Stadium: Court 9 Round: 24 Ground: Clay
| ATP Rome MD | 2021/05/12 14:00 | Sonego/Vavassori v Mannarino/Paire | 5-7,6-4,8-10 |
| ATP Cagliari MD | 2021/04/10 14:10 | Sonego/Vavassori v Bolelli/Molteni | 6-3,6-4 |
| ATP Cagliari MD | 2021/04/07 11:45 | Sonego/Vavassori v Pellegrino/Zeppieri | 6-1,6-4 |
| ATP Cagliari MD | 2021/04/06 09:00 | Melo/Rojer v Sonego/Vavassori | 3-6,6-3,6-10 |
| ATP Dubai MD | 2021/03/18 11:00 | Cabal/Farah v Sonego/Vavassori | 6-4,6-7,11-9 |
| ATP Dubai MD | 2021/03/17 17:00 | Evans/Haase v Sonego/Vavassori | 1-6,4-6 |
| ATP Dubai MD | 2021/03/14 11:00 | Arevalo/Middelkoop v Sonego/Vavassori | 6-7,5-7 |
| ATP Dubai MD | 2021/03/13 13:00 | Bhambri/Sharan v Sonego/Vavassori | 6-7,5-7 |
| ATP Parma MD | 2021/05/26 09:00 | Gille/Vliegen v Passaro/Travaglia | 7-6,6-4 |
| ATP Rome MD | 2021/05/12 17:25 | Gille/Vliegen v Ram/Salisbury | 3-6,6-2,10-12 |
| ATP Madrid MD | 2021/05/08 12:00 | Gille/Vliegen v Mektic/Pavic | 4-6,2-6 |
| ATP Madrid MD | 2021/05/07 13:00 | Gille/Vliegen v Dodig/Polasek | 6-3,3-6,10-5 |
| ATP Madrid MD | 2021/05/04 15:40 | Gille/Vliegen v Fucsovics/Ruud | 6-3,6-4 |
| ATP Munich MD | 2021/05/02 10:30 | Koolhof/Krawietz v Gille/Vliegen | 4-6,6-4,10-5 |
| ATP Munich MD | 2021/04/30 10:00 | Gille/Vliegen v Brown/Gojowczyk | 6-3,6-7,13-11 |
| ATP Munich MD | 2021/04/27 09:00 | Erlich/Sharan v Gille/Vliegen | 3-6,2-6 |