Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| ITF Slovakia F1 | 2017/07/28 11:55 | Danylo Kalenichenko v Nik Razborsek | 7-6,6-2 |
| ITF Bosnia and Herzegovina F2 | 2017/05/30 08:00 | Danylo Kalenichenko v Nik Razborsek | 6-4,3-6,7-6 |
| Challenger Liuzhou | 2019/10/22 03:50 | Roman Safiullin v Danylo Kalenichenko | 7-5,6-4 |
| Challenger Liuzhou | 2019/10/21 04:45 | Danylo Kalenichenko v Yusuke Takahashi | 6-2,6-2 |
| Challenger Nur-Sultan 2 | 2019/09/30 14:30 | Danylo Kalenichenko v Mischa Zverev | 2-6,5-7 |
| ITF M25 Oliveira De Azemeis | 2019/09/24 16:35 | Danylo Kalenichenko v Matteo Martineau | 6-3,6-7,1-6 |
| Challenger Banja Luka | 2019/09/12 10:55 | Danylo Kalenichenko v Federico Coria | 6-7,0-6 |
| Challenger Banja Luka | 2019/09/10 13:25 | Danilo Petrovic v Danylo Kalenichenko | 6-3,5-7,6-7 |
| Challenger Banja Luka | 2019/09/09 12:45 | Danylo Kalenichenko v Jacopo Berrettini | 6-3,6-1 |
| ITF M15 Szekesfehervar | 2019/09/05 08:00 | Danylo Kalenichenko v Michael Vrbensky | 2-6,2-6 |
| 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 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 |