Stadium: Center Round: 25 Ground: Hardcourt outdoor
| Challenger Kobe | 2018/11/12 03:35 | Wu, Di v Tatsuma Ito | 4-6,3-6 |
| Liuzhou, Chine | 2018/10/24 03:00 | Wu, Di v Tatsuma Ito | 6-3,6-4 |
| Challenger Seoul | 2018/05/04 05:00 | Tatsuma Ito v Wu, Di | 7-5,3-6,6-2 |
| Challenger - Shenzhen | 2018/03/13 07:20 | Wu, Di v Tatsuma Ito | 6-7,7-5,5-7 |