By surface
| Surface | Christian Hubscher | Martin Chajdas |
|---|---|---|
| Hard | 4 | 0 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-08-12 | WTA | Cincinnati | Final | Hard | Madison Keys | 5-7 | 6-75 | |||
| 2016-10-03 | WTA | Beijing | Round of 16 | Hard | Madison Keys | 6-72 | 2-6 | |||
| 2015-01-12 | WTA | Sydney | Round of 32 | Hard | Madison Keys | 4-6 | 4-6 | |||
| 2014-08-04 | WTA | Montreal | Round of 64 | Hard | Madison Keys | 1-6 | 2-3 |