Estadio: Court 2 Round: 25 Ground: Clay
| 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 |
| UTR Pro Zadar | 2023/03/05 08:30 | Domagoj Biljesko v Davide Galoppini | 6-0,6-4 |
| ITF M15 Store | 2023/06/20 08:00 | Corey Gaal v Igor Dudun | 6-2,6-4 |
| ITF M15 Store | 2023/06/19 10:40 | Corey Gaal v Mak Mikovic | 6-2,6-2 |
| ITF M15 Litija | 2023/06/13 07:00 | Corey Gaal v Tim Heger | 6-3,6-7,8-10 |
| ITF M15 Litija | 2023/06/12 07:00 | Corey Gaal v Mark Wallner | 3-6,6-3,12-10 |
| ITF M15 Sarajevo | 2023/06/05 07:00 | Corey Gaal v Joao Eduardo Schiessl | 6-1,4-6,4-10 |
| ITF M25 Kiseljak | 2023/05/31 11:50 | Corey Gaal v Gonzalo Villanueva | 5-7,2-6 |
| ITF M25 Kiseljak | 2023/05/30 07:30 | Corey Gaal v Marsel Znuderl | 6-3,6-1 |
| ITF M25 Kiseljak | 2023/05/29 09:30 | Corey Gaal v Tilen Kovac | 6-4,7-5 |