Stadium: Court 4 Round: 25 Ground: Clay
| 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 M15 Alkmaar | 2019/06/27 14:50 | Enrico Dalla Valle v Joao Lucas Reis da Silva | 6-4,6-2 |
| ITF M15 Alkmaar | 2019/06/26 16:05 | Mick Veldheer v Joao Lucas Reis da Silva | 2-6,0-6 |
| ITF M15 Balatonalmadi | 2019/06/18 08:00 | Joao Lucas Reis da Silva v Marek Semjan | 3-6,4-6 |
| ITF M15 Balatonalmadi | 2019/06/17 10:30 | Joao Lucas Reis da Silva v Mate Voros | 6-0,6-1 |
| ITF M15 Kaltenkirchen | 2019/06/11 16:10 | Markus Eriksson v Joao Lucas Reis da Silva | 7-6,6-2 |
| ITF M25 Karlsruhe | 2019/06/05 13:55 | Daniel Dutra Da Silva v Joao Lucas Reis da Silva | 6-4,6-2 |
| ITF M15 Curitiba | 2019/06/26 19:30 | Orlando Luz v Igor Marcondes | 3-6,4-6 |
| Challenger Columbus | 2019/06/11 20:50 | Orlando Luz v John McNally | 5-7,7-6,5-7 |
| Challenger Little Rock | 2019/06/05 15:00 | Noah Rubin v Orlando Luz | 6-4,6-3 |
| Challenger Little Rock | 2019/06/04 15:00 | Orlando Luz v Makoto Ochi | 6-4,5-7,7-6 |
| Challenger Little Rock | 2019/06/03 15:00 | Arjun Kadhe v Orlando Luz | 4-6,4-6 |
| ITF M15 Valldoreix | 2019/05/19 10:45 | Orlando Luz v Rafael Matos | 6-3,6-4 |
| ITF M15 Valldoreix | 2019/05/19 07:00 | Felipe Meligeni Rodrigues Alves v Orlando Luz | 6-4,1-6,2-6 |
| ITF M15 Valldoreix | 2019/05/18 08:45 | Orlando Luz v Nikolas Sanchez Izquierdo | 6-2,7-5 |