Edgardo Massa defeated Guillermo Coria 6-3 2-6 6-3 in the Argentina 1 Masters 3 round of 32 on clay. The upset overturned the form book — Guillermo Coria came in leading the head-to-head 1–0, but Edgardo Massa had been the form player, winning 2 of their last 5 on clay. Edgardo Massa claimed a first win over Guillermo Coria in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-19 | Argentina F4 | QF | clay | Guillermo Coria | 5-7 6-1 6-1 |
Averages over each player's completed matches in the selected window (24 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. About