Ultimate Fighting Calendar
Bantamweight3 rounds scheduled
WIN
Ji Yong Yang
RESULT

Ji Yong Yang def. Mamoru Uoi (Knockout)

Knockout · Round 2 · 4:13
Mamoru Uoi
Fullswing
25-17-5
Sunday, November 6, 2022
Aichi Prefectural Gymnasium (Dolphins Arena), Nagoya, Japan

Ji Yong Yang defeated Mamoru Uoi by Knockout in round 2 (4:13) in the Bantamweight bout of Rizin FF - Landmark Vol. 4, held Sunday, November 6, 2022 at Aichi Prefectural Gymnasium (Dolphins Arena), Nagoya.

Betting Odds

Ji Yong Yang
-323
76% implied win probability
Open: -333Best: -275
Mamoru Uoi
+238
30% implied win probability
Open: +221Best: +275

Average moneyline across 3 sportsbooks.

SportsbookJi Yong YangMamoru Uoi
BetOnline-350+275
Betway-275+200
sportsbetio-357+238

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

Frequently asked questions

Who won Ji Yong Yang vs Mamoru Uoi?

Ji Yong Yang defeated Mamoru Uoi by Knockout in round 2 (4:13) in the Bantamweight bout of Rizin FF - Landmark Vol. 4, held Sunday, November 6, 2022 at Aichi Prefectural Gymnasium (Dolphins Arena), Nagoya.

Referee
Akira Shibata
Pre-fight comparison

Win probability

Ji Yong Yang 58%42% Mamoru Uoi

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

10-5-0
Record
25-17-5
1688
Power Index rating
1630
0
Win Streak
1
30
Age
41
5'7"
170 cm
Height
5'5"
165 cm
70"
178 cm
Reach
66"
168 cm
-
Stance
-
Bantamweight
Weight Class
Bantamweight
South Korea
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)

Ji Yong Yang · 1-3
  • L
    Road FC 76 · Mar 15, 2026
    Unanimous Decision · Bantamweight
  • L
    Rizin FF - Super Rizin 4 · Jul 27, 2025
    Submission · R2 · 3:52 · Bantamweight
  • W
    Rizin FF - World Series in Korea · May 31, 2025
    TKO · R3 · 0:19 · Bantamweight
  • L
    Road FC 72 · Mar 16, 2025
    TKO · R1 · 1:26
  • NC
    Road FC 71 · Dec 29, 2024
    No Contest · R1 · 1:02 · Bantamweight
Mamoru Uoi · 2-3
  • L
    DEEP 130 Impact · Mar 20, 2026
    Unanimous Decision · Bantamweight
  • L
    DEEP 127 Impact · Sep 15, 2025
    Unanimous Decision · Bantamweight
  • W
    RIZIN 50 · Mar 30, 2025
    Decision · R3 · 5:00
  • L
    DEEP 123 Impact · Dec 8, 2024
    Unanimous Decision · Bantamweight
  • W
    DEEP Tokyo Impact 2024 4th Round · Sep 7, 2024
    Unanimous Decision · Bantamweight