Hiromasa Koyama
17 year old
13 Dec 2007
2025
- 2024
x
Select Year
2025
2024
0 - 4win/loss
Hard
0-4
0%
M15 Kashiwa
Hard
-
Daisuke SumizawaD.SumizawaJPN Loss
- 6-2 4-6 6-1
- 1st
-
01 Apr 25
L
M15 Tsukuba
Hard
-
Yusuke TakahashiY.TakahashiJPN Loss
- 6-3 6-0
- 1st
-
26 Mar 25
L
M15 Nishi-Tokyo
Hard
-
Tai SachT.SachAUS Loss
- 6-2 6-3
- 1st
-
18 Mar 25
L
M15 Hinode
Hard
-
Yuta KawahashiY.KawahashiJPN Loss
- 6-2 6-3
- 1st
-
12 Mar 25
L
|
| Year | Sum. | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 0-4 | 0-4 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2024 | 2-5 | 2-3 | 0-0 | 0-2 | 0-0 | 0-0 |
| Total | 2-9 | 2-7 | 0-0 | 0-2 | 0-0 | 0-0 |