| ITF Netherlands F1 | 06/28 12:00 | 26 | Dhoe, Benjamin v Joao Lucas Reis da Silva | 6-2,6-4 | |
| ITF Netherlands F1 | 06/27 13:15 | 25 | de Goeijen, Bobby v Joao Lucas Reis da Silva | 5-7,6-7 | |
| ITF Belgium F1 | 06/21 10:20 | 26 | Joao Lucas Reis da Silva v Vanneste, Jeroen | 3-6,6-2,1-6 | |
| ITF Belgium F1 | 06/20 08:00 | 25 | Sabanin, Yan v Joao Lucas Reis da Silva | 4-6,5-7 | |
| ITF Brazil F4 | 05/20 14:00 | 29 | Thiago Seyboth Wild v Reis Da Silva, Joao Lucas | 7-6,3-6,2-6 | |
| ITF Brazil F4 | 05/19 14:00 | 28 | Jose Pereira v Reis Da Silva, Joao Lucas | 2-6,6-3,3-6 | |
| ITF Brazil F4 | 05/18 15:00 | 27 | Matos, Rafael v Reis Da Silva, Joao Lucas | 3-6,4-6 | |
| ITF Brazil F4 | 05/17 16:25 | 26 | Joao Lucas Reis da Silva v Lindell, Christian | 6-0,6-3 | |
| ITF Brazil F4 | 05/15 15:25 | 25 | Lima, Enrico Dos Santos v Reis Da Silva, Joao Lucas | 1-6,1-6 | |
| ITF Brazil F2 | 05/02 18:10 | 26 | Oscar J. Gutierrez v Reis Da Silva, Joao Lucas | 6-4,6-3 | |
| ITF Brazil F2 | 04/30 22:55 | 25 | Reis Da Silva, Joao Lucas v Marques Da Silva, Rafael | 6-4,6-1 | |
| ITF Brazil F1 | 04/27 15:30 | 27 | Dutra Da Silva, Daniel v Reis Da Silva, Joao Lucas | 6-4,6-2 | |
| ITF Brazil F1 | 04/26 17:10 | 26 | Reis Da Silva, Joao Lucas v Jose Pereira | 6-4,6-1 | |
| ITF Brazil F1 | 04/24 18:10 | 25 | Hinsching, Joao v Reis Da Silva, Joao Lucas | 3-6,5-7 | |
| ITF Brazil F3 | 11/25 15:00 | 28 | Joao Lucas Reis da Silva v Saraiva, Bernardo | 1-6,0-6 | |
| ITF Brazil F3 | 11/24 14:30 | 27 | Dischinger, Eduardo v Joao Lucas Reis da Silva | 2-6,6-4,6-7 | |
| ITF Brazil F3 | 11/23 16:40 | 26 | Daniel Batista v Joao Lucas Reis da Silva | 4-6,2-6 | |
| ITF Brazil F3 | 11/21 13:00 | 25 | Joao Lucas Reis da Silva v Matos, Rafael | 6-0,0-6,7-6 | |
| ITF Brazil F2 | 11/16 14:30 | 26 | Joao Lucas Reis da Silva v Oscar Jose Gutierrez | 5-7,4-6 | |
| ITF Brazil F2 | 11/14 15:40 | 25 | Silva, Caio v Joao Lucas Reis da Silva | 2-6,6-3,1-6 | |
| ITF Brazil F2 | 11/12 13:00 | 54 | Daniel Batista v Joao Lucas Reis da Silva | 1-6,1-6 | |
| ITF Tunisia F5 | 02/04 12:00 | 62 | Joao Lucas Reis da Silva v Fellin, Manfred | 0-6,0-6 | |
| ITF USA F5 | 01/25 16:00 | 60 | Joao Lucas Reis da Silva v Denis Shapovalov | 6-7,2-6 | |
| ITF USA F5 | 01/24 15:30 | 60 | Lima, Renato v Joao Lucas Reis da Silva | 6-4,4-6,2-6 | |
| ITF USA F4 | 01/15 15:00 | 60 | Joao Lucas Reis da Silva v Rocha, Juan | 1-6,4-6 | |
| ITF USA F3 Qual | 01/08 18:30 | 60 | Joao Lucas Reis da Silva v Axel Nefve | 3-6,6-2,4-6 |