| ITF M15 Opatija | 2025/03/26 09:00 | Nikita Mashtakov v Zdenek Kolar | 2-6,2-6 |
| ITF M15 Antalya | 2025/03/12 11:27 | Ryan Nijboer v Nikita Mashtakov | 6-2,6-1 |
| UTR Pro Dubai | 2025/02/16 05:00 | Nikita Mashtakov v Ronetto Van Tilburg | 2-6,3-6 |
| UTR Pro Dubai | 2025/02/15 08:10 | Nikita Mashtakov v Janos Fekete | 6-3,6-2 |
| UTR Pro Dubai | 2025/02/14 06:00 | Nikita Mashtakov v Joris Moret | 1-6,4-6 |
| UTR Pro Dubai | 2025/02/12 09:05 | Nikita Mashtakov v Valentin Lapalu | 6-3,6-1 |
| UTR Pro Dubai | 2025/02/11 10:05 | Nikita Mashtakov v Nicolas Moser | 6-1,6-2 |
| UTR Pro Dubai | 2025/02/10 07:50 | Oliver Johansson v Nikita Mashtakov | 3-6,6-3,5-7 |
| ITF M15 Opatija | 2025/03/26 09:00 | Savva Rybkin v Josip Simundza | 1-6,6-4,6-7 |
| Challenger Zadar | 2025/03/17 09:00 | Luka Pavlovic v Josip Simundza | 6-2,6-2 |
| Challenger Zadar | 2025/03/16 10:05 | Josip Simundza v Marco Cecchinato | 4-6,7-5,6-1 |
| ITF M15 Porec | 2025/03/11 10:30 | Josip Simundza v Mili Poljicak | 1-6,6-4,4-6 |
| ITF M15 Antalya | 2025/02/27 07:00 | Luka Mikrut v Josip Simundza | 6-0,7-6 |
| ITF M15 Antalya | 2025/02/20 12:00 | Bekkhan Atlangeriev v Josip Simundza | 6-1,6-4 |
| ITF M15 Antalya | 2025/02/19 08:38 | Josip Simundza v Alessandro Battiston | 7-6,4-6,6-4 |
| ITF M15 Antalya | 2025/02/12 11:21 | Marko Maksimovic v Josip Simundza | 4-6,6-3,6-3 |