Stadium: Centre Court Round: 1 Ground: Hardcourt indoor
| ATP Toronto MD | 2021/08/14 16:30 | Mektic/Pavic v Krawietz/Tecau | 7-6,7-6 |
| ATP Rotterdam MD | 2021/03/07 11:45 | Krawietz/Tecau v Mektic/Pavic | 6-7,2-6 |
| ATP Paris MD | 2021/11/04 10:00 | Mektic/Pavic v Gille/Vliegen | 3-6,6-7 |
| ATP Vienna MD | 2021/10/28 20:55 | Mektic/Pavic v Gille/Koepfer | 6-3,6-7,9-11 |
| ATP Vienna MD | 2021/10/25 12:00 | Mektic/Pavic v Puetz/Venus | 6-4,6-4 |
| ATP Indian Wells MD | 2021/10/14 04:05 | Mektic/Pavic v Peers/Polasek | 2-6,3-6 |
| ATP Indian Wells MD | 2021/10/12 23:30 | Mektic/Pavic v Arevalo/Middelkoop | 6-1,6-3 |
| ATP Indian Wells MD | 2021/10/11 01:00 | Mektic/Pavic v McDonald/Nakashima | 6-2,6-2 |
| US Open MD | 2021/09/02 20:30 | Mektic/Pavic v Lammons/Withrow | 2-6,5-7 |
| ATP Cincinnati MD | 2021/08/19 23:00 | Mektic/Pavic v Hurkacz/Sinner | 7-6,5-7,5-10 |
| ATP Paris MD | 2021/11/04 11:45 | Krawietz/Tecau v Martin/Mies | 3-6,3-6 |
| ATP Indian Wells MD | 2021/10/14 01:00 | Krawietz/Tecau v Puetz/Venus | 4-6,2-6 |
| ATP Indian Wells MD | 2021/10/11 22:30 | Krawietz/Tecau v Johnson/Querrey | 7-6,7-6 |
| ATP Indian Wells MD | 2021/10/08 19:20 | Krawietz/Tecau v Krajinovic/Lajovic | 6-2,6-3 |
| US Open MD | 2021/09/07 20:30 | Johnson/Querrey v Krawietz/Tecau | 6-2,7-6 |
| US Open MD | 2021/09/05 15:00 | Gonzalez/Molteni v Krawietz/Tecau | 2-6,6-7 |
| US Open MD | 2021/09/04 17:00 | Nielsen/Pospisil v Krawietz/Tecau | 6-7,6-7 |
| US Open MD | 2021/09/02 23:55 | Fucsovics/Travaglia v Krawietz/Tecau | 3-6,2-6 |