Jan Weinzierl defeated David Sanchez 6-3 6-0 in the Spain 1 Masters 1 round of 16 on clay. The upset overturned the form book — David Sanchez came in leading the head-to-head 2–0. Jan Weinzierl claimed a first win over David Sanchez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-29 | Spain 2 Masters 4 | R32 | clay | David Sanchez | 6-3 6-1 |
| 1999-01-02 | Spain 1 Masters 4 | SF | clay | David Sanchez | 6-0 6-2 |
Averages over each player's completed matches in the selected window (1 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About