Ultimate Fighting Calendar
Flyweight3 rounds scheduled
Jason Seddoh
Siege
1-1-0
RESULT

Koki Adachi def. Jason Seddoh (Split Decision)

Split Decision · Round 3
WIN
Koki Adachi
Friday, March 6, 2026
Lumpinee Stadium, Bangkok, Thailand

Koki Adachi defeated Jason Seddoh by Split Decision in round 3 in the Flyweight bout of ONE Friday Fights 145, held Friday, March 6, 2026 at Lumpinee Stadium, Bangkok.

Betting Odds

Jason Seddoh
+128
44% implied win probability
Open: +105Best: +128
Koki Adachi
-148
60% implied win probability
Open: -145Best: -148

Average moneyline across 1 sportsbooks.

SportsbookJason SeddohKoki Adachi
BetOnline+128-148

Odds are for information only. · Odds data: fightodds.io

Frequently asked questions

Who won Jason Seddoh vs Koki Adachi?

Koki Adachi defeated Jason Seddoh by Split Decision in round 3 in the Flyweight bout of ONE Friday Fights 145, held Friday, March 6, 2026 at Lumpinee Stadium, Bangkok.

Pre-fight comparison

Win probability

Jason Seddoh 45%55% Koki Adachi

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

1-1-0
Record
1-0-0
1571
Power Index rating
1609
0
Win Streak
1
24
Age
20
6'0"
183 cm
Height
5'8"
173 cm
-
Reach
-
-
Stance
-
Flyweight
Weight Class
Flyweight
England
Nationality
Japan

Striking Profile

-
SLpM
-
-
Str. Acc.
-
-
SApM
-
-
Str. Def.
-

Grappling Profile

-
TD Avg.
-
-
TD Acc.
-
-
TD Def.
-
-
Sub. Avg.
-

Recent form (last 5 fights)

Jason Seddoh · 1-1
  • L
    ONE Friday Fights 145 · Mar 6, 2026
    Split Decision · R3 · Flyweight
  • W
    ONE Friday Fights 128 · Oct 10, 2025
    Knockout · R1 · Flyweight
Koki Adachi · 4-0
  • W
    ONE Friday Fights 145 · Mar 6, 2026
    Split Decision · R3 · Flyweight
  • W
    Grachan 79 × HELIOS II · Dec 20, 2025
    Submission · R1 · 2:21 · Bantamweight
  • W
    Grachan 77 · Sep 13, 2025
    Submission · R1 · 3:24 · Bantamweight
  • W
    Grachan 71 · Sep 15, 2024
    TKO · R1 · 4:12 · Bantamweight