Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| ATP Antwerp MD | 2021/10/20 13:45 | Marach O / Oswald P v Erlich/Goransson | 4-6,6-4,10-6 |
| ATP Sofia MD | 2021/10/03 11:00 | 오 마라 J / 스쿱스키 K v Marach O / Oswald P | 6-3,6-4 |
| ATP Sofia MD | 2021/10/02 10:05 | Marach O / Oswald P v Gonzalez M / Molteni A | 2-6,7-5,10-6 |
| ATP Sofia MD | 2021/09/30 14:55 | Demoliner/Matos v Marach O / Oswald P | 6-7,6-7 |
| ATP Sofia MD | 2021/09/28 11:00 | Bopanna R / Qureshi A v Marach O / Oswald P | 2-6,7-6,7-10 |
| ATP Metz MD | 2021/09/22 13:20 | Marach O / Oswald P v Hurkacz/Zielinski | 3-6,4-6 |
| ATP Metz MD | 2021/09/21 13:40 | Marach O / Oswald P v 마헛 니 / 포스피실 바 | 6-4,6-3 |
| US Open MD | 2021/09/03 15:00 | Marach O / Oswald P v Erlich/Harris | 2-6,7-6,2-6 |
| ATP Antwerp MD | 2021/10/19 11:00 | Bemelmans/Coppejans v Mahut/Martin | 3-6,2-6 |
| ATP Winston-Salem MD | 2021/08/23 18:00 | 브리킥 T / 카시크 N v Mahut/Martin | 4-6,1-6 |
| ATP Hamburg MD | 2020/09/24 11:50 | 로젤 J-J / 테카우 H v Mahut/Martin | 6-3,7-5 |
| ATP Hamburg MD | 2020/09/23 08:30 | 니엘센 F / 푸에츠 T v Mahut/Martin | 5-7,5-7 |