Estadio: Court 4 Round: 26 Ground: Clay
| ITF M25 Most | 2019/05/29 10:05 | Colin Sinclair v Jiri Lehecka | 6-3,6-2 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 12:15 | Lukas Klein v Colin Sinclair | 6-3,6-3 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 08:00 | Colin Sinclair v Marvin Netuschil | 6-3,7-6 |
| ITF M15 Praga | 2019/05/14 08:00 | Tadeas Paroulek v Colin Sinclair | 6-3,6-2 |
| ITF M15 Troisdorf | 2019/05/07 11:25 | Mick Veldheer v Colin Sinclair | 6-7,6-3,6-2 |
| Challenger de Zhangjiagang | 2019/03/18 02:00 | Colin Sinclair v Fajing Sun | 4-6,2-6 |
| Challenger de Shenzhen | 2019/03/12 04:20 | Enrique Lopez-Perez v Colin Sinclair | 6-2,6-4 |
| Challenger de Shenzhen | 2019/03/11 02:00 | Colin Sinclair v Xinmu Zhou | 6-2,6-4 |
| ITF M25 Most | 2019/05/28 14:20 | Jan Silhavy v Lucas Gerch | 1-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 14:00 | Evan Furness v Lucas Gerch | 7-6,6-4 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 10:15 | Fabien Reboul v Lucas Gerch | 3-6,1-6 |
| ITF M15 Troisdorf | 2019/05/08 10:30 | Lucas Gerch v Oscar Jose Gutierrez | 3-6,2-6 |
| ITF M15 Troisdorf | 2019/05/07 11:00 | Lucas Gerch v Joel Vincent Link | 6-2,6-2 |
| ITF M25 Shymkent | 2019/04/19 09:30 | Lucas Gerch v Alexander Vasilenko | 3-6,1-6 |
| ITF M25 Shymkent | 2019/04/11 05:00 | Lucas Gerch v Andrey Golubev | 6-3,3-6,4-6 |
| ITF M25 Shymkent | 2019/04/10 12:40 | Lucas Gerch v Matvey Minin | 3-6,6-4,6-4 |