Stadium: Court 1 Round: 46
| ITF Hong Kong F3 | 2016/06/22 22:00 | Jumpei Yamasaki v He, Yecong | 6-3,2-6,6-3 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | He, Yecong v Chan-Yeong Oh | 7-6,6-0 |
| Jinan, China | 2018/08/07 02:00 | Ward, James v He, Yecong | 2-6,7-5,6-1 |
| Challenger Bastad Qual | 2018/07/07 11:05 | Lucas Renard v He, Yecong | 4-6,6-3,6-4 |
| Challenger Recanati Qual | 2018/06/30 08:00 | Jurij Rodionov v He, Yecong | 7-6,6-3 |
| ITF China F7 | 2018/06/02 03:25 | Wu, Di v He, Yecong | 6-0,6-1 |
| ITF China F7 | 2018/06/01 05:10 | He, Yecong v Takeuchi, Kento (1987) | 6-2,6-2 |
| ITF China F7 | 2018/05/31 04:30 | Ehara, Hiroyasu v He, Yecong | 6-4,4-6,1-6 |
| ITF China F7 | 2018/05/29 02:00 | He, Yecong v Wang, Huixin | 7-5,6-4 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Fajing Sun v Jumpei Yamasaki | 1-6,6-2,2-6 |
| Challenger Jinan Qual | 2018/08/04 02:00 | Sabanov, Matej v Jumpei Yamasaki | 6-4,6-4 |
| Challenger Chengdu Qual | 2018/07/28 02:00 | Niesten, Miliaan v Jumpei Yamasaki | 6-2,6-2 |
| Challenger Granby Qual | 2018/07/21 16:25 | Taha Baadi v Jumpei Yamasaki | 7-6,6-4 |
| Challenger Gatineau Qual | 2018/07/14 21:55 | Grills, Jacob v Jumpei Yamasaki | 6-3,6-1 |
| Challenger Winnipeg Qual | 2018/07/08 18:05 | Verbeek, Sem v Jumpei Yamasaki | 7-6,7-6 |
| ITF Hong Kong F1 | 2018/06/29 02:00 | Jumpei Yamasaki v Yuki Mochizuki | 4-6,4-6 |
| ITF Hong Kong F1 | 2018/06/28 02:00 | Wang, Chukang v Jumpei Yamasaki | 0-6,2-6 |