Stadium: Court 1 Round: 46
| ITF Hong Kong F3 | 2016/06/22 22:00 | Jumpei Yamasaki v Yecong He | 6-3,2-6,6-3 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Yecong He v Chan-Yeong Oh | 7-6,6-0 |
| 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 |
| 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 | Matej Sabanov v Jumpei Yamasaki | 6-4,6-4 |
| Challenger Chengdu Qual | 2018/07/28 02:00 | Miliaan Niesten 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 | Jacob Grills v Jumpei Yamasaki | 6-3,6-1 |
| Challenger Winnipeg Qual | 2018/07/08 18:05 | Sem Verbeek 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 | Chukang Wang v Jumpei Yamasaki | 0-6,2-6 |