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Don Devon Singh

Jiu Jitsu Factory

U10 -34 kg
W–L
-
Won and lost rating-eligible matches in the past 12 months.
Gi
-
Rating based on Gi matches in the past 12 months.
No-Gi
-
Rating based on No-Gi matches in the past 12 months.
Current form
-
Results from the ten most recent rating-eligible matches.
Opponents
-
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
0
Silver
1
Bronze
1
Total medals
2
Events with results
7

Full career record

Wins
4
Losses
16
Matches
20
Win rate
20.0%

Ways of winning

Submission
0
Points
3
Decision
0
Disqualification
0
Other recorded result
1

Personal records

Longest winning streak
1

Recent recorded placements

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
0
Unique opponents
17
Distinct events
0

Ways of winning

  • Submission 0
  • Points 0
  • Decision 0
  • Other recorded result 0

Gi versus No-Gi

Gi

Rating
-
Record
-
Win rate
-
Submission share
-

No-Gi

Rating
-
Record
-
Win rate
-
Submission share
-

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
-
Change over 90 days
-
Highest rating in 12 months
1,196
Performance versus expectation
-
Schedule strength
-
Average opponent rating
-
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
-
Effective evidence
-
Confidence
-

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 2–4 2–4 across 6 rematches against 3 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

No win over a currently ranked opponent in this period.

Full career

  1. #949 Davi Van Heeswijk · Lion Cub Jiu Jitsu Competition 3 Pts 7–2 Earlier · — 10–0 September 18, 2022 · BATAVI OPEN - Kids Edition 2022

Rivals

Opponent Head-to-head record Matches
Vova Petrunin 0–2 2

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.

April 2026 No new matches · 5 left period Change -70 Rating 1,103

Rating-period composition

Rating matches
2 -5
Record
0–2 Previous month 0–7
Opponents
2 -4
Events
1 -1

5 older matches left the 12-month period: 0 won and 5 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 No new matches Change 0 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
Opponents
6 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 +1 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
Opponents
6 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 -1 Rating 1,172

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
Opponents
6 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 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
Opponents
6 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 No new matches Change +4 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
Opponents
6 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.

October 2025 No new matches · 2 left period Change -24 Rating 1,169

Rating-period composition

Rating matches
7 -2
Record
0–7 Previous month 1–8
Opponents
6 -2
Events
2 -1

2 older matches left the 12-month period: 1 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

September 2025 No new matches Change -3 Rating 1,193

Rating-period composition

Rating matches
9 0
Record
1–8 Previous month 1–8
Opponents
8 0
Events
3 0

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

Relevant matches
-
Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 0 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
-
Repeated-opponent share
-
Network connectivity
-