Stadium: Pista 5 Round: 25 Ground: Clay
| Challenger - San Luis Potosí | 2019/04/17 19:40 | Souza, Joao Olavo v Mohamed Safwat | 6-3,6-4 |
| Challenger - San Luis Potosí | 2019/04/16 21:50 | Lopez Villasenor, Gerardo v Souza, Joao Olavo | 5-7,7-6,3-6 |
| Challenger - Santiago | 2019/03/05 20:40 | Souza, Joao Olavo v Arguello, Facundo | 6-4,3-6,4-6 |
| Challenger - Santiago | 2019/03/04 19:50 | Souza, Joao Olavo v Granollers, Gerard | 6-1,6-3 |
| Sao Paulo, Brazil | 2019/02/23 17:05 | Alessandro Giannessi v Souza, Joao Olavo | 7-6,6-3 |
| Challenger - Morelos | 2019/02/19 17:20 | Souza, Joao Olavo v Quiroz, Roberto | 4-6,0-6 |
| Challenger - Morelos | 2019/02/18 18:05 | Souza, Joao Olavo v Patino, Luis | 6-4,6-3 |
| Challenger Dallas | 2019/02/04 17:40 | Souza, Joao Olavo v Liam Broady | 6-4,6-7,2-6 |
| Challenger - Gérone | 2024/03/24 09:00 | Calvin Hemery v Felix Gill | 6-3,2-6,3-6 |
| Challenger Murcia | 2024/03/17 14:25 | Felix Gill v Nicola Kuhn | 6-2,2-6,3-6 |
| Challenger - New Delhi | 2024/02/26 04:30 | Moez Echargui v Felix Gill | 6-2,3-6,7-5 |
| Challenger - New Delhi | 2024/02/25 04:30 | Ryuki Matsuda v Felix Gill | 0-6,7-5,3-6 |
| Challenger - Pune | 2024/02/21 08:50 | Mukund Sasikumar v Felix Gill | 6-1,6-0 |
| Challenger - Pune | 2024/02/20 04:30 | Coleman Wong v Felix Gill | 6-7,6-4,3-6 |
| Challenger - Pune | 2024/02/19 05:30 | Evgeny Donskoy v Felix Gill | 5-7,2-6 |
| Challenger - Pune | 2024/02/18 06:55 | Arnav Vijay Paparkar v Felix Gill | 3-6,4-6 |