Marcelo Rios defeated George Bastl 6-3 7-5 in the Gstaad round of 16 on clay. The result followed the form book — Marcelo Rios came in leading the head-to-head 1–0, defending last year's round of 16. Marcelo Rios extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-30 | US Open | R64 | hard | Marcelo Rios | 4-6 6-3 6-2 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 (165 vs 112). ATP, WTA & Challenger.