| ITF - M15 Marburg | 07/10 11:00 | 25 | Joao Lucas Reis da Silva v Ryan Nijboer | 2-6,7-5,3-6 | |
| ITF - M15 Den Haag | 07/02 12:55 | 25 | Guy Den Heijer v Joao Lucas Reis da Silva | 6-4,6-1 | |
| ITF - M15 Alkmaar | 06/27 14:50 | 26 | Enrico Dalla Valle v Joao Lucas Reis da Silva | 6-4,6-2 | |
| ITF - M15 Alkmaar | 06/26 16:05 | 25 | Mick Veldheer v Joao Lucas Reis da Silva | 2-6,0-6 | |
| ITF - M15 Balatonalmádi | 06/18 08:00 | 54 | Joao Lucas Reis da Silva v Marek Semjan | 3-6,4-6 | |
| ITF - M15 Balatonalmádi | 06/17 10:30 | 54 | Joao Lucas Reis da Silva v Mate Voros | 6-0,6-1 | |
| ITF - M15 Kaltenkirchen | 06/11 16:10 | 25 | Markus Eriksson v Joao Lucas Reis da Silva | 7-6,6-2 | |
| ITF - M25 Karlsruhe | 06/05 13:55 | 25 | Daniel Dutra Da Silva v Joao L R Da Silva | 6-4,6-2 | |
| ITF - M25 Karlsruhe | 06/04 09:00 | 54 | Oscar Jose Gutierrez v Joao L R Da Silva | 1-6,2-6 | |
| ITF - M25 Karlsruhe | 06/03 09:00 | 54 | Luis Erlenbusch v Joao Lucas Reis da Silva | 2-6,6-1,8-10 | |
| ITF - M25 Gyula | 05/30 09:50 | 26 | Christopher Heyman v Joao Lucas Reis da Silva | 6-3,6-4 | |
| ITF - M25 Gyula | 05/29 09:25 | 25 | Joao Lucas Reis da Silva v Alessandro Coppini | 6-4,6-4 | |
| ITF - M15 Bucareste | 05/23 07:00 | 26 | Alexander Igoshin v Joao Lucas Reis da Silva | 7-5,7-5 | |
| ITF - M15 Bucareste | 05/21 10:25 | 25 | Matei A Georgescu v Joao Lucas Reis da Silva | 2-6,6-7 | |
| ITF - M15 Cancún | 04/10 15:25 | 25 | Joao Lucas Reis da Silva v Jean Thirouin | 2-6,6-3,5-7 | |
| ITF - M15 Cancún | 03/26 16:35 | 25 | Mateus Alves v Joao Lucas Reis da Silva | 6-3,6-4 | |
| ITF - M15 Cancún | 03/19 21:00 | 25 | Jordi Arconada v Joao Lucas Reis da Silva | 6-3,1-6,6-3 | |
| ITF - M15 Cancún | 03/16 13:30 | 28 | Juan P Varillas v Joao L R Da Silva | 6-3,6-4 | |
| ITF - M15 Cancún | 03/15 13:00 | 27 | Joao Lucas Reis da Silva v Diego Hidalgo | 6-4,3-6,6-1 | |
| ITF - M15 Cancún | 03/14 15:25 | 26 | Joao L R Da Silva v Julian Bradley | 6-4,6-4 | |
| ITF - M15 Cancún | 03/12 14:00 | 25 | Joao Lucas Reis da Silva v Oleg Khotkov | 6-0,6-2 | |
| ITF - M15 Tucson | 02/15 19:55 | 27 | Martin Redlicki v Joao L R Da Silva | 6-3,6-3 | |
| ITF - M15 Tucson | 02/14 20:30 | 26 | Vasil Kirkov v Joao L R Da Silva | 6-7,4-6 | |
| ITF - M15 Tucson | 02/13 20:10 | 25 | Lucas Poullain v Joao L R Da Silva | 4-6,6-2,4-6 | |
| ITF M15 Claremont | 02/07 19:40 | 26 | Joao L R Da Silva v Jose Olivares | 4-6,6-2,4-6 | |
| ITF M15 Claremont | 02/06 18:00 | 25 | Joao L R Da Silva v Michael Zhu | 6-3,6-1 | |
| ITF - M25 Weston | 02/02 17:35 | 28 | Joao Lucas Reis da Silva v Alejandro Tabilo | 2-6,6-3,0-6 | |
| ITF - M25 Weston | 02/01 15:00 | 27 | Christian Lindell v Joao Lucas Reis da Silva | 4-6,3-6 | |
| ITF - M25 Weston | 01/31 15:00 | 26 | Joao Lucas Reis da Silva v Strong Kirchheimer | 6-4,7-5 | |
| ITF - M25 Weston | 01/29 18:40 | 25 | Sebastian Korda v Joao Lucas Reis da Silva | 4-6,3-6 |