Ground: Hardcourt outdoor
| ITF China F6 Qual | 2015/05/24 02:00 | Ken Onishi v Aoran Wang | 6-4,6-4 |
| ITF Thailand F9 | 2015/04/28 05:15 | Christopher O'Connell v Ken Onishi | 7-6,6-2 |
| ITF Thailand F9 | 2015/04/26 06:00 | Chayanon Kaewsuto v Ken Onishi | 6-4,1-6,2-6 |
| ITF Japan F2 | 2015/03/15 01:00 | Ryota Tanuma v Ken Onishi | 2-6,6-4,3-6 |
| ITF Japan F1 | 2015/03/13 01:00 | Ken Onishi v Yuya Kibi | 6-2,2-6,4-6 |
| ITF Japan F1 | 2015/03/12 01:00 | Arata Onozawa v Ken Onishi | 3-6,6-1,5-7 |
| ITF Japan F1 | 2015/03/11 01:00 | Takumi Tsunematsu v Ken Onishi | 3-6,3-6 |
| ITF Japan F1 | 2015/03/09 00:40 | Yohei Ono v Ken Onishi | 2-6,1-6 |
| ITF China F6 | 2015/05/21 02:00 | Michael Geerts v Young Seok Kim | 6-4,6-1 |
| ITF China F6 | 2015/05/19 04:05 | Aoxiong Wang v Young Seok Kim | 1-6,2-6 |
| ITF China F4 | 2015/04/24 03:15 | Grega Zemlja v Young Seok Kim | 6-4,6-1 |
| ITF China F4 | 2015/04/22 02:00 | Ruan Roelofse v Young Seok Kim | 5-7,6-7 |
| ITF China F4 | 2015/04/21 02:00 | Young Seok Kim v Tsung-Hua Yang | 3-6,6-2,7-6 |
| ITF China F2 Qual | 2015/04/14 02:00 | Boy Westerhof v Young Seok Kim | 6-2,6-4 |
| ITF China F2 | 2015/04/12 02:00 | Tsung-Hua Yang v Young Seok Kim | 6-0,7-5 |
| ITF China F2 | 2015/04/11 04:10 | Cheong-Eui Kim v Young Seok Kim | 6-7,6-7 |