Stadium: Court Central Round: 27 Ground: Hardcourt indoor
| ITF M15 Allershausen | 2021/09/02 08:55 | Mats Rosenkranz v Niklas Schell | 6-3,7-6 |
| ITF M15 Allershausen | 2021/08/31 10:00 | Mats Rosenkranz v Mika Lipp | 6-1,6-2 |
| ITF M25 Trier | 2021/08/25 11:40 | Mats Rosenkranz v Constantin Schmitz | 1-6,1-6 |
| ITF M15 Oldenzaal | 2021/08/18 14:25 | Mats Rosenkranz v Giles Hussey | 3-6,7-5,4-6 |
| Challenger Meerbusch | 2021/08/10 12:15 | Oscar Otte v Mats Rosenkranz | 6-4,6-4 |
| ITF M25 Wetzlar | 2021/08/05 11:35 | Christopher Heyman v Mats Rosenkranz | 6-4,7-6 |
| ITF M25 Wetzlar | 2021/08/04 08:00 | Mariano Kestelboim v Mats Rosenkranz | 5-7,2-6 |
| ITF M15 Vejle | 2021/07/30 07:50 | August Holmgren v Mats Rosenkranz | 6-2,7-6 |
| US Open | 2021/08/30 18:20 | Pierre-Hugues Herbert v Adrian Mannarino | 6-3,6-4,4-6,3-6,3-6 |
| ATP Winston-Salem | 2021/08/25 23:20 | Pierre-Hugues Herbert v Marcos Giron | 6-4,3-6,3-6 |
| ATP Winston-Salem | 2021/08/24 19:00 | Pierre-Hugues Herbert v Federico Coria | 6-4,6-2 |
| ATP Winston-Salem | 2021/08/22 18:00 | Pierre-Hugues Herbert v Tung-Lin Wu | 4-6,3-6 |
| ATP Winston-Salem | 2021/08/21 17:40 | Pierre-Hugues Herbert v Eduardo Nava | 6-7,6-3,6-0 |
| Wimbledon | 2021/06/29 10:00 | Pierre-Hugues Herbert v Pablo Andujar | 6-7,6-4,6-7,7-5,6-8 |
| French Open | 2021/05/31 09:00 | Jannik Sinner v Pierre-Hugues Herbert | 6-1,4-6,6-7,7-5,6-4 |
| ATP Lyon | 2021/05/17 14:55 | Pierre-Hugues Herbert v Sebastian Korda | 6-7,4-6 |