Pablo Bianchi defeated Jan Weinzierl 6-4 7-5 in the Netherlands F1 round of 16 on clay. The upset overturned the form book — Jan Weinzierl came in leading the head-to-head 2–0. Pablo Bianchi claimed a first win over Jan Weinzierl in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-05-28 | Germany F4A | R16 | clay | Jan Weinzierl | 7-6(6) 6-2 |
| 1998-11-23 | Uruguay F1 | R16 | clay | Jan Weinzierl | 7-5 1-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.