Stadium: Stadium Court Round: 25 Ground: Clay
| ITF Brazil F9 | 2018/11/14 13:30 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 1-6,1-6 |
| ITF M25 Medellin | 2021/09/19 15:00 | Gilbert S K Junior v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/18 15:00 | Gerardo L Villasenor v Joao Lucas Reis da Silva | 2-6,6-7 |
| ITF M25 Medellin | 2021/09/17 14:50 | Juan Sebastian Gomez v Joao Lucas Reis da Silva | 1-6,4-6 |
| ITF M25 Medellin | 2021/09/16 16:25 | Daniel Antonio Nunez v Joao Lucas Reis da Silva | 5-7,4-6 |
| ITF M25 Medellin | 2021/09/14 19:40 | Johan A Rodriguez Rodriguez v Joao Lucas Reis da Silva | 3-6,1-6 |
| ITF M15 Ibague | 2021/09/07 15:40 | Joao Lucas Reis da Silva v Blu Baker | 6-4,3-6,3-6 |
| ITF M15 Castelo Branco | 2021/07/31 08:30 | Joao Lucas Reis da Silva v Gilbert S K Junior | 6-4,2-6,6-7 |
| ITF M15 Castelo Branco | 2021/07/30 08:30 | Duarte Vale v Joao Lucas Reis da Silva | 7-6,4-6,5-7 |
| ITF M15 Antalya | 2021/05/16 07:00 | Eduardo Ribeiro v Arvid Nordquist | 1-6,0-6 |
| ITF M15 Antalya | 2021/05/11 07:00 | Edoardo Eremin v Eduardo Ribeiro | 6-4,7-5 |
| ITF M15 Antalya | 2021/05/10 07:00 | Eduardo Ribeiro v Ignacio Carou | 3-6,7-5,10-4 |
| ITF M15 Antalya | 2021/05/09 07:00 | Credit Chaiyarin v Eduardo Ribeiro | 2-6,2-6 |
| ITF M15 Cairo | 2021/05/04 08:00 | Simon A Ivanov v Eduardo Ribeiro | 4-6,6-3,10-7 |
| ITF M15 Cairo | 2021/05/03 11:00 | Mohab Hamed v Eduardo Ribeiro | 3-6,0-6 |
| ITF M15 Cairo | 2021/05/02 10:00 | Bader Alabdullah v Eduardo Ribeiro | 1-6,3-6 |
| ITF M15 Cairo | 2021/04/27 08:00 | Yanais Laurent v Eduardo Ribeiro | 6-4,6-1 |