Stadium: Centre Court Round: 27 Ground: Hardcourt indoor
| Challenger St. Petersburg MD | 2021/03/10 12:30 | Sultanov/Uzakov v 코프리바 V / 블벤스키 M | 3-6,1-6 |
| Challenger Helsinki MD | 2019/11/12 16:00 | 코프리바 V / 블벤스키 M v 두라소비치 빅 / 폴자크 다 | 6-1,2-6,4-10 |
| Challenger Bratislava MD | 2019/06/18 13:50 | 클렉 I / 스프로치 D v 코프리바 V / 블벤스키 M | 7-6,6-0 |
| Challenger St. Petersburg MD | 2021/03/10 14:30 | Golubev/Tiurnev v De Jong/Verbeek | 4-6,6-7 |
| Challenger St. Petersburg MD | 2021/03/06 13:45 | De Jong/Verbeek v Eubanks/Quiroz | 4-6,3-6 |
| Challenger St. Petersburg MD | 2021/03/05 13:45 | De Jong/Verbeek v Bega/Mansouri | 6-2,6-3 |
| Challenger St. Petersburg MD | 2021/03/04 12:45 | De Jong/Verbeek v 코토브 파 / 사피울린 로 | 6-2,6-2 |
| Challenger St. Petersburg MD | 2021/03/03 11:00 | De Jong/Verbeek v Kirkin/Molleker | 6-2,3-6,10-6 |