvenile / White / Challenger I (Up to 79.50 kg)
  • Registered weight class: Challenger I (Up to 79.50 kg)
  • Source competition limit: Challenger I (Up to 79.50 kg)

No matches in the rating period · no valid weight evidence

INTERCLUB GRAPPLING VLAANDEREN - NO GI - 06/12
Does not count
Male NoGi / White / -64 kg (Light feather)
  • Registered weight class: -64 kg (Light feather)
  • Source competition limit: -64 kg (Light feather)

No matches in the rating period · no valid weight evidence

Grappling Industries BRUSSELS
Does not count
No Gi Teens / Male / Beginner (White) / 16 - 17 years / -145 lbs
  • Registered weight class: -145 lbs
  • Source competition limit: -145 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries BRUSSELS
Does not count
Gi Teens / Male / White / 16 - 17 years / -135 lbs
  • Registered weight class: -135 lbs
  • Source competition limit: -135 lbs

No matches in the rating period · no valid weight evidence

2025 AGF Amsterdam Open
Does not count
No Gi Juveniles / Adults / Male / Juvenile / White / Light Feather (Up to 65.80 kg)
  • Registered weight class: Light Feather (Up to 65.80 kg)
  • Source competition limit: Light Feather (Up to 65.80 kg)

No matches in the rating period · no valid weight evidence

GrappleCity: Rotterdam Winter Open
≤ 65 kg · Counts as a competition event
Teens NoGi / White / 14-15 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

2 matches in the rating period

GrappleCity: Rotterdam Winter Open
≤ 65 kg · Counts as a competition event
Teens Gi / White / 16-17 years / -65kg / Boy
  • Registered weight class: -65kg
  • Source competition limit: -65kg

1 match in the rating period

'The Future League 7' by VERSUS
≤ 65 kg · Counts as a competition event
-65kg / 14-15yr / White
  • Registered weight class: -65kg
  • Source competition limit: -65kg

2 matches in the rating period

Classification evidence

Why White?

This outcome uses the belt category of every rating-eligible match from 2025-09-01 through 2026-08-31. The most-fought category is selected; the newest evidence breaks a tie.

Evidence outcome

  • white 5 matches in the rating period Selected outcome

Registrations and outcomes

GrappleCity: Rotterdam Winter Open
white · Counts as a match
Teens NoGi / White / 14-15 years / -65kg / Boy
  • Source belt category: white

2 matches in the rating period

GrappleCity: Rotterdam Winter Open
white · Counts as a match
Teens Gi / White / 16-17 years / -65kg / Boy
  • Source belt category: white

1 match in the rating period

'The Future League 7' by VERSUS
white · Counts as a match
-65kg / 14-15yr / White
  • Source belt category: white

2 matches in the rating period