Stadium: COURT 1 Round: 27 Ground: Hardcourt indoor
| ATP Moscow MD | 2021/10/20 08:00 | Gonzalez/Molteni v Golubev/Nys | 7-5,6-7,10-7 |
| ATP St Petersburg MD | 2021/10/27 14:45 | Brkic/Cacic v Gonzalez/Molteni | 4-6,6-2,7-10 |
| ATP Moscow MD | 2021/10/22 10:10 | Behar/Escobar v Gonzalez/Molteni | 7-5,3-6,10-7 |
| ATP Moscow MD | 2021/10/20 08:00 | Gonzalez/Molteni v Golubev/Nys | 7-5,6-7,10-7 |
| ATP Sofia MD | 2021/10/02 10:05 | Marach/Oswald v Gonzalez/Molteni | 2-6,7-5,10-6 |
| ATP Sofia MD | 2021/10/01 09:00 | Gonzalez/Molteni v Brkic/Cacic | 6-7,6-2,10-4 |
| ATP Sofia MD | 2021/09/30 11:50 | Gonzalez/Molteni v Milushev/Shandarov | 6-3,6-4 |
| ATP Nur-Sultan MD | 2021/09/26 06:00 | Gonzalez/Molteni v Erlich/Vasilevski | 6-1,6-2 |
| ATP Nur-Sultan MD | 2021/09/25 06:00 | Gonzalez/Molteni v Berankis/Sitak | 6-4,6-0 |
| ATP St Petersburg MD | 2021/10/26 14:40 | Bublik/Ivashka v Golubev/Nys | 3-6,1-6 |
| ATP Moscow MD | 2021/10/20 08:00 | Gonzalez/Molteni v Golubev/Nys | 7-5,6-7,10-7 |
| ATP Marseille MD | 2021/03/10 16:45 | Ebden/Reid v Golubev/Nys | 6-4,7-5 |
| ATP Montpellier MD | 2021/02/23 16:35 | Golubev/Nys v Humbert/Tsonga | 3-6,4-6 |