| ITF India F8 | 2017/09/15 04:30 | Seong-Gook Oh v Colin Van Beem | 6-7,6-1,4-6 |
| ITF India F8 | 2017/09/14 05:00 | Seong-Gook Oh v Clement Larriere | 6-0,1-6,6-4 |
| ITF India F8 | 2017/09/13 07:00 | Jui-Chen Hung v Seong-Gook Oh | 2-6,2-6 |
| ITF India F8 | 2017/09/11 08:25 | Seong-Gook Oh v S D Prajwal Dev | 2-6,6-4,6-1 |
| ITF India F7 | 2017/09/06 04:00 | Jayesh Pungliya v Seong-Gook Oh | 7-5,7-6 |
| ITF India F7 | 2017/09/05 05:55 | Seong-Gook Oh v Yurii Dzhavakian | 6-0,6-1 |
| ITF Korea F5 | 2017/07/01 05:50 | Seong-Gook Oh v Tae-Woo Lee | 2-6,7-5,3-6 |
| ITF Korea F5 | 2017/06/30 02:00 | Hong Chung v Seong-Gook Oh | 6-1,3-6,0-6 |
| Challenger Kobe | 2017/11/06 03:35 | Yuya Kibi v John Millman | 3-6,4-6 |
| Challenger Ningbo Qual | 2017/10/16 02:00 | Yuya Kibi v Marinko Matosevic | 2-6,6-7 |
| Challenger Ningbo Qual | 2017/10/15 05:15 | Zhizhen Zhang v Yuya Kibi | 3-6,1-6 |
| Challenger Ningbo Qual | 2017/10/14 02:00 | Renta Tokuda v Yuya Kibi | 1-6,4-6 |
| Challenger Kaohsiung | 2017/10/02 08:05 | Yuya Kibi v Evgeny Donskoy | 2-6,4-6 |
| Challenger Kaohsiung Qual | 2017/10/01 03:00 | Shao-Fan Liu v Yuya Kibi | 3-6,5-7 |
| Challenger Kaohsiung Qual | 2017/09/30 04:30 | Chun Hsin Tseng v Yuya Kibi | 6-4,1-6,4-6 |
| Challenger Gwangju | 2017/09/19 04:45 | Duckhee Lee v Yuya Kibi | 7-6,6-2 |