Juan Balcells defeated German Lopez 7-6 6-1 in the Spain 1 Masters 3 round of 16 on clay. The upset overturned the form book — German Lopez came in leading the head-to-head 2–0, but Juan Balcells had been the form player, winning 6 of their last 10 on clay. Juan Balcells claimed a first win over German Lopez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-02-28 | Spain 3 Masters 3 | QF | clay | German Lopez | 7-6 6-4 |
| 1996-05-10 | Spain 4 Masters 3 | R16 | clay | German Lopez | 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.