Ultimate Fighting Calendar
Bantamweight3 rounds scheduled
WIN
Shoko Sato
Masamitsu
4-2-0
RESULT

Shoko Sato def. John Sweeney (Submission)

Submission · Round 1 · 4:49
John Sweeney
Hollywood
13-4-0
Saturday, March 7, 2026
Ariake Arena, Koto, Japan

Shoko Sato defeated John Sweeney by Submission in round 1 (4:49) in the Bantamweight bout of Rizin FF - Rizin 52, held Saturday, March 7, 2026 at Ariake Arena, Koto.

Betting Odds

Shoko Sato
+189
35% implied win probability
Open: +150Best: +248
John Sweeney
-247
71% implied win probability
Open: -202Best: -213

Average moneyline across 5 sportsbooks.

SportsbookShoko SatoJohn Sweeney
BetOnline+248-293
BetUS+203-303
Betway+163-225
Cloudbet+171-213
Stake+160-227

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

Frequently asked questions

Who won Shoko Sato vs John Sweeney?

Shoko Sato defeated John Sweeney by Submission in round 1 (4:49) in the Bantamweight bout of Rizin FF - Rizin 52, held Saturday, March 7, 2026 at Ariake Arena, Koto.

Referee
Minoru Toyonaga
Pre-fight comparison

Win probability

Shoko Sato 65%35% John Sweeney

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

4-2-0
Record
13-4-0
1716
Power Index rating
1607
2
Win Streak
0
39
Age
30
5'8"
173 cm
Height
5'7"
170 cm
71"
180 cm
Reach
72"
183 cm
-
Stance
-
Bantamweight
Weight Class
Bantamweight
Japan
Nationality
United States

Striking Profile

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

Grappling Profile

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

Recent form (last 5 fights)

Shoko Sato · 4-1
  • W
    Rizin FF - Rizin 54 · Aug 11, 2026
    Unanimous Decision · R3 · 5:00 · Bantamweight
  • W
    Rizin FF - Rizin 52 · Mar 7, 2026
    Submission · R1 · 4:49 · Bantamweight
  • L
    Rizin FF - Rizin 51 · Sep 28, 2025
    Split Decision · R3 · 5:00 · Bantamweight
  • W
    Rizin FF - World Series in Korea · May 31, 2025
    Unanimous Decision · R3 · 5:00 · Bantamweight
  • W
    RIZIN 48 · Sep 29, 2024
    Decision · R3 · 5:00
John Sweeney · 3-1
  • L
    Rizin FF - Rizin 52 · Mar 7, 2026
    Submission · R1 · 4:49 · Bantamweight
  • NC
    LFA 188: Sweeney vs. Do Nascimento · Jul 12, 2024
    No Contest · Bantamweight
  • W
    LFA 160: Sweeney vs. Begosso · Jun 16, 2023
    Unanimous Decision · Bantamweight
  • W
    LFA 150: Farias vs. Sweeney · Jan 13, 2023
    Unanimous Decision · Bantamweight
  • W
    LFA 137: Gibson vs. Amil · Jul 29, 2022
    Split Decision · Bantamweight