| ITF M15 Tanagura |
10/22 00:30 |
- |
Hiromasa Koyama v
Toshiki Karigyo
|
6-3,5-7,1-6
|
|
| ITF M25 Takasaki |
09/15 02:30 |
- |
Yuto Oki
v
Hiromasa Koyama |
3-6,6-4,1-0
|
|
| ITF M25 Sapporo |
09/10 01:00 |
- |
Yusuke Kusuhara
v
Hiromasa Koyama |
2-6,7-5,6-3
|
|
| ITF M25 Sapporo |
09/02 03:00 |
- |
Hiromasa Koyama v
Shinji Hazawa
|
6-3,1-6,4-5
|
|
| ITF M15 Singapore |
08/11 05:41 |
- |
Hiromasa Koyama v
Dong Ju Kim
|
4-6,3-6
|
|
| ITF M15 Singapore Qual |
08/10 08:35 |
- |
Hiromasa Koyama v
Jaden Dewandaka Tan
|
6-0,6-2
|
|
| ITF M15 Singapore |
08/03 05:02 |
- |
Hiromasa Koyama v
Jaden Dewandaka Tan
|
3-6,2-6
|
|
| ITF M15 Tokyo |
07/10 01:00 |
- |
Jake Delaney
v
Hiromasa Koyama |
7-6,6-4
|
|
| ITF M15 Tokyo |
07/08 06:22 |
- |
Kyle Seelig
v
Hiromasa Koyama |
1-6,4-6
|
|
| ITF M15 Tokyo |
07/03 02:30 |
- |
Hiromasa Koyama v
Hikaru Shiraishi
|
2-6,0-6
|
|
| ITF M15 Tokyo |
07/02 01:00 |
- |
Hiromasa Koyama v
Tai Leonard Sach
|
6-7,7-6,5-1
|
|
| ITF M15 Kashiwa |
04/01 05:41 |
- |
Daisuke Sumizawa
v
Hiromasa Koyama |
6-2,4-5
|
|
| ITF M15 Tsukuba |
03/26 02:30 |
- |
Hiromasa Koyama v
Yusuke Takahashi
|
3-6,0-6
|
|
| ITF M15 Nishi-Tokyo |
03/18 04:00 |
- |
Hiromasa Koyama v
Kuwait SC
|
2-6,3-6
|
|
| ITF M15 Hinode |
03/12 01:00 |
- |
Yuta Kawahashi
v
Hiromasa Koyama |
6-2,6-3
|
|
| ITF M25 Sapporo |
09/08 01:00 |
54 |
Kohei Hayashi
v
Hiromasa Koyama |
6-2,6-4
|
|
| ITF M25 Sapporo |
09/05 03:10 |
26 |
Hiromasa Koyama v
Keisuke Saitoh
|
0-6,6-4,3-6
|
|
| ITF M25 Sapporo |
09/03 03:00 |
25 |
Hyeon Chung
v
Hiromasa Koyama |
5-7,1-6
|
|
| ITF M15 Tokyo |
07/10 06:15 |
25 |
Kenta Miyoshi
v
Hiromasa Koyama |
6-1,6-2
|
|
| ITF M15 Tokyo |
07/03 03:30 |
25 |
Hiromasa Koyama v
Ryotaro Matsumura
|
4-6,5-7
|
|
| ITF M15 Hinode |
03/11 01:00 |
62 |
Hiromasa Koyama v
Hong Kit Wong
|
7-6,3-6,4-10
|
|
| UTR Pro Noda |
08/26 00:00 |
- |
Hiromasa Koyama v
Paul Howe
|
6-7,6-7
|
|
| UTR Pro Noda |
08/25 00:00 |
- |
Hiromasa Koyama v
Hiiro Sakamoto
|
1-6,1-6
|
|
| UTR Pro Noda |
08/23 06:30 |
- |
Hiromasa Koyama v
Yuta Tomida
|
1-6,3-6
|
|
| UTR Pro Osaka |
07/30 04:30 |
- |
Koki Ohnuma
v
Hiromasa Koyama |
6-3,5-2
|
|
| UTR Pro Osaka |
07/28 06:54 |
- |
Hiromasa Koyama v
Ryoma Matsushita
|
1-6,2-6
|
|
| UTR Pro Osaka |
07/27 06:00 |
- |
Hiromasa Koyama v
Shu Matsuoka
|
1-6,4-6
|
|
| UTR Pro Osaka |
07/25 00:30 |
- |
Brody Nejedly-Krall
v
Hiromasa Koyama |
6-2,6-3
|
|
| UTR Pro Miki |
02/12 00:30 |
- |
Hiromasa Koyama v
Shion Itsusaki
|
4-6,6-4,5-7
|
|
| UTR Pro Miki |
02/10 03:30 |
- |
Yuji Arimura
v
Hiromasa Koyama |
3-6,3-6
|
|