By surface
| Surface | Harald Lengnick | Ian Goolagong |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-01-16 | WTA | Australian Open | Round of 128 | Hard | Samantha Crawford | 6-4 | 3-6 | 0-6 | ||
| 2016-09-12 | WTA | Quebec City | Round of 16 | Hard | Lauren Davis | 4-6 | 1-6 |