Featherweight3 rounds scheduled
9-2-0
RESULT
Kaiwen Li def. Arata Mizuno (Knockout)
Knockout · Round 1 · 4:27
Tuesday, August 11, 2026
Toyota Arena Tokyo, Koto, Japan
Kaiwen Li defeated Arata Mizuno by Knockout in round 1 (4:27) in the Featherweight bout of Rizin FF - Rizin 54, held Tuesday, August 11, 2026 at Toyota Arena Tokyo, Koto.
Betting Odds
Arata Mizuno
-190
66% implied win probability
Open: -187Best: -182
Kaiwen Li
+143
41% implied win probability
Open: +142Best: +150
Average moneyline across 4 sportsbooks.
Line Movement
| Sportsbook | Arata Mizuno | Kaiwen Li |
|---|---|---|
| BetOnline | -200 | +150 |
| Betway | -188 | +140 |
| Cloudbet | -182 | +146 |
| Stake | -192 | +137 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Arata Mizuno vs Kaiwen Li?
Kaiwen Li defeated Arata Mizuno by Knockout in round 1 (4:27) in the Featherweight bout of Rizin FF - Rizin 54, held Tuesday, August 11, 2026 at Toyota Arena Tokyo, Koto.
Referee
Masato Fukuda
Pre-fight comparison▾
Win probability
Arata Mizuno 63%37% Kaiwen Li
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
9-2-0
Record
9-3-0
1721
Power Index rating
1630
0
Win Streak
1
23
Age
30
6'0"
183 cm
Height
5'9"
175 cm
-
Reach
69"
175 cm
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Stance
-
Featherweight
Weight Class
Featherweight
Japan
Nationality
China
Striking Profile
-
SLpM
-
-
Str. Acc.
-
-
SApM
-
-
Str. Def.
-
Grappling Profile
-
TD Avg.
-
-
TD Acc.
-
-
TD Def.
-
-
Sub. Avg.
-
Recent form (last 5 fights)
Arata Mizuno · 3-2
Kaiwen Li · 3-2