Ground: Hardcourt outdoor
| ITF M15 Castelo Branco | 2021/07/29 08:30 | Garrett Johns v Gilbert S K Junior | 5-7,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/21 09:50 | Garrett Johns v Gilbert S K Junior | 5-7,1-6 |
| Challenger Temuco | 2024/11/28 17:40 | Gilbert S K Junior v Tomas Barrios Vera | 5-7,6-1,6-7 |
| Challenger Temuco | 2024/11/26 16:45 | Gilbert S K Junior v Pedro Boscardin Dias | 7-5,6-1 |
| Challenger Temuco | 2024/11/25 14:35 | Gilbert S K Junior v Preston Brown | 6-1,6-3 |
| Challenger Temuco | 2024/11/24 16:15 | Gilbert S K Junior v Hunter Reese | 6-0,6-4 |
| ITF M25 Sao Paulo | 2024/11/12 17:45 | Gonzalo Bueno v Gilbert S K Junior | 5-7,6-4,6-1 |
| ITF M15 Recife | 2024/11/06 18:50 | Gilbert S K Junior v Gustavo R de Almeida | 6-3,4-6,2-6 |
| ITF M25 Lajeado | 2024/10/30 14:00 | Gilbert S K Junior v Tomas Farjat | 6-4,6-2 |
| Challenger Curitiba | 2024/10/20 18:30 | Juan Carlos Prado Angelo v Gilbert S K Junior | 6-4,6-3 |
| ITF M15 Palm Coast | 2025/01/28 17:00 | Victor Lilov v Garrett Johns | 2-6,6-7 |
| ITF M15 Santiago | 2025/01/21 17:08 | Garrett Johns v Ignacio A B Otarola | 2-6,5-7 |
| Challenger Buenos Aires | 2025/01/12 18:00 | Garrett Johns v Luciano Emanuel Ambrogi | 4-6,4-6 |
| ITF M15 Huamantla | 2024/12/14 15:55 | Garrett Johns v Alafia Ayeni | 4-6,4-6 |
| ITF M15 Huamantla | 2024/12/13 16:00 | Elijah Strode v Garrett Johns | 5-7,6-7 |
| ITF M15 Huamantla | 2024/12/12 15:30 | Lucas Horve v Garrett Johns | 5-7,1-6 |
| ITF M15 Huamantla | 2024/12/10 15:30 | Rodrigo Alujas v Garrett Johns | 1-6,3-6 |
| ITF M15 Huamantla | 2024/12/05 15:30 | Kousuke Ogura v Garrett Johns | 4-6,6-1,7-6 |