Stadium: Court 21 Round: 25 Ground: Clay
| ITF M15 Opava | 2019/10/31 09:00 | Nik Razborsek v Jaroslav Pospisil | 5-7,5-7 |
| ITF M15 Opava | 2019/10/29 12:30 | Nik Razborsek v Francesco Vilardo | 6-3,6-3 |
| ITF M25 Ricany | 2019/09/27 10:00 | Nik Razborsek v Michael Vrbensky | 3-6,3-6 |
| ITF M25 Ricany | 2019/09/26 08:00 | Nik Razborsek v Jiri Jenicek | 6-0,6-2 |
| ITF M25 Ricany | 2019/09/25 09:30 | Vaclav Safranek v Nik Razborsek | 1-6,4-6 |
| ITF M25 Gyor | 2019/08/29 08:00 | Roberto Cid Subervi v Nik Razborsek | 6-4,7-6 |
| ITF M25 Gyor | 2019/08/28 08:00 | Nik Razborsek v Domagoj Biljesko | 2-6,6-2,6-2 |
| Challenger Portoroz | 2019/08/12 17:00 | Nik Razborsek v Antoine Cornut-Chauvinc | 4-6,6-3,4-6 |
| ITF M15 Antalya | 2020/01/15 11:20 | Marlon Vankan v Marco Bortolotti | 6-7,6-4,3-6 |
| ITF M15 Antalya | 2020/01/09 09:00 | Javier Barranco Cosano v Marlon Vankan | 6-2,6-0 |
| ITF M15 Antalya | 2020/01/08 10:30 | Marlon Vankan v Nitin Kumar Sinha | 6-4,7-5 |
| ITF M15 Antalya Qual | 2019/12/08 09:30 | Marlon Vankan v Svyatoslav Ilnytskyy | 6-4,6-4 |
| ITF M15 Antalya | 2019/12/03 09:05 | Marlon Vankan v Igor Saveljic | 2-6,1-6 |
| ITF M15 Antalya | 2019/12/02 07:00 | Marlon Vankan v Alexander Wolfschmidt | 6-0,6-1 |
| ITF M15 Antalya | 2019/11/28 07:00 | Marlon Vankan v Tristan Boyer | 3-6,3-6 |
| ITF M15 Antalya | 2019/11/27 07:00 | Marlon Vankan v Valentin Vanta | 6-1,3-6,6-2 |