Round: 26 Ground: Clay
| Challenger Almaty MD | 2021/06/11 09:55 | Basic/Serdarusic v Manafov/Tiurnev | 6-4,3-6,9-11 |
| Challenger Almaty MD | 2021/06/10 07:40 | Basic/Serdarusic v Bergs/Coppejans | 6-3,7-6 |
| Challenger Almaty MD | 2021/06/09 07:25 | M R Alves/Menezes v Basic/Serdarusic | 3-6,0-6 |