Stadium: Sportna Dvorana Golovec Round: 25 Ground: Clay
| ITF M15 Store | 2023/06/21 10:30 | Domagoj Biljesko v Corey Gaal | 5-7,5-7 |
| ITF M15 Doboj | 2023/05/10 12:25 | Sasa Markovic v Domagoj Biljesko | 7-6,7-5 |
| ITF M15 Osijek | 2023/05/03 08:00 | Domagoj Biljesko v Sebastian Sorger | 4-6,1-6 |
| ITF M25 Split | 2023/04/20 09:50 | Domagoj Biljesko v Eric Vanshelboim | 0-6,2-6 |
| ITF M25 Split | 2023/04/19 08:00 | Domagoj Biljesko v Jerko Brkic | 6-3,6-3 |
| ITF M15 Opatija | 2023/03/22 08:25 | Domagoj Biljesko v Matej Dodig | 6-3,4-6,6-7 |
| ITF M15 Rovinj | 2023/03/15 11:20 | Federico Arnaboldi v Domagoj Biljesko | 6-4,6-3 |
| ITF M15 Porec | 2023/03/08 09:00 | Sergi Perez Contri v Domagoj Biljesko | 7-6,6-3 |
| ITF M15 Celje | 2023/06/27 08:20 | Zak Talic v Timofey Stepanov | 3-6,0-6 |
| ITF M15 Celje | 2023/06/26 14:00 | Nik Mikovic v Timofey Stepanov | 2-6,2-6 |
| ITF M15 Store | 2023/06/22 06:55 | Martin Krumich v Timofey Stepanov | 6-2,6-4 |
| ITF M15 Store | 2023/06/21 15:15 | Gal Emersic Potocnik v Timofey Stepanov | 3-6,0-6 |
| ITF M15 Store | 2023/06/20 12:45 | Peter Goldsteiner v Timofey Stepanov | 6-2,4-6,4-10 |
| ITF M15 Store | 2023/06/19 14:15 | Jaka Protic Zakelj v Timofey Stepanov | 2-6,5-7 |
| ITF M15 Litija | 2023/06/13 07:00 | Dominik Kellovsky v Timofey Stepanov | 6-3,6-0 |
| ITF M15 Litija | 2023/06/12 07:00 | Jaka Protic Zakelj v Timofey Stepanov | 5-7,4-6 |