12 Apr 1998
Born
180 cm
Height
73 kg
Weight
right-handed
Plays
2016
Turned pro
Saitama, Japan
Birthplace
Saitama, Japan
Residence
$62,579
Prize money (season)
$1,376,070
Prize money (career)
Ranking trend
best #316Career record
64 matches36–28
Win–loss
59%
Hard · 33–23
0%
Clay · 0–4
67%
Grass · 2–1
2025
57 matches · 31–26 · 54.4%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Grass | 12 | 7 | — | 113 | 53 | 75% | 40% | — | — | 3–4 |
| Hardcourt Indoor | 7 | 6 | 1 | 65 | 9 | 76% | 56% | — | — | 1–0 |
| Hardcourt Outdoor | 38 | 18 | — | 295 | 124 | 76% | 33% | — | — | 8–4 |
2024
21 matches · 11–10 · 52.4%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Hardcourt Indoor | 4 | 2 | — | 39 | 15 | 77% | 27% | — | — | 1–1 |
| Hardcourt Outdoor | 17 | 9 | — | 113 | 75 | 74% | 44% | 60 | 64 | 1–4 |
2023
27 matches · 14–13 · 51.9%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Grass | 7 | 4 | — | 106 | 33 | 78% | 41% | 163 | 94 | 7–3 |
| Hardcourt Indoor | 1 | 0 | — | 13 | 1 | 62% | 33% | — | — | — |
| Hardcourt Outdoor | 14 | 8 | 1 | 144 | 46 | 74% | 27% | 136 | 146 | 7–3 |
| Red Clay | 5 | 2 | — | 34 | 25 | 70% | 43% | — | — | 0–1 |
M = matches · W = wins · DF = double faults · BP conv. = break points converted · UE = unforced errors · TB = tiebreaks won–lost.
04:20
Kobe, Japan
hard
Y. Watanuki
J. Cui
–
–
—
Matsuyama, Japan
hard
Y. Watanuki
T. Daniel
–
–
FT
Taipei, Chinese Taipei Men Singles
hard
Y. Watanuki
(Q)
J. Kumstat
7
6
7
5
2
0
FT
Taipei, Chinese Taipei Men Singles
hard
C. Wong
(1)
Y. Watanuki
(Q)
6
7
6
7
0
2
FT
Taipei, Chinese Taipei Men Singles
hard
Y. Watanuki
(Q)
A. Muller
(6)
6
4
6
7
6
1
2
1
FT
Taipei, Chinese Taipei Men Singles
hard
Y. Watanuki
(Q)
M. Imamura
(Q)
6
1
6
1
2
0
FT
Taipei, Chinese Taipei Men Singles
hard
L. Harris
(3)
Y. Watanuki
(Q)
2
6
4
6
0
2
FT
Taipei, Chinese Taipei Men Singles
hard
Y. Watanuki
(6)
M. W. K. Leong
(9)
6
2
6
2
2
0
FT
Taipei, Chinese Taipei Men Singles
hard
Y. Watanuki
D. Palan
7
6
6
0
2
0
FT
Jinan China
hard
S. Mochizuki
Y. Watanuki
(Q)
4
6
6
2
7
6
2
1
FT
Jinan China
hard
Y. Watanuki
(Q)
M. Čilić
(7)
7
5
6
4
2
0
FT
Jinan China
hard
A. Ilagan
Y. Watanuki
(Q)
2
6
2
6
0
2
FT
Jinan China
hard
K. Uesugi
(A)
Y. Watanuki
(12)
2
6
2
6
0
2
FT
Jinan China
hard
S. Pankin
Y. Watanuki
1
6
0
6
0
2
FT
Shanghai, China
hard
Y. Watanuki
M. Sharipov
7
6
5
7
2
6
1
2
FT
Zhangjiagang, China
hard
C. Tseng
(3)
Y. Watanuki
7
5
6
3
2
0
FT
Zhangjiagang, China
hard
Y. Watanuki
S. Pankin
6
3
7
5
2
0
FT
Vancouver, Canada Men Singles
hard
Y. Watanuki
(A)
H. Matsuoka
(LL)
4
6
2
6
0
2
FT
Winnipeg, Canada
hard
Y. Watanuki
T. Samuel
(2)
0
6
1
6
0
2
FT
Winnipeg, Canada
hard
Y. Watanuki
A. Ilagan
7
6
7
5
2
0