Stadium: Center Court Round: 28 Ground: Clay
| Challenger Prostejov MD | 2021/06/16 13:35 | Kopriva/Lehecka v Jebavy/Kolar | 4-6,6-3,13-15 |
| Challenger Prostejov MD | 2021/06/15 12:40 | Jurajda/Svrcina v Jebavy/Kolar | 4-6,6-7 |
| Challenger Bratislava MD | 2021/06/09 14:00 | Klein/Molcan v Jebavy/Kolar | 7-6,6-4 |
| Challenger Poprad Tatry MD | 2018/06/21 13:30 | Jebavy/Kolar v Cacic/Margaroli | 6-7,6-3,9-11 |
| Challenger Prostejov MD | 2021/06/16 13:00 | Kovalik/Zelenay v Arends/Martinez | 6-7,1-6 |
| Challenger Prostejov MD | 2021/06/15 14:25 | Poljak/Pospisil v Arends/Martinez | 2-6,4-6 |
| Challenger Bratislava MD | 2021/06/12 10:30 | Molchanov/Nedovyesov v Arends/Martinez | 7-6,6-1 |
| Challenger Bratislava MD | 2021/06/11 11:30 | Jaziri/Rola v Arends/Martinez | 4-6,1-6 |
| Challenger Bratislava MD | 2021/06/10 15:25 | Horansky/Karol v Arends/Martinez | 2-6,6-7 |
| ATP Belgrade MD | 2021/05/25 15:20 | Arends/Martinez v Erlich/Vasilevski | 3-6,6-0,6-10 |
| ATP Belgrade MD | 2021/05/24 16:00 | Behar/Escobar v Arends/Martinez | 7-5,6-7,4-10 |