Featherweight3 rounds scheduled
RESULT
Takahiro Okuyama def. Tetsuya Yamato (Submission)
Submission · Round 1 · 4:10
0-1-0
Sunday, September 28, 2025
Aichi International (IG) Arena, Nagoya, Japan
Takahiro Okuyama defeated Tetsuya Yamato by Submission in round 1 (4:10) in the Featherweight bout of Rizin FF - Rizin 51, held Sunday, September 28, 2025 at Aichi International (IG) Arena, Nagoya.
Betting Odds
Takahiro Okuyama
-199
67% implied win probability
Open: -141Best: -164
Tetsuya Yamato
+151
40% implied win probability
Open: +130Best: +163
Average moneyline across 5 sportsbooks.
| Sportsbook | Takahiro Okuyama | Tetsuya Yamato |
|---|---|---|
| BetOnline | -164 | +144 |
| Betway | -225 | +163 |
| Bovada | -210 | +160 |
| MyBookie | -204 | +145 |
| Stake | -204 | +145 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Takahiro Okuyama vs Tetsuya Yamato?
Takahiro Okuyama defeated Tetsuya Yamato by Submission in round 1 (4:10) in the Featherweight bout of Rizin FF - Rizin 51, held Sunday, September 28, 2025 at Aichi International (IG) Arena, Nagoya.
Referee
Tatsuro Nagase
Pre-fight comparison▾
Win probability
Takahiro Okuyama 45%55% Tetsuya Yamato
What the model gave each fighter going into the fight, from their pre-fight UFCalendar Power Index ratings. See the full Power Index
Tale of the Tape
2-3-0
Record
0-1-0
1462
Power Index rating
1500
1
Win Streak
0
32
Age
38
5'6"
168 cm
Height
5'7"
170 cm
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Reach
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Stance
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Featherweight
Weight Class
Featherweight
Japan
Nationality
Japan
Striking Profile
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SLpM
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Str. Acc.
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SApM
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Str. Def.
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Grappling Profile
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TD Avg.
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TD Acc.
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TD Def.
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Sub. Avg.
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Recent form (last 5 fights)
Takahiro Okuyama · 2-3
Tetsuya Yamato · 2-3