Stadium: Court 1 Round: 27 Ground: Clay
| ITF M25 Most | 2019/05/30 08:00 | Colin Sinclair v Lucas Gerch | 6-2,5-7,6-3 |
| 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 Prague | 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 Zhangjiagang | 2019/03/18 02:00 | Colin Sinclair v Fajing Sun | 4-6,2-6 |
| Challenger Shenzhen | 2019/03/12 04:20 | Enrique Lopez-Perez v Colin Sinclair | 6-2,6-4 |
| ITF M25 Most | 2019/05/30 10:25 | Ondrej Krstev v Jacob Grills | 2-6,6-4,6-3 |
| ITF M25 Most | 2019/05/28 13:30 | Ondrej Krstev v Daniel Dutra Da Silva | 6-4,6-3 |
| ITF M15 Antalya | 2019/05/16 07:15 | Ondrej Krstev v Marsel Ilhan | 6-4,4-6,4-6 |
| ITF M15 Antalya | 2019/05/15 07:15 | Ondrej Krstev v Mate Voros | 4-6,6-4,6-4 |
| ITF M15 Tbilisi | 2019/05/02 07:25 | Altug Celikbilek v Ondrej Krstev | 7-6,6-3 |
| ITF M15 Tbilisi | 2019/05/01 06:00 | Ondrej Krstev v Sarp Agabigun | 4-6,6-2,6-4 |
| ITF M15 Opatija | 2019/03/26 13:20 | Benjamin Pietri v Ondrej Krstev | 7-6,2-6,6-0 |
| ITF M15 Rovinj | 2019/03/19 10:30 | Ondrej Krstev v Matej Sabanov | 3-6,5-7 |