By surface
| Surface | Mariano Puerta | Lucas Arnold Ker |
|---|---|---|
| Clay | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1998-11-09 | ATP | Santiago | Round of 16 | Clay | Mariano Puerta | 6-3 | 7-5 | |||
| 1998-10-26 | ATP | Mexico City | Round of 16 | Clay | Mariano Puerta | 6-1 | 6-2 | |||
| 1998-08-10 | ATP | San Marino | Round of 32 | Clay | Mariano Puerta | 6-4 | 4-6 | 6-3 |