Stadium: Court 4 Round: 25 Ground: Clay
| Challenger Prague | 2019/07/22 09:25 | Wang, Tak Khunn v Jiri Lehecka | 4-6,6-4,6-3 |
| Challenger Amersfoort | 2019/07/15 09:30 | Wang, Tak Khunn v Pavlasek, Adam | 3-6,2-6 |
| Prostejov, Czech Republic | 2019/06/04 10:20 | Andujar, Pablo v Wang, Tak Khunn | 6-0,6-1 |
| Prostejov, Czech Republic | 2019/06/02 14:50 | Wang, Tak Khunn v Daniel Siniakov | 6-4,6-1 |
| Jerusalem, Israel | 2019/05/23 07:00 | Wang, Tak Khunn v Myneni, Saketh | 4-6,4-6 |
| Jerusalem, Israel | 2019/05/22 07:00 | Wang, Tak Khunn v Zhizhen Zhang | 6-4,7-6 |
| Taipei, Chinese Taipei | 2019/04/10 04:40 | Maxime Janvier v Wang, Tak Khunn | 6-4,7-5 |
| Taipei, Chinese Taipei | 2019/04/08 11:50 | Illya Marchenko v Wang, Tak Khunn | 6-4,3-6,4-6 |
| Nur Sultan, Kazakhstan | 2019/07/16 12:00 | Sebastian Korda v Lorenzo Giustino | 7-5,6-3 |
| Challenger Recanati | 2019/07/03 17:30 | Lorenzo Giustino v Bega, Alessandro | 6-7,2-6 |
| Wimbledon, London, Great Britain | 2019/06/24 14:40 | Daniel Elahi Galan v Lorenzo Giustino | 7-6,6-3 |
| Challenger Blois | 2019/06/22 12:00 | Sousa, Pedro v Lorenzo Giustino | 6-4,6-2 |
| Challenger Blois | 2019/06/21 14:30 | Lorenzo Giustino v Daniel Elahi Galan | 6-3,6-1 |
| Challenger Blois | 2019/06/20 17:30 | Lorenzo Giustino v Steven Diez | 7-6,3-6,7-6 |
| Challenger Blois | 2019/06/19 11:05 | Lorenzo Giustino v Alexandre Muller | 3-6,6-4,6-4 |
| Shymkent II, Kazakhstan | 2019/06/14 06:30 | Federico Coria v Lorenzo Giustino | 6-7,6-3,6-1 |