Stadium: Center Court Round: 29 Ground: Hardcourt outdoor
| Challenger Istanbul MD | 2021/09/17 11:15 | Sancic/Sitak v Gonzales/Johnson | 4-6,6-2,10-5 |
| Challenger Istanbul MD | 2021/09/16 13:30 | Sancic/Sitak v Blancaneaux/Fabbiano | 6-0,6-7,13-11 |
| Challenger Istanbul MD | 2021/09/15 10:30 | Sancic/Sitak v Agabigun/Altuna | 6-2,6-3 |
| Challenger Saint-Tropez MD | 2021/09/04 16:25 | Arneodo/Guinard v Sancic/Sitak | 6-7,4-6 |
| Challenger Saint-Tropez MD | 2021/09/04 14:45 | Grenier/Muller v Sancic/Sitak | 2-6,6-3,5-10 |
| Challenger Saint-Tropez MD | 2021/09/02 15:10 | Chazal/Tessa v Sancic/Sitak | 2-6,4-6 |
| Challenger Saint-Tropez MD | 2021/09/01 12:35 | Fabbiano/Masur v Sancic/Sitak | 6-7,2-6 |
| Challenger Luedenscheid MD | 2021/08/18 12:35 | Moeller/Sandkaulen v Sancic/Sitak | 6-1,6-2 |
| Challenger Istanbul MD | 2021/09/17 11:55 | Albot/Cozbinov v Cerretani/Fallert | 7-6,6-3 |
| Challenger Istanbul MD | 2021/09/16 14:35 | Hsu/Karlovskiy v Albot/Cozbinov | 5-7,6-3,3-10 |
| Challenger Istanbul MD | 2021/09/15 13:00 | Albot/Cozbinov v Bublik/Golubev | 6-1,6-2 |
| ATP Cup MD | 2020/01/07 02:10 | Murray/Salisbury v Albot/Cozbinov | 6-2,6-3 |
| ATP Cup MD | 2020/01/05 03:30 | Dimitrov/Lazarov v Albot/Cozbinov | 4-6,6-7 |
| ATP Cup MD | 2020/01/03 05:10 | Gille/Vliegen v Albot/Cozbinov | 6-7,7-6,11-9 |