Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Pazardzhik | 2023/05/22 12:00 | Francesco Ferrari v Collin Altamirano | 1-6,0-6 |
| ITF M15 Antalya | 2023/05/17 06:55 | Collin Altamirano v Paul Woerner | 5-7,6-7 |
| ITF M15 Antalya | 2023/05/16 08:40 | Saveliy Ivanov v Collin Altamirano | 4-6,3-6 |
| ITF M15 Antalya | 2023/05/15 13:00 | Collin Altamirano v Mikail Alimli | 6-7,7-6,10-3 |
| ITF M15 Antalya | 2023/05/14 12:00 | Collin Altamirano v Mousa Shanan Zayed | 6-1,6-2 |
| ITF M15 Antalya | 2023/05/07 07:00 | Alexander Donski v Collin Altamirano | 6-4,6-4 |
| ITF M15 Antalya | 2023/04/30 07:00 | Lorenzo Joaquin Rodriguez v Collin Altamirano | 6-1,4-6,11-9 |
| ITF M15 Naples | 2023/02/21 14:30 | Collin Altamirano v Bryce Nakashima | 3-6,3-6 |
| ITF M15 Pazardzhik | 2023/05/18 08:55 | Riccardo Balzerani v Vadym Konovchuk | 6-1,6-0 |
| ITF M15 Pazardzhik | 2023/05/16 07:00 | Vadym Konovchuk v Mihail Ivanov | 7-5,1-6,10-7 |
| ITF M15 Pazardzhik | 2023/05/15 12:15 | Dragos Constantin Ignat v Vadym Konovchuk | 5-7,7-5,8-10 |
| ITF M15 Pazardzhik | 2023/05/15 07:00 | Radoslav Shandarov v Vadym Konovchuk | 1-6,6-3,6-10 |
| ITF M15 Alaminos-Larnaca | 2023/05/09 09:30 | Vadym Konovchuk v Aaron Cohen | 3-6,5-7 |
| ITF M15 Alaminos-Larnaca | 2023/05/08 07:00 | Jonathan Baron v Vadym Konovchuk | 3-6,7-5,9-11 |
| ITF M15 Alaminos-Larnaca | 2023/05/01 06:00 | Samuele Pieri v Vadym Konovchuk | 6-0,6-0 |
| ITF M15 Alaminos-Larnaca | 2023/04/30 09:30 | Edoardo L Cattaneo v Vadym Konovchuk | 3-6,3-6 |