Diego Hipperdinger defeated Victor Sendin 6-1 4-6 7-6 in the Spain 1 Masters 4 round of 16 on clay. The upset overturned the form book — Victor Sendin came in leading the head-to-head 2–0. Diego Hipperdinger claimed a first win over Victor Sendin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-01-03 | Spain 1 Masters 2 | QF | clay | Victor Sendin | 6-3 2-6 6-2 |
| 1997-10-17 | Spain 9 Masters 3 | R32 | clay | Victor Sendin | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.