Stadium: LSU - Court 02 Ground: Hardcourt outdoor
| ITF M15 Curtea de Arges | 2025/08/07 11:18 | Nicholas David Ionel v Calin T Stirbu | 6-1,6-1 |
| ITF M15 Curtea de Arges | 2025/08/06 06:30 | Leonardo Angeloni v Calin T Stirbu | 4-6,2-6 |
| ITF M25 Pitesti | 2025/07/28 08:00 | Calin T Stirbu v Mihai Alexandru Coman | 6-7,6-3,0-1 |
| ITF M15 Slobozia | 2025/07/16 08:00 | Calin T Stirbu v Luca Preda | 6-3,3-6,0-6 |
| ITF M25 Targu Mures | 2025/06/24 07:00 | Alex M Pujolras v Calin T Stirbu | 6-1,6-4 |
| ITF M25 Targu Mures | 2025/06/23 07:00 | Calin T Stirbu v Gheorghe Claudiu Schinteie | 6-2,7-5 |
| ITF M15 Cluj Napoca | 2025/06/18 06:30 | Stefan Palosi v Calin T Stirbu | 6-4,6-2 |
| UTR Pro Bucharest | 2025/06/15 08:40 | Mikolaj Lis v Calin T Stirbu | 6-7,4-6 |
| UTR Pro Waco | 2025/08/23 20:05 | Zachary Cohen v Luis Jose Nakamine | 3-6,2-6 |
| UTR Pro Waco | 2025/08/22 23:30 | Zachary Cohen v Sean Ferguson | 6-4,1-6,6-3 |
| UTR Pro Waco | 2025/08/21 19:30 | Zachary Cohen v Abhinav Chunduru | 7-5,6-7,6-2 |
| UTR Pro Waco | 2025/08/19 17:00 | Arman Zamani v Zachary Cohen | 6-1,6-3 |
| ITF M15 Santa Tecla | 2025/07/16 16:30 | Zachary Cohen v Alex Kuperstein | 4-6,2-5 |
| ITF M15 Santa Tecla | 2025/07/14 15:42 | Carson Baker v Zachary Cohen | 0-6,7-6,0-1 |
| UTR Pro Boca Raton | 2025/03/02 17:05 | Brennon Chow v Zachary Cohen | 6-4,6-0 |
| UTR Pro Boca Raton | 2025/03/01 15:00 | Zachary Cohen v Andrew Gordon | 6-2,6-3 |