Ground: Hardcourt outdoor
| ITF M15 Kayseri | 2025/06/10 11:12 | Guillaume Dalmasso v Juan Sebastian Osorio | 6-4,4-6,4-6 |
| ITF M25 Grasse | 2025/06/03 13:03 | Guillaume Dalmasso v Alex Barrena | 2-6,2-6 |
| ITF M25 Grasse | 2025/06/02 08:00 | Guillaume Dalmasso v Mathieu Scaglia | 2-6,4-6 |
| ITF M25 Grasse | 2025/06/01 08:30 | Guillaume Dalmasso v Pierre Antoine Tailleu | 6-4,7-6 |
| ITF M25 Carnac | 2025/05/27 14:00 | Guillaume Dalmasso v Jelle Sels | 2-6,7-5,2-6 |
| Challenger Abidjan | 2025/04/22 12:30 | Guillaume Dalmasso v Philip Henning | 7-6,6-7,2-6 |
| Challenger Abidjan | 2025/04/21 10:00 | Luca Potenza v Guillaume Dalmasso | 6-7,6-3,4-6 |
| Challenger Abidjan Qual | 2025/04/20 11:35 | Abdoulaziz Bationo v Guillaume Dalmasso | 3-6,4-6 |