02 Jun 2003
Born
175 cm
Height
70 kg
Weight
right-handed
Plays
Kawasaki, Japan
Birthplace
$555,568
Prize money (season)
$1,758,163
Prize money (career)
Ranking trend
best #112Career record
70 matches32–38
Win–loss
42%
Hard · 20–28
0%
Clay · 0–3
71%
Grass · 12–5
2025
64 matches · 39–25 · 60.9%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Grass | 14 | 11 | — | 60 | 34 | 72% | 52% | 99 | 97 | 2–3 |
| Hardcourt Indoor | 5 | 2 | — | 25 | 21 | 72% | 46% | — | — | 0–2 |
| Hardcourt Outdoor | 38 | 24 | 1 | 122 | 126 | 67% | 40% | 58 | 79 | 2–3 |
| Red Clay | 7 | 2 | — | 5 | 33 | 58% | 42% | — | — | 1–0 |
2024
61 matches · 28–33 · 45.9%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Grass | 7 | 2 | — | 13 | 17 | 63% | 37% | — | — | 1–3 |
| Hardcourt Indoor | 4 | 1 | — | 7 | 12 | 64% | 26% | — | — | — |
| Hardcourt Outdoor | 38 | 18 | — | 108 | 152 | 66% | 42% | 41 | 55 | 6–8 |
| Red Clay | 12 | 7 | — | 19 | 55 | 65% | 47% | 45 | 50 | 1–0 |
2023
13 matches · 7–6 · 53.8%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Grass | 5 | 3 | — | 11 | 8 | 66% | 50% | 25 | 33 | 1–1 |
| Hardcourt Outdoor | 7 | 4 | — | 22 | 24 | 72% | 33% | 4 | 5 | 4–0 |
| Red Clay | 1 | 0 | 1 | 1 | 5 | 59% | 33% | — | — | — |
M = matches · W = wins · DF = double faults · BP conv. = break points converted · UE = unforced errors · TB = tiebreaks won–lost.
FT
Chengdu
hard
M. Damm Jr
S. Mochizuki
(Q)
6
1
6
4
2
0
FT
Chengdu
hard
S. Mochizuki
(1)
P. Kotov
(8)
7
5
6
3
2
0
FT
Chengdu
hard
S. Mochizuki
L. Xiao
7
5
4
6
7
5
2
1
FT
Guangzhou, China
hard
S. Mochizuki
(1)
P. Kotov
6
7
1
6
0
2
FT
US Open, Men
hard
J. Menšik
(17)
S. Mochizuki
(LL)
6
1
6
4
7
5
3
0
FT
US Open, Men
hard
S. Mochizuki
(6)
F. Passaro
4
6
2
6
0
2
FT
US Open, Men
hard
S. Mochizuki
(6)
B. Shick
6
4
6
1
2
0
FT
US Open, Men
hard
S. Mochizuki
(6)
D. Milavsky
(WC)
7
6
6
4
2
0
FT
Quebec City, Canada
hard
S. Kwon
(Q)
S. Mochizuki
(A)
7
5
4
6
6
3
2
1
FT
Cincinnati
hard
J. J. Wolf
(WC)
S. Mochizuki
6
2
2
6
6
3
2
1
FT
Montreal
hard
S. Mochizuki
(Q)
F. Marozsán
4
6
3
6
0
2
FT
Montreal
hard
S. Mochizuki
(14)
D. Sweeny
(19)
1
6
7
6
6
3
2
1
FT
Vancouver, Canada Men Singles
hard
S. Mochizuki
(3)
H. Matsuoka
(LL)
3
6
2
6
0
2
FT
Vancouver, Canada Men Singles
hard
S. Mochizuki
(3)
C. Broom
2
6
6
2
6
4
2
1
FT
Winnipeg, Canada
hard
S. Mochizuki
(1)
L. Draxl
0
6
3
6
0
2
FT
Winnipeg, Canada
hard
S. Mochizuki
(1)
J. Monday
6
4
7
6
2
0
FT
Winnipeg, Canada
hard
S. Mochizuki
(1)
D. Chan
(Q)
6
2
2
6
6
4
2
1
FT
Winnipeg, Canada
hard
S. Mochizuki
(1)
P. Sekulić
6
3
4
6
6
1
2
1
FT
Wimbledon, Men
grass
J. Sinner
(1)
S. Mochizuki
(Q)
6
3
7
6
6
3
3
0
FT
Wimbledon, Men
grass
R. Jódar
(23)
S. Mochizuki
(Q)
6
1
6
7
4
6
4
6
1
3