Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Hengyang | 2019/06/22 03:00 | Tsung-Hao Huang v Fajing Sun | 2-6,3-6 |
| ITF M25 Hengyang | 2019/06/21 02:00 | Tsung-Hao Huang v Chien Hsun Lo | 6-3,6-2 |
| ITF M25 Hengyang | 2019/06/19 05:55 | Tsung-Hao Huang v Bingyu Yu | 6-2,6-2 |
| ITF M25 Shenzhen | 2019/06/13 03:30 | Ye Cong Mo v Tsung-Hao Huang | 6-3,6-4 |
| ITF M25 Shenzhen | 2019/06/12 05:00 | Tsung-Hao Huang v Weiqiang Zheng | 6-2,4-6,7-6 |
| ITF M25 Hong Kong | 2019/06/06 03:30 | Yan Bai v Tsung-Hao Huang | 6-4,6-3 |
| ITF M25 Hong Kong | 2019/06/05 02:00 | Tsung-Hao Huang v Dusty H. Boyer | 4-6,6-1,6-1 |
| ITF M25 Hong Kong | 2019/06/04 03:30 | Tsung-Hao Huang v Harry Meehan | 6-4,6-7,10-7 |
| ITF M15 Troisdorf | 2019/05/06 14:00 | Mick Veldheer v Kai Lemstra | 2-6,6-1,10-7 |
| ITF M15 Sharm El Sheikh | 2019/03/21 08:00 | Enrico Dalla Valle v Kai Lemstra | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2019/03/20 09:40 | Stefan Palosi v Kai Lemstra | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 12:30 | Fabrizio Andaloro v Kai Lemstra | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 09:30 | Kai Lemstra v Dominik Nazaruk | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Kai Lemstra v Kristjan Tamm | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/04 08:00 | George Tsivadze v Kai Lemstra | 2-6,6-4,10-3 |
| ITF M15 Kaarst | 2019/02/06 11:00 | Kai Lemstra v Mats Rosenkranz | 6-7,6-2,4-6 |