Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/12 09:00 | Alejandro T Alvarez v Marcus Walters | 3-6,2-6 |
| ITF M25 Sintra | 2023/09/11 13:00 | Guilherme Valdoleiros v Marcus Walters | 7-6,1-6,6-10 |
| ITF M25 Sintra | 2023/09/06 14:20 | Marcus Walters v Jaime Faria | 5-7,1-6 |
| ITF M25 Sintra | 2023/09/06 10:40 | Marcus Walters v Martim Simoes | 3-6,6-2,10-8 |
| ITF M25 Sintra | 2023/09/03 08:00 | Marcus Walters v Julius Augunas | 6-1,6-3 |
| ITF M15 Eupen | 2023/08/10 09:00 | Marcus Walters v Axel Garcian | 6-3,1-6,3-6 |
| ITF M15 Eupen | 2023/08/09 15:05 | Esteban Bruna v Marcus Walters | 6-7,1-6 |
| ITF M15 Eupen | 2023/08/08 14:00 | Ethan Cook v Marcus Walters | 4-6,6-7 |
| Challenger Cassis | 2023/09/04 11:15 | Kalin Ivanovski v Federico Gaio | 6-1,3-6,4-6 |
| Challenger Mallorca | 2023/08/30 20:05 | Joao Sousa v Kalin Ivanovski | 6-4,7-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/15 13:35 | Marius Copil v Kalin Ivanovski | 6-4,1-6,6-4 |
| Challenger Banja Luka | 2023/08/08 10:30 | Clement Tabur v Kalin Ivanovski | 7-6,7-6 |
| ITF M25 Kramsach | 2023/07/30 10:00 | Gerard Campana Lee v Kalin Ivanovski | 2-6,2-6 |
| ITF M25 Kramsach | 2023/07/29 10:00 | Mathys Erhard v Kalin Ivanovski | 6-4,2-6,2-6 |
| ITF M25 Kramsach | 2023/07/28 09:00 | Sandro Kopp v Kalin Ivanovski | 6-7,4-6 |
| ITF M25 Kramsach | 2023/07/27 12:15 | Syl Gaxherri v Kalin Ivanovski | 1-6,2-6 |