By surface
| Surface | Dayana Yastremska | Paul O'Donoghue |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-08-30 | WTA | US Open | Round of 128 | Hard | Angelique Kerber | 6-3 | 4-6 | 6-73 | ||
| 2020-01-13 | WTA | Adelaide | Round of 16 | Hard | Dayana Yastremska | 6-3 | 2-0 |