David Nalbandian defeated Rodrigo Cerdera 6-0 4-6 7-6 in the Argentina F2 round of 16 on clay. The upset overturned the form book — Rodrigo Cerdera came in leading the head-to-head 1–0, but David Nalbandian had been the form player, winning 4 of their last 6 on clay. David Nalbandian claimed a first win over Rodrigo Cerdera in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-03 | Argentina F3 | QF | clay | Rodrigo Cerdera | 2-6 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.