ONE ONE SAMURAI 3

Flyweight5 rounds scheduled

Yuya Wakamatsu

“Little Piranha”

10-5-0

STARTS IN··d ··h ··m

Yuya Wakamatsu vs Willie van Rooyen

Willie van Rooyen

“White Lion”

1-1-0

Saturday, September 12, 2026

Yokohama Buntai, Yokohama, Japan

Win probability

Yuya Wakamatsu 67%33% Willie van Rooyen

Based on both fighters' current UFCal Elo ratings. See all Elo ratings

Tale of the Tape

10-5-0

Record

1-1-0

1651

Elo rating

1525

Win Streak

Age

5'6"

168 cm

Height

5'7"

170 cm

68"

173 cm

Reach

—

Stance

—

Flyweight

Weight Class

Flyweight

Japan

Nationality

South Africa

Striking Profile

—

SLpM

—

Str. Acc.

—

SApM

—

Str. Def.

—

Grappling Profile

—

TD Avg.

—

TD Acc.

—

TD Def.

—

Sub. Avg.

—

Recent form (last 5 fights)

Yuya Wakamatsu · 4-1

L
Avazbek Kholmirzaev
ONE SAMURAI 1Wed, Apr 29, 2026
Knockout · R2 · 4:53 · Flyweight
W
Joshua Pacio
ONE 173: Superbon vs. NoiriSun, Nov 16, 2025
TKO · R2 · Flyweight
W
Adriano Moraes
ONE 172: Takeru vs. RodtangSun, Mar 23, 2025
TKO · R1 · 3:39 · Flyweight
W
Gilbert Nakatani
ONE Fight Night 26: Lee vs. Rasulov on Prime VideoSat, Dec 7, 2024
Unanimous Decision · R3 · Flyweight
W
Danny Kingad
ONE 165: Superlek vs. TakeruSun, Jan 28, 2024
Unanimous Decision · R3 · 5:00 · Flyweight

Willie van Rooyen · 1-1

W
Jeremy Miado
ONE Fight Night 41: Sinsamut vs. Jarvis on Prime VideoSat, Mar 14, 2026
TKO · R3 · Flyweight
L
Avazbek Kholmirzaev
ONE Fight Night 37: Kryklia vs. Agdeve on Prime VideoSat, Nov 8, 2025
Submission · R1 · Flyweight

Common Opponents

Yuya Wakamatsu

Willie van Rooyen

vs
Avazbek Kholmirzaev
LKnockoutR2 · 4:53Wed, Apr 29, 2026 LSubmissionR1Sat, Nov 8, 2025