Marcelo Rios defeated Younes El Aynaoui 1-6 6-3 6-4 in the Monte Carlo Masters round of 32 on clay. Marcelo Rios extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-05 | Gstaad | R16 | clay | Younes El Aynaoui | 7-6(5) 7-6(5) |
| 1999-05-17 | St. Poelten | SF | clay | Marcelo Rios | 6-1 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (68 vs 148). ATP, WTA & Challenger.