stadio: Court 3 Round: 25 Ground: Clay
| Challenger Portoroz | 2019/08/12 17:00 | Nik Razborsek v Antoine Cornut-Chauvinc | 4-6,6-3,4-6 |
| ITF M25 Bolzano | 2019/07/30 11:40 | Nik Razborsek v Mick Veldheer | 3-6,4-6 |
| ITF M15 Bad Schussenried | 2019/07/26 11:30 | Adrian Obert v Nik Razborsek | 6-4,7-6 |
| ITF M15 Bad Schussenried | 2019/07/25 14:00 | Nik Razborsek v Sebastian Prechtel | 6-4,7-6 |
| ITF M15 Bad Schussenried | 2019/07/24 09:30 | Nik Razborsek v Gabriele Moghini | 6-4,6-4 |
| ITF M15 Bad Schussenried | 2019/07/23 14:35 | Nik Razborsek v Kai Lemstra | 6-2,6-3 |
| ATP Umag | 2019/07/14 08:00 | Salvatore Caruso v Nik Razborsek | 6-3,6-2 |
| ITF M15 L'Aia | 2019/07/04 09:05 | Nik Razborsek v Geoffrey Blancaneaux | 5-7,0-6 |
| ITF M15 Novi Sad | 2019/08/14 10:55 | Domagoj Biljesko v Peter Nagy | 5-7,3-6 |
| ITF M15 Novi Sad | 2019/08/13 08:00 | Domagoj Biljesko v Antun Vidak | 7-5,6-3 |
| ITF M15 Novi Sad | 2019/08/12 08:00 | Domagoj Biljesko v Mihailo Popovic | 4-6,6-3,10-6 |
| ITF M15 Novi Sad | 2019/08/05 10:30 | Amaury Delmas v Domagoj Biljesko | 6-4,4-6,10-7 |
| ITF M15 Novi Sad | 2019/07/30 11:35 | Arklon H D Pino v Domagoj Biljesko | 6-0,4-6,6-0 |
| ITF M15 Wels | 2019/07/22 13:10 | Tomas Liska v Domagoj Biljesko | 4-6,6-4,10-3 |
| ITF M15 Kramsach | 2019/07/15 13:30 | Edoardo Lavagno v Domagoj Biljesko | 6-1,6-4 |
| ITF M15 Kramsach | 2019/07/15 08:00 | Stevan Popovic v Domagoj Biljesko | 2-6,0-6 |