Ultimate Fighting Calendar
RIZINRizin FF - Rizin 20
108 lb Catchweight3 rounds scheduled
WIN
Ham Seo Hee
South KoreaHam Seo Hee
“Hamzzang”
17-8-0
RESULT

Ham Seo Hee def. Ayaka Hamasaki (Decision)

Split Decision · Round 3 · 5:00
Ayaka Hamasaki
JapanAyaka Hamasaki
26-8-0
Tuesday, December 31, 2019
Saitama Super Arena, Saitama, Japan

Ham Seo Hee defeated Ayaka Hamasaki by Split Decision in round 3 (5:00) in the 108 lb Catchweight bout of Rizin FF - Rizin 20, held Tuesday, December 31, 2019 at Saitama Super Arena, Saitama.

Betting Odds

Ham Seo Hee
-106
51% implied win probability
Open: +120Best: -106
Ayaka Hamasaki
-125
56% implied win probability
Open: -159Best: -125

Average moneyline across 1 sportsbooks.

SportsbookHam Seo HeeAyaka Hamasaki
unibet-106-125

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

Frequently asked questions

Who won Ham Seo Hee vs Ayaka Hamasaki?

Ham Seo Hee defeated Ayaka Hamasaki by Split Decision in round 3 (5:00) in the 108 lb Catchweight bout of Rizin FF - Rizin 20, held Tuesday, December 31, 2019 at Saitama Super Arena, Saitama.

Referee
Jason Herzog
Pre-fight comparison▾

Win probability

Ham Seo Hee 37%63% Ayaka Hamasaki

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

17-8-0
Record
26-8-0
1720
Power Index rating
1813
0
Win Streak
0
39
Age
44
5'2"
157 cm
Height
5'2"
157 cm
62"
157 cm
Reach
63"
160 cm
Southpaw
Stance
-
108 lb Catchweight
Weight Class
108 lb Catchweight
South Korea
Nationality
Japan

Striking Profile

4.20
SLpM
-
39%
Str. Acc.
-
5.15
SApM
-
61%
Str. Def.
-

Grappling Profile

0.00
TD Avg.
-
0%
TD Acc.
-
66%
TD Def.
-
0.20
Sub. Avg.
-

Recent form (last 5 fights)

Ham Seo Hee · 4-1
  • L
    Stamp Fairtex
    ONE Fight Night 14: Stamp vs. Ham on Prime Video · Sep 30, 2023
    TKO · R3 · Atomweight
  • W
    Itsuki Hirata
    ONE Fight Night 8: Superlek vs. Williams on Prime Video · Mar 25, 2023
    Unanimous Decision · R3 · Atomweight
  • W
    Denice Zamboanga
    ONE X · Mar 26, 2022
    Unanimous Decision · R3 · 5:00 · Atomweight
  • W
    Denice Zamboanga
    Empower · Sep 3, 2021
    Split Decision · R3 · 5:00 · Atomweight
  • W
    Ayaka Hamasaki
    Rizin FF - Rizin 20 · Dec 31, 2019
    Split Decision · R3 · 5:00 · 108 lb Catchweight
Ayaka Hamasaki · 2-3
  • L
    Natalia Kuziutina
    Rizin FF - Landmark Vol. 13 · Apr 12, 2026
    Submission · R1 · 4:55 · 108 lb Catchweight
  • W
    Ye Ji Lee
    DEEP JEWELS 51 · Nov 23, 2025
    Unanimous Decision · Atomweight
  • L
    Moeri Suda
    DEEP JEWELS 48 · Mar 23, 2025
    Submission · R1 · 2:28
  • W
    Yu Ri Shim
    Rizin FF - Landmark Vol. 10 · Nov 17, 2024
    Submission · R2 · 1:15 · 108 lb Catchweight
  • L
    Si Woo Park
    Rizin FF - Super Rizin / Rizin 38 · Sep 25, 2022
    Unanimous Decision · R3 · 5:00 · 108 lb Catchweight

Career Averages

Based on 4 fights · 0 fights
63.0
Avg sig. strikes
-
0.00
Avg takedowns
-
0:59
Avg control time
-
92
Career high strikes
-
0
Career high TDs
-

Strike Distribution

Ham Seo Hee
Strike target
Ayaka Hamasaki
60%
Head
-
25%
Body
-
15%
Leg
-
Ham Seo Hee
Strike position
Ayaka Hamasaki
88%
Distance
-
10%
Clinch
-
2%
Ground
-