Andy Zingman defeated Juan Ignacio Chela 7-6 2-6 6-4 in the Argentina 1 Masters 3 round of 32 on clay. The upset overturned the form book — Juan Ignacio Chela came in leading the head-to-head 1–0, but Andy Zingman had been the form player, winning 2 of their last 5 on clay. Andy Zingman claimed a first win over Juan Ignacio Chela in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-27 | Brazil F2 | SF | hard | Juan Ignacio Chela | 6-4 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