Stadium: Center Round: 27 Ground: Hardcourt outdoor
| ITF Belgium F4 | 2018/07/18 12:55 | Jeremy Sonkin v Colin Sinclair | 7-6,7-5 |
| ITF Belgium F4 | 2018/07/17 13:10 | Colin Sinclair v Zizou Bergs | 0-6,7-5,6-3 |
| ITF Netherlands F3 | 2018/07/07 09:30 | Colin Sinclair v Ilco Van Buuren | 6-2,6-2 |
| ITF Netherlands F3 | 2018/07/07 08:00 | Colin Sinclair v Alban Meuffels | 2-6,4-6 |
| Davis Cup | 2018/04/04 11:50 | Colin Sinclair v Christian Didier Chin | 3-6,2-6 |
| ITF Thailand F12 | 2017/12/12 10:00 | Colin Sinclair v Daniel Altmaier | 3-6,5-7 |
| ITF Thailand F12 Qual | 2017/12/11 04:15 | Sung Jun Park v Colin Sinclair | 3-6,4-6 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Colin Sinclair v Min Hyeok Cho | 4-6,6-4,6-4 |
| Challenger Bastad | 2018/07/10 09:00 | Corentin Moutet v Ze Zhang | 6-2,6-4 |
| Challenger Recanati | 2018/07/04 13:35 | Ze Zhang v Salvatore Caruso | 4-6,6-3,5-7 |
| Challenger Busan | 2018/05/18 03:15 | Yosuke Watanuki v Ze Zhang | 4-6,6-4,6-1 |
| Challenger Busan | 2018/05/17 02:00 | Ze Zhang v Yuki Bhambri | 6-4,6-3 |
| Challenger Busan | 2018/05/15 07:10 | Ze Zhang v Dayne Kelly | 6-1,6-4 |
| Challenger Gimcheon | 2018/05/08 02:00 | Mackenzie McDonald v Ze Zhang | 7-6,7-6 |
| Challenger Seoul | 2018/05/01 06:50 | Jason Kubler v Ze Zhang | 6-1,6-1 |
| Challenger Anning | 2018/04/24 04:25 | Calvin Hemery v Ze Zhang | 7-6,6-3 |