Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Korea F4 | 2017/06/20 03:40 | Chan-Yeong Oh v Tae-Woo Lee | 7-6,7-6 |
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| Challenger Busan | 2018/05/14 06:20 | Kaichi Uchida v Chan-Yeong Oh | 6-1,6-4 |
| ITF Hong Kong F6 | 2018/01/03 03:20 | Harri Heliovaara v Chan-Yeong Oh | 6-1,6-3 |
| ITF Hong Kong F6 | 2018/01/02 03:55 | Chan-Yeong Oh v Anthony Jackie Tang | 7-5,6-4 |
| ITF Hong Kong F5 | 2017/12/26 05:45 | Tung-Lin Wu v Chan-Yeong Oh | 6-2,7-6 |
| ITF Hong Kong F5 | 2017/12/24 02:00 | Chan-Yeong Oh v Yuto Sakai | 6-3,6-3 |
| ITF Hong Kong F5 | 2017/12/23 02:00 | Chan-Yeong Oh v Alec Adamson | 7-5,6-3 |
| ITF Hong Kong F4 | 2017/12/18 02:00 | Shao-Fan Liu v Chan-Yeong Oh | 7-6,6-2 |
| ITF Korea F1 | 2018/06/06 05:05 | Clement Larriere v Tae-Woo Lee | 4-6,4-6 |
| ITF Korea F1 | 2018/06/04 01:00 | Tae-Woo Lee v Jun Su Kim | 6-3,6-0 |
| ITF Korea F1 | 2018/06/03 01:00 | Tae-Woo Lee v Seong Woon Yu | 6-1,2-6,6-1 |
| Challenger Busan Qual | 2018/05/13 02:00 | Rubin Statham v Tae-Woo Lee | 7-6,6-3 |
| Challenger Busan Qual | 2018/05/12 01:00 | Dong Ju Kim v Tae-Woo Lee | 4-6,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 02:50 | Tae-Woo Lee v Makoto Ochi | 4-6,1-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Jung-Woong Na v Tae-Woo Lee | 6-1,6-3 |
| ITF Japan F4 | 2018/03/24 00:00 | Tae-Woo Lee v Tamaki Yamao | 1-6,4-6 |