Stadion: Court 6 Round: 54 Ground: Clay
| ITF - M15 - Balatonalmadi | 2019/06/17 10:30 | Joao Lucas Reis da Silva v Mate Voros | 6-0,6-1 |
| ITF - M15 - Kaltenkirchen | 2019/06/11 16:10 | Markus Eriksson v Joao Lucas Reis da Silva | 7-6,6-2 |
| ITF - M25 - Karlsruhe | 2019/06/05 13:55 | Daniel Dutra Da Silva v Joao Lucas Reis da Silva | 6-4,6-2 |
| ITF - M25 - Karlsruhe | 2019/06/04 09:00 | Oscar Jose Gutierrez v Joao Lucas Reis da Silva | 1-6,2-6 |
| ITF - M25 - Karlsruhe | 2019/06/03 09:00 | Luis Erlenbusch v Joao Lucas Reis da Silva | 2-6,6-1,8-10 |
| ITF - M25 - Gyula | 2019/05/30 09:50 | Christopher Heyman v Joao Lucas Reis da Silva | 6-3,6-4 |
| ITF - M25 - Gyula | 2019/05/29 09:25 | Joao Lucas Reis da Silva v Alessandro Coppini | 6-4,6-4 |
| ITF - M15 - Bukarest | 2019/05/23 07:00 | Alexander Igoshin v Joao Lucas Reis da Silva | 7-5,7-5 |
| ITF - M15 - Balatonalmadi | 2019/06/17 09:00 | Matthew Dellavedova v Marek Semjan | 5-7,1-6 |
| ITF - M25 - Gyula | 2019/05/30 08:00 | Marek Semjan v Fabrizio Ornago | 2-6,3-6 |
| ITF - M25 - Gyula | 2019/05/29 09:00 | Martins Rocens v Marek Semjan | 6-7,1-6 |
| ITF - M15 - Brcko | 2019/05/22 07:00 | Marek Semjan v Gonzalo Villanueva | 3-6,3-6 |
| ITF - M15 - Piestany | 2019/05/08 11:25 | Marek Semjan v Artem Dubrivnyy | 3-6,5-7 |
| ITF - M15 - Tabarka | 2019/04/25 09:00 | Marek Semjan v Franco Emanuel Egea | 4-6,3-6 |
| ITF - M15 - Tabarka | 2019/04/23 12:10 | Marek Semjan v Aziz Ouakaa | 6-3,6-1 |
| ITF - M15 - Tabarka | 2019/04/15 12:00 | Marek Semjan v Boris Fassbender | 4-6,2-6 |