By surface
| Surface | Joanna Sakowicz Kostecka | Lynn Blau |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-07 | ATP | Davis Cup WG1 PO: HKG vs FIN | Round Robin | Hard | Otto Virtanen | 5-7 | 2-6 |
| Surface | Joanna Sakowicz Kostecka | Lynn Blau |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-07 | ATP | Davis Cup WG1 PO: HKG vs FIN | Round Robin | Hard | Otto Virtanen | 5-7 | 2-6 |