Stadium: Court 17 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/01/26 08:30 | Colin Markes v John Echeverria | 7-6,7-5 |
| ITF M15 Madrid | 2023/11/29 11:40 | A.J Catanzariti v Colin Markes | 6-7,7-5,4-6 |
| Challenger Drummondville | 2023/11/14 19:15 | Colin Markes v Michael Vrbensky | 4-6,6-3,3-6 |
| Challenger Drummondville | 2023/11/13 16:40 | Nicaise Muamba v Colin Markes | 2-6,4-6 |
| Challenger Drummondville | 2023/11/12 19:00 | Kuang Qing Xu v Colin Markes | 4-6,3-6 |
| ITF M25 Austin | 2023/11/10 16:00 | Colin Markes v Eliot Spizzirri | 1-6,2-6 |
| ITF M25 Austin | 2023/11/09 14:55 | Mark Whitehouse v Colin Markes | 6-1,5-7,6-10 |
| ITF M25 Austin | 2023/11/08 21:20 | Tiago Torres v Colin Markes | 6-2,3-6,0-6 |
| ITF M25 Edmonton | 2023/11/02 17:20 | Colin Markes v Justin Boulais | 1-6,6-7 |
| ITF M15 Madrid | 2023/11/29 12:00 | Alejandro M Kretzer v John Echeverria | 4-6,5-7 |
| ITF M15 Valencia | 2023/11/15 10:30 | John Echeverria v Jordi Garcia Mestre | 6-7,4-6 |
| ITF M25 Benicarlo | 2023/11/07 12:15 | John Echeverria v Miguel Damas | 0-6,6-7 |
| Challenger Malaga | 2023/10/08 11:05 | John Echeverria v Billy Harris | 5-7,5-7 |
| Challenger Alicante | 2023/10/01 14:15 | John Echeverria v Akira Santillan | 5-7,5-7 |
| ITF M25 Madrid | 2023/09/14 11:45 | John Echeverria v Clement Chidekh | 6-7,2-6 |
| ITF M25 Madrid | 2023/09/13 10:40 | John Echeverria v Mikel Martinez | 6-4,6-3 |
| ITF M25 Bagneres-De-Bigorre | 2023/09/09 14:30 | John Echeverria v Tristan Lamasine | 3-6,6-4,6-7 |