Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| Challenger Split MD | 2021/04/09 12:45 | Golubev/Nedovyesov v Kolar/Rosol | 6-2,2-6,10-6 |
| Challenger Split MD | 2021/04/14 14:50 | Kolar/Rosol v Margaroli/Shamasdin | 6-3,6-2 |
| Challenger Split MD | 2021/04/09 12:45 | Golubev/Nedovyesov v Kolar/Rosol | 6-2,2-6,10-6 |
| Challenger Split MD | 2021/04/08 12:45 | Raja/Weissborn v Kolar/Rosol | 3-6,6-3,8-10 |
| Challenger Split MD | 2021/04/07 13:25 | Ajdukovic/Jakic v Kolar/Rosol | 4-6,1-6 |
| Challenger Prostejov MD | 2020/09/11 12:30 | Balaji/Sharan v Kolar/Rosol | 2-6,6-2,6-10 |
| Challenger Prostejov MD | 2020/09/10 14:00 | Arends/Pel v Kolar/Rosol | 1-6,6-1,7-10 |
| Challenger Prostejov MD | 2020/09/09 14:15 | Kolar/Rosol v Erlich/Vasilevski | 6-4,6-4 |
| Challenger Prostejov MD | 2020/09/08 15:15 | Kolar/Rosol v Galloway/Verdugo | 6-3,7-5 |
| Challenger Split MD | 2021/04/14 13:00 | Gojo/Serdarusic v Golubev/Nedovyesov | 7-6,6-7,7-10 |
| Challenger Split MD | 2021/04/10 14:35 | Golubev/Nedovyesov v Walkow/Zielinski | 7-5,6-7,10-5 |
| Challenger Split MD | 2021/04/09 12:45 | Golubev/Nedovyesov v Kolar/Rosol | 6-2,2-6,10-6 |
| Challenger Split MD | 2021/04/08 11:00 | Golubev/Nedovyesov v Brown/Margaroli | 6-2,6-1 |
| Challenger Split MD | 2021/04/07 11:05 | Golubev/Nedovyesov v Krolo/Mikrut | 6-1,6-3 |
| Challenger Zadar MD | 2021/03/26 13:45 | Golubev/Nedovyesov v Klein/Molcan | 3-6,4-6 |
| Challenger Zadar MD | 2021/03/25 11:55 | Golubev/Nedovyesov v Brkic/Serdarusic | 1-6,6-2,12-10 |
| Challenger Zadar MD | 2021/03/23 14:40 | Golubev/Nedovyesov v Bortolotti/Giannessi | 6-4,6-4 |