Stadium: Cancha 3 Round: 14 Ground: Clay
| ITF M25 Calabasas | 2023/03/23 18:00 | Alex Michelsen v Colin Markes | 6-3,6-2 |
| ITF M25 Bakersfield | 2023/03/16 20:15 | Colin Markes v Naoki Nakagawa | 2-6,2-6 |
| ITF M25 Bakersfield | 2023/03/16 01:30 | Miles Jones v Colin Markes | 6-4,5-7,3-6 |
| ITF M15 Monastir | 2023/02/11 10:30 | Nicolas Tepmahc v Colin Markes | 6-3,6-3 |
| ITF M15 Monastir | 2023/02/07 12:30 | Stefanos Sakellaridis v Colin Markes | 5-7,6-2,6-7 |
| ITF M25 Monastir | 2023/02/02 11:45 | Fajing Sun v Colin Markes | 6-2,6-2 |
| ITF M25 Monastir | 2023/01/31 10:55 | Colin Markes v Luca Potenza | 2-6,6-4,6-2 |
| ITF M15 Monastir | 2023/01/27 08:30 | Colin Markes v Stefanos Sakellaridis | 1-6,6-4,4-6 |
| ITF M25 Canberra | 2023/03/15 23:00 | Ajeet Rai v Hans C B Gonzalez | 6-4,4-6,6-3 |
| ITF M25 Canberra | 2023/03/15 03:15 | Ajeet Rai v Shinnosuke Hiramatsu | 6-3,6-4 |
| ITF M25 Swan Hill | 2023/03/03 01:50 | Luke Saville v Ajeet Rai | 6-2,7-5 |
| ITF M25 Swan Hill | 2023/03/01 23:00 | Ethan Cook v Ajeet Rai | 3-6,1-6 |
| ITF M25 Swan Hill | 2023/03/01 02:40 | Stefan Vujic v Ajeet Rai | 4-6,0-6 |
| ITF M25 Swan Hill | 2023/02/25 01:35 | Tristan Schoolkate v Ajeet Rai | 7-6,6-4 |
| ITF M25 Swan Hill | 2023/02/24 01:50 | Ajeet Rai v Alexander Klintcharov | 7-5,6-4 |
| ITF M25 Swan Hill | 2023/02/22 22:50 | Ajeet Rai v Jake Delaney | 1-6,6-3,6-2 |