Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Santa Cruz | 2019/08/10 19:00 | Joao Lucas Reis da Silva v Juan Bautista Otegui | 3-6,6-4,5-7 |
| ITF M15 Santa Cruz | 2019/08/09 20:00 | Maximiliano Estevez v Joao Lucas Reis da Silva | 1-6,2-6 |
| ITF M15 Santa Cruz | 2019/08/08 20:00 | Andres Urrea v Joao Lucas Reis da Silva | 5-7,1-6 |
| ITF M15 Santa Cruz | 2019/08/07 19:00 | Felipe Santamaria v Joao Lucas Reis da Silva | 3-6,2-6 |
| ITF M15 Bad Schussenried | 2019/07/23 12:40 | Joao Lucas Reis da Silva v Luca Gelhardt | 4-6,2-6 |
| ITF M25 Kassel | 2019/07/17 14:10 | Joao Lucas Reis da Silva v Orlando Luz | 4-6,5-7 |
| ITF M15 Marburg | 2019/07/10 11:00 | Joao Lucas Reis da Silva v Ryan Nijboer | 2-6,7-5,3-6 |
| ITF M15 Den Haag | 2019/07/02 12:55 | Guy Den Heijer v Joao Lucas Reis da Silva | 6-4,6-1 |
| ITF M25 Portoviejo | 2019/08/09 19:15 | Tomas Barrios Vera v Gabriel Ciro Da Silva | 6-2,6-4 |
| ITF M25 Portoviejo | 2019/08/08 18:30 | Brandon Perez v Gabriel Ciro Da Silva | 6-4,3-6,4-6 |
| ITF M25 Portoviejo | 2019/08/07 15:00 | Gianfranco Panta v Gabriel Ciro Da Silva | 1-6,3-6 |
| ITF M15 Castelo Branco | 2019/07/17 10:25 | Gabriel Ciro Da Silva v Romain Bauvy | 1-6,3-6 |
| ITF M15 Castelo Branco | 2019/07/16 09:00 | Gabriel Ciro Da Silva v Arthur Bernabe | 6-3,7-6 |
| ITF M15 Castelo Branco | 2019/07/15 09:00 | Gabriel Ciro Da Silva v Ricardo Brancal | 6-2,6-1 |
| ITF M15 Idanha-a-Nova | 2019/07/10 10:50 | Gabriel Ciro Da Silva v Albert Roglan | 4-6,6-4,3-6 |
| ITF M15 Idanha-a-Nova | 2019/07/09 09:00 | Gabriel Ciro Da Silva v Tim Van Der Horst | 6-1,4-6,10-7 |