stadio: Center Court Round: 28 Ground: Hardcourt outdoor
| Challenger Istanbul DM | 2021/09/16 13:30 | Sancic/Sitak v Blancaneaux/Fabbiano | 6-0,6-7,13-11 |
| Challenger Istanbul DM | 2021/09/15 10:30 | Sancic/Sitak v Agabigun/Altuna | 6-2,6-3 |
| Challenger St. Tropez DM | 2021/09/04 16:25 | Arneodo/Guinard v Sancic/Sitak | 6-7,4-6 |
| Challenger St. Tropez DM | 2021/09/04 14:45 | Grenier/Muller v Sancic/Sitak | 2-6,6-3,5-10 |
| Challenger St. Tropez DM | 2021/09/02 15:10 | Chazal/Tessa v Sancic/Sitak | 2-6,4-6 |
| Challenger St. Tropez DM | 2021/09/01 12:35 | Fabbiano/Masur v Sancic/Sitak | 6-7,2-6 |
| Challenger Luedenscheid DM | 2021/08/18 12:35 | Moeller/Sandkaulen v Sancic/Sitak | 6-1,6-2 |
| Challenger Meerbusch DM | 2021/08/13 15:00 | Sancic/Sitak v Brown/Haase | 4-6,4-6 |
| Challenger Istanbul DM | 2021/09/16 15:15 | Gonzales/Johnson v Kirci/Setkic | 6-0,6-2 |
| Challenger Istanbul DM | 2021/09/15 12:05 | Gonzales/Johnson v Arnaboldi/Giustino | 6-4,6-3 |
| Challenger Kiev DM | 2021/09/10 08:00 | Luz/Nedovyesov v Gonzales/Johnson | 6-4,6-4 |
| Challenger Kiev DM | 2021/09/09 13:00 | Gonzales/Johnson v Gakhov/Rybakov | 6-2,7-6 |
| Challenger Kiev DM | 2021/09/08 14:45 | Gonzales/Johnson v Clarke/Kirkin | 7-6,6-4 |
| Challenger Maiorca DM | 2021/09/02 19:00 | Gonzales/Johnson v Romboli/Zielinski | 6-3,1-6,11-13 |
| Challenger Maiorca DM | 2021/08/31 12:25 | Tan/Trouve v Gonzales/Johnson | 4-6,1-6 |
| Challenger Meerbusch DM | 2021/08/12 14:00 | Brown/Haase v Gonzales/Johnson | 6-0,6-4 |