Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| ATP Nur-Sultan MD | 2021/09/22 16:00 | Munar/Polmans v Bublik A / Golubev A | 7-6,4-6,10-8 |
| Challenger Istanbul MD | 2021/09/15 13:00 | Albot/Cozbinov v Bublik A / Golubev A | 6-1,6-2 |
| ATP Washington MD | 2021/08/03 23:10 | Klaasen/Mclachlan v Bublik A / Golubev A | 7-5,6-2 |
| Olympics 2020 - MD | 2021/07/24 08:40 | Bublik A / Golubev A v Chardy/Monfils | 7-6,6-7,8-10 |
| Open de France - Doubles Hommes | 2021/06/12 15:15 | Bublik A / Golubev A v Herbert P-H / Mahut N | 6-4,6-7,4-6 |
| Open de France - Doubles Hommes | 2021/06/10 10:00 | Andujar P / Martinez P v Bublik A / Golubev A | 6-1,4-6,4-6 |
| Open de France - Doubles Hommes | 2021/06/07 15:00 | Nys H / Puetz T v Bublik A / Golubev A | 4-6,4-6 |
| Open de France - Doubles Hommes | 2021/06/05 12:25 | Koolhof/Jean-Julien Rojer v Bublik A / Golubev A | 6-7,6-3,4-6 |
| ATP St Petersburg MD | 2021/10/27 14:45 | Brkic T / Cacic N v Gonzalez/Molteni | 4-6,6-2,7-10 |
| ATP Moscow MD | 2021/10/24 11:40 | Brkic T / Cacic N v Heliovaara/Middelkoop | 5-7,6-4,9-11 |
| ATP Moscow MD | 2021/10/22 15:05 | Ivashka/Martinez v Brkic T / Cacic N | 4-6,6-4,8-10 |
| ATP Moscow MD | 2021/10/21 11:00 | Brkic T / Cacic N v Inglot/Skupski | 7-6,5-7,10-8 |
| ATP Moscow MD | 2021/10/18 11:00 | Brkic T / Cacic N v Bublik/Mannarino | 6-2,6-1 |
| ATP Sofia MD | 2021/10/01 09:00 | Gonzalez/Molteni v Brkic T / Cacic N | 6-7,6-2,10-4 |
| ATP Sofia MD | 2021/09/29 10:40 | Golubev A / Nedovyesov A v Brkic T / Cacic N | 3-6,7-6,7-10 |
| ATP Metz MD | 2021/09/24 13:35 | Nys/Rinderknech v Brkic T / Cacic N | 6-3,7-6 |