Seong-Gook Oh 6-7,0-6 Seong Chan Hong 2018-06-18 03:30
Stadium: Court 4 Round: 25
Home History
| ITF Korea F2 | 2018/06/13 03:05 | Seong-Gook Oh v Chukang Wang | 6-1,5-7,7-5 |
| ITF Korea F1 | 2018/06/05 01:00 | Seong-Gook Oh v Jae-Won Choi | 1-6,5-7 |
| Challenger Busan Qual | 2018/05/12 02:15 | Jeamoon Lee v Seong-Gook Oh | 7-6,6-3 |
| Challenger Seoul Qual | 2018/04/28 02:50 | Ji Hoon Son v Seong-Gook Oh | 6-3,6-3 |
| ITF China F1 | 2018/01/11 02:30 | Seong-Gook Oh v Shinji Hazawa | 3-6,4-6 |
| ITF China F1 | 2018/01/08 03:05 | Seong-Gook Oh v Yuanfeng Li | 7-6,6-2 |
| Challenger Toyota Qual | 2017/11/11 00:30 | Seong-Gook Oh v Yuya Kibi | 3-6,1-6 |
| ITF India F8 | 2017/09/15 04:30 | Seong-Gook Oh v Colin Van Beem | 6-7,6-1,4-6 |
Away History
| ITF Korea F2 | 2018/06/15 01:00 | Seong Chan Hong v Ji Sung Nam | 5-7,3-6 |
| ITF Korea F1 | 2018/06/06 01:00 | Young-Hoon Jeong v Seong Chan Hong | 1-6,6-3,6-2 |
| Challenger Busan | 2018/05/15 06:30 | Seong Chan Hong v John-Patrick Smith | 2-6,4-6 |
| Challenger Gimcheon Qual | 2018/05/06 06:40 | Seong Chan Hong v Tung-Lin Wu | 4-6,7-6,2-6 |
| Challenger Gimcheon Qual | 2018/05/05 04:20 | Seong Chan Hong v Thomas Fancutt | 2-6,7-5,6-4 |
| Challenger Seoul | 2018/05/03 01:30 | Tatsuma Ito v Seong Chan Hong | 7-5,6-1 |
| Challenger Seoul | 2018/04/30 06:40 | Yasutaka Uchiyama v Seong Chan Hong | 6-2,4-6,5-7 |
| ITF Japan F4 | 2018/03/29 01:00 | Kuan-Yi Lee v Seong Chan Hong | 6-1,3-6,6-4 |