Stadium: Show Court Round: 45
| ITF China F9 | 2016/05/31 02:00 | Chan-Yeong Oh v Yecong He | 3-6,6-2,5-7 |
| Challenger Jinan | 2018/08/07 02:00 | James Ward v Yecong He | 2-6,7-5,6-1 |
| Challenger Bastad Qual | 2018/07/07 11:05 | Lucas Renard v Yecong He | 4-6,6-3,6-4 |
| Challenger Recanati Qual | 2018/06/30 08:00 | Jurij Rodionov v Yecong He | 7-6,6-3 |
| ITF China F7 | 2018/06/02 03:25 | Di Wu v Yecong He | 6-0,6-1 |
| ITF China F7 | 2018/06/01 05:10 | Yecong He v Kento Takeuchi | 6-2,6-2 |
| ITF China F7 | 2018/05/31 04:30 | Hiroyasu Ehara v Yecong He | 6-4,4-6,1-6 |
| ITF China F7 | 2018/05/29 02:00 | Yecong He v Huixin Wang | 7-5,6-4 |
| ITF China F6 | 2018/05/17 02:00 | Rigele Te v Yecong He | 6-4,6-4 |
| ITF Korea F3 | 2018/06/18 01:00 | Cheng-Yu Yu v Chan-Yeong Oh | 6-4,6-2 |
| ITF Korea F2 | 2018/06/15 03:20 | Chan-Yeong Oh v Yunseong Chung | 6-7,6-3,4-6 |
| ITF Korea F2 | 2018/06/14 01:00 | Chan-Yeong Oh v Mitchell Thomas McDaniels | 6-2,3-6,6-3 |
| ITF Korea F2 | 2018/06/13 06:45 | Hong Chung v Chan-Yeong Oh | 2-6,2-6 |
| ITF Korea F2 | 2018/06/11 03:30 | Chan-Yeong Oh v Sang Yeop Kim | 6-3,6-3 |
| ITF Korea F1 | 2018/06/07 01:00 | Chan-Yeong Oh v Tae-Woo Lee | 4-6,2-6 |
| 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 |