Stadium: Centre Court Round: 27 Ground: Hardcourt outdoor
| ITF M25 Laval | 2023/07/13 17:45 | Tristan McCormick v Nicaise Muamba | 7-5,7-6 |
| Challenger Medellin | 2023/06/28 16:50 | Adria Soriano Barrera v Tristan McCormick | 7-6,6-7,7-6 |
| Challenger Medellin | 2023/06/27 18:40 | Tristan McCormick v Guido Andreozzi | 6-7,6-1,7-6 |
| Challenger Medellin | 2023/06/26 23:30 | Tristan McCormick v Keenan Mayo | 6-3,3-6,6-3 |
| Challenger Medellin | 2023/06/26 18:00 | Tristan McCormick v Kelsey Stevenson | 6-4,7-6 |
| Challenger Cali | 2023/06/19 16:00 | Gonzalo Lama v Tristan McCormick | 6-3,6-7,6-3 |
| Challenger Cali | 2023/06/18 16:00 | Miguel Angel Sarria v Tristan McCormick | 0-6,0-6 |
| Challenger Palmas del Mar | 2023/06/11 15:00 | Evan Zhu v Tristan McCormick | 4-6,6-3,7-5 |
| ITF M25 Laval | 2023/07/13 16:00 | Leo Vithoontien v Taha Baadi | 5-7,6-4,6-4 |
| ITF M25 Laval | 2023/07/11 16:40 | Leo Vithoontien v David Saye | 6-1,6-2 |
| ITF M25 Santo Domingo | 2023/06/27 12:55 | Leo Vithoontien v Angel Diaz Jalil | 6-3,4-6,11-13 |
| ITF M25 Santo Domingo | 2023/06/26 15:00 | Leo Vithoontien v Christopher Li | 3-6,6-2,10-7 |
| ITF M15 Santo Domingo | 2023/06/22 17:10 | Justin Boulais v Leo Vithoontien | 6-3,6-2 |
| ITF M15 Santo Domingo | 2023/06/21 13:30 | Alan Sau Franco v Leo Vithoontien | 4-6,2-6 |
| ITF M25 Santo Domingo | 2023/06/19 15:00 | Leo Vithoontien v Arenui Luethi | 6-7,6-3,10-8 |
| ITF M15 Tabasco | 2023/05/24 18:10 | Victor Lilov v Leo Vithoontien | 6-3,6-2 |