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Sergei Kovalev

Ratiborets Vienna

U14 -105 lbs
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
2–8
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
9
Silver
11
Bronze
4
Total medals
24
Events with results
18

Full career record

Wins
50
Losses
45
Matches
95
Win rate
52.6%

Ways of winning

Submission
19
Points
26
Decision
3
Disqualification
0

Personal records

Longest winning streak
9
Longest submission streak
2
Longest gold streak
1
Largest recorded points win
20–0

Recent recorded placements

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
1
Unique opponents
65
Distinct events
3

Ways of winning

  • Submission 2 29%
  • Points 3 43%
  • Decision 2 29%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
-
Record
7–2
Win rate
78%
Submission share
29%

No-Gi

Rating
-
Record
0–6
Win rate
0%
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
1,246
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 22–29 22–29 across 51 rematches against 21 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

No win over a currently ranked opponent in this period.

Full career

  1. #319 Adam Dockal · TATAMY 5 (NO-GI and GI) Sub 01:41 0–0

Rivals

Opponent Head-to-head record Matches
Dmytro Demchuk 0–3 3
Dorian Lenz 0–3 3

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.

September 2025 No new matches Change 0 Rating 1,246

Rating-period composition

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

Relevant matches
-
Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 3 events

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