Stadium: Court 1 (Center) Round: 25 Ground: Clay
| ITF M15 - Kamen | 2019/06/27 11:40 | Nik Razborsek v Riccardo Maiga | 5-7,6-7 |
| ITF M15 - Kamen | 2019/06/25 10:40 | Nik Razborsek v Henri Squire | 6-2,2-6,6-2 |
| ITF M15 Kaltenkirchen | 2019/06/11 13:50 | Nik Razborsek v Damien Wenger | 6-4,1-6,1-6 |
| ITF M25 - Kiseljak | 2019/06/02 07:00 | Martins Podzus v Nik Razborsek | 7-5,6-3 |
| ITF M25 - Kiseljak | 2019/05/30 12:10 | Frane Nincevic v Nik Razborsek | 3-6,3-6 |
| ITF M25 - Kiseljak | 2019/05/28 14:15 | Gorazd Srbljak v Nik Razborsek | 3-6,1-6 |
| ITF M25 - Jablonec Nad Nisou | 2019/05/23 08:00 | Nik Razborsek v Andrew Paulson | 4-6,3-6 |
| ITF M15 Tabarka | 2019/04/19 09:00 | Nik Razborsek v Constantin Schmitz | 0-6,2-6 |