| ITF M15 Monastir | 2025/03/05 10:00 | Luca Castagnola v Denis Klok | 6-1,3-1 |
| ITF M15 Monastir | 2025/02/26 08:34 | Denis Klok v Tadeas Paroulek | 1-6,2-6 |
| ITF M15 Monastir | 2025/02/18 10:00 | Denis Klok v Fabrizio Andaloro | 6-7,0-6 |
| ITF M25 Antalya | 2025/01/28 11:06 | Nicholas David Ionel v Denis Klok | 6-3,6-3 |
| ITF M25 Doha | 2025/01/19 12:30 | Denis Klok v Tuncay Duran | 6-7,3-6 |
| ITF M15 Doha | 2025/01/16 13:30 | Hynek Barton v Denis Klok | 6-2,6-4 |
| ITF M15 Antalya | 2024/12/18 08:55 | Denis Klok v Michel Hopp | 3-6,5-7 |
| ITF M15 Monastir | 2024/10/10 09:45 | Denis Klok v Nicolas Jadoun | 6-7,1-6 |
| 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 |
| ITF M15 Antalya | 2025/01/10 07:30 | Carlos Sanchez Jover v Josip Simundza | 6-1,6-0 |
| ITF M15 Antalya | 2025/01/09 07:00 | Ivan Gretskiy v Josip Simundza | 6-4,6-7,2-6 |
| ITF M15 Antalya | 2025/01/07 09:00 | Josip Simundza v Andrey Chepelev | 1-0 |
| ITF M15 Madrid | 2024/11/25 15:30 | Josip Simundza v Mateo Luis Alvarez Sarmiento | 2-6,1-6 |