By surface
| Surface | Joao Lagos | Theo Storck |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-22 | ATP | Davis Cup EUR PQ: LUX vs POR | Round Robin | Clay | Joao Lagos | 6-2 | 6-1 | 7-5 |
| Surface | Joao Lagos | Theo Storck |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-08-22 | ATP | Davis Cup EUR PQ: LUX vs POR | Round Robin | Clay | Joao Lagos | 6-2 | 6-1 | 7-5 |