161 lb Catchweight3 rounds scheduled
RESULT
Tatsuya Saika def. Noah Bey (Knockout)
Knockout · Round 2 · 0:32
Wednesday, December 31, 2025
Saitama Super Arena, Saitama, Japan
Tatsuya Saika defeated Noah Bey by Knockout in round 2 (0:32) in the 161 lb Catchweight bout of Rizin FF - Shiwasu no Cho Tsuwamono Matsuri, held Wednesday, December 31, 2025 at Saitama Super Arena, Saitama.
Betting Odds
Tatsuya Saika
+209
32% implied win probability
Open: +180Best: +240
Noah Bey
-284
74% implied win probability
Open: -243Best: -275
Average moneyline across 5 sportsbooks.
| Sportsbook | Tatsuya Saika | Noah Bey |
|---|---|---|
| BetOnline | +240 | -280 |
| Betway | +200 | -275 |
| Bovada | +220 | -300 |
| MyBookie | +190 | -280 |
| Stake | +195 | -286 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Tatsuya Saika vs Noah Bey?
Tatsuya Saika defeated Noah Bey by Knockout in round 2 (0:32) in the 161 lb Catchweight bout of Rizin FF - Shiwasu no Cho Tsuwamono Matsuri, held Wednesday, December 31, 2025 at Saitama Super Arena, Saitama.
Referee
Tatsuro Nagase
Pre-fight comparison▾
Win probability
Tatsuya Saika 61%39% Noah Bey
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
14-8-0
Record
6-4-0
1710
Power Index rating
1635
0
Win Streak
1
35
Age
31
5'11"
180 cm
Height
5'10"
178 cm
73"
185 cm
Reach
71"
180 cm
-
Stance
-
161 lb Catchweight
Weight Class
161 lb Catchweight
Japan
Nationality
United States / Japan
Striking Profile
-
SLpM
-
-
Str. Acc.
-
-
SApM
-
-
Str. Def.
-
Grappling Profile
-
TD Avg.
-
-
TD Acc.
-
-
TD Def.
-
-
Sub. Avg.
-
Recent form (last 5 fights)
Tatsuya Saika · 2-3
Noah Bey · 4-1
Common Opponents
Tatsuya Saika
Noah Bey