Stadium: TC Pau 1 Round: 26 Ground: Hardcourt indoor
| Challenger Kyiv MD | 2021/09/11 12:50 | Luz/Nedovyesov v Molchanov/Stakhovsky | 6-4,6-4 |
| Challenger Kyiv MD | 2021/09/10 08:00 | Eysseric/Halys v Molchanov/Stakhovsky | 6-7,4-6 |
| Challenger Kyiv MD | 2021/09/09 13:50 | Bondarevskiy/Prihodko v Molchanov/Stakhovsky | 2-6,4-6 |
| Challenger Kyiv MD | 2021/09/08 12:20 | Beloborodko/Orlov v Molchanov/Stakhovsky | 4-6,6-7 |
| Challenger Lugano MD | 2021/03/27 12:00 | Begemann/Vavassori v Molchanov/Stakhovsky | 7-6,4-6,10-8 |
| Challenger Lugano MD | 2021/03/26 16:05 | Molchanov/Stakhovsky v Walkow/Zielinski | 4-6,7-6,10-4 |
| Challenger Lugano MD | 2021/03/25 16:00 | Lenz/Masur v Molchanov/Stakhovsky | 5-7,6-3,12-14 |
| Challenger Lugano MD | 2021/03/23 16:10 | Marrero/Menendez-Maceiras v Molchanov/Stakhovsky | 6-4,4-6,4-10 |
| Challenger Trieste MD | 2021/07/28 08:00 | Bortolotti/Lock v Dubrivnyy/Yevseyev | 6-7,6-2,7-10 |
| Challenger Forli MD | 2021/06/18 13:00 | Cachin/Ugo Carabelli v Bortolotti/Lock | 7-6,2-6,11-9 |
| Challenger Forli MD | 2021/06/17 15:40 | Bega/Berrettini v Bortolotti/Lock | 4-6,6-7 |