By surface
| Surface | Sergio Casal | Ken Flach |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1986-02-10 | ATP | Boca West | Round of 128 | Hard | Sergio Casal | 6-4 | 6-4 |
| Surface | Sergio Casal | Ken Flach |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1986-02-10 | ATP | Boca West | Round of 128 | Hard | Sergio Casal | 6-4 | 6-4 |