Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger Zhuhai | 2018/03/08 06:35 | Wu, Di v Jaziri, Malek | 4-6,6-1,4-6 |
| Challenger Zhuhai | 2018/03/06 04:40 | Wu, Di v Xia, Zihao | 6-4,6-4 |
| Challenger Yokohama | 2018/03/01 03:55 | Soeda, Go v Wu, Di | 7-6,6-3 |
| Challenger Yokohama | 2018/02/27 04:55 | Wu, Di v Zhang, Ze | 6-4,7-6 |
| Kyoto, Japan | 2018/02/19 06:10 | John Millman v Wu, Di | 6-4,6-4 |
| Coupe Davis | 2018/02/02 02:00 | Wu, Di v Rubin Statham | 6-2,4-6,4-6 |
| Australian Open Qual | 2018/01/11 07:25 | Wu, Di v Brown, Dustin | 6-3,4-6,6-7 |
| Australian Open Qual | 2018/01/09 23:00 | Wu, Di v Kelly, Dayne | 6-1,7-6 |
| Challenger Zhuhai | 2018/03/06 06:55 | Tatsuma Ito v Stefano Napolitano | 3-6,3-6 |
| Challenger Yokohama | 2018/03/04 02:30 | Yasutaka Uchiyama v Tatsuma Ito | 2-6,6-3,6-4 |
| Challenger Yokohama | 2018/03/02 02:00 | Tatsuma Ito v Hiroki Moriya | 6-3,6-3 |
| Challenger Yokohama | 2018/02/28 03:55 | Tatsuma Ito v Jason Kubler | 3-6,6-3,7-6 |
| Challenger Yokohama | 2018/02/26 04:30 | Tatsuma Ito v Kaito Uesugi | 6-2,6-3 |
| Kyoto, Japan | 2018/02/21 08:10 | Blake Ellis v Tatsuma Ito | 4-6,6-3,6-4 |
| Kyoto, Japan | 2018/02/19 07:10 | Yuta Shimizu v Tatsuma Ito | 2-6,3-6 |
| Challenger Dallas | 2018/01/29 18:45 | Mackenzie McDonald v Tatsuma Ito | 7-5,6-3 |