| ITF M15 Almada | 07/08 12:30 | 26 | Joao Lucas Reis da Silva v Daniel Batista | 6-2,6-3 | |
| ITF M15 Almada | 07/06 10:30 | 25 | Joao Lucas Reis da Silva v Kuzey Cekirge | 6-1,6-3 | |
| ITF M25 The Hague | 07/01 12:10 | 26 | [341] Jelle Sels v Joao Lucas Reis da Silva [445] | 6-3,6-3 | |
| ITF M25 The Hague | 06/30 10:00 | 25 | Niels Visker v Joao Lucas Reis da Silva | 6-4,4-6,4-6 | |
| ITF M25 Alkmaar | 06/22 17:00 | 25 | [437] Reis Da Silva, Joao Lucas v Jelle Sels [342] | 5-7,1-6 | |
| ITF - M15 Antalya | 06/16 14:05 | 25 | Joao Lucas Reis da Silva v Fermin Tenti | 2-6,5-7 | |
| ITF - M15 Antalya | 06/10 09:10 | 26 | Joao Lucas Reis da Silva v Francisco Comesana | 4-6,6-7 | |
| ITF - M15 Antalya | 06/08 09:15 | 25 | [387] Yu Hsiou Hsu v Joao Lucas Reis da Silva [481] | 5-7,6-7 | |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 06/05 08:30 | 28 | [481] Reis Da Silva, Joao Lucas v Hernan Casanova [389] | 7-6,3-6,1-6 | |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 06/04 09:00 | 27 | Reis Da Silva, Joao Lucas v Luka Petrovic | 6-3,6-3 | |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 06/03 12:05 | 26 | Reis Da Silva, Joao Lucas v Novansky, Michal | 6-3,6-0 | |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 06/02 12:20 | 25 | Reis Da Silva, Joao Lucas v Malesevic, Nemanja | 6-3,6-4 | |
| ITF - M25 Kiseljak | 05/26 10:25 | 25 | Jelle Sels v Joao Lucas Reis da Silva | 6-3,6-2 | |
| ITF - M15 Brcko | 05/22 07:30 | 27 | Malla, Bastian v Joao Lucas Reis da Silva | 6-1,7-6 | |
| ITF - M15 Brcko | 05/21 13:20 | 26 | Neuchrist, Maximilian v Joao Lucas Reis da Silva | 4-6,4-6 | |
| ITF - M15 Brcko | 05/21 06:55 | 25 | Milanovic, Dusan v Joao Lucas Reis da Silva | 4-6,4-6 | |
| ITF - M15 Prijedor | 05/14 07:00 | 26 | Joao Lucas Reis da Silva v Aldin Setkic | 2-6,2-6 | |
| ITF - M15 Prijedor | 05/12 10:30 | 25 | Joao Lucas Reis da Silva v Heger, Tim | 6-3,7-5 | |
| ITF M15 Cordoba | 04/06 15:45 | 25 | Reis Da Silva, Joao Lucas v Luciano Darderi | 3-6,5-7 | |
| ITF - M15 Villa Maria | 04/01 13:00 | 26 | Conner Huertas Del Pino v Joao Lucas Reis da Silva | 6-3,7-5 | |
| ITF - M15 Villa Maria | 03/30 19:10 | 25 | Francisco Comesana v Joao Lucas Reis da Silva | 4-6,3-6 | |
| ITF - M15 Antalya | 03/10 08:35 | 25 | Joao Lucas Reis da Silva v Ergi Kirkin | 3-6,4-6 | |
| ITF - M15 Antalya | 03/06 07:15 | 28 | Joao Lucas Reis da Silva v Madaras, Dragos Nicolae | 2-6,1-6 | |
| ITF - M15 Antalya | 03/05 07:00 | 27 | Sebastian Gima v Joao Lucas Reis da Silva | 4-6,1-6 | |
| ITF - M15 Antalya | 03/04 07:00 | 26 | Joao Lucas Reis da Silva v Zukas, Matias | 5-7,6-4,7-6 | |
| ITF - M15 Antalya | 03/02 09:00 | 25 | Joao Lucas Reis da Silva v Roncalli, Simone | 6-2,6-3 | |
| ITF - M15 Antalya | 02/24 09:35 | 25 | Matheus P De Almeida v Joao Lucas Reis da Silva | 6-3,6-2 | |
| ITF - M15 Antalya | 02/18 11:30 | 26 | Giovanni Fonio v Joao Lucas Reis da Silva | 6-4,2-6,7-5 | |
| ITF - M15 Antalya | 02/16 10:05 | 25 | Joao Lucas Reis da Silva v Toby Kodat | 6-0,6-4 | |
| ITF - M15 Antalya | 02/07 06:00 | 62 | Joao Lucas Reis da Silva v Max Houkes | 4-6,4-6 |