Nicolas Kiefer defeated Marcelo Rios 6-1 7-5 in the Singapore quarter-final on hard. The upset overturned the form book — Marcelo Rios came in leading the head-to-head 1–0. Nicolas Kiefer claimed a first win over Marcelo Rios in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-09 | Indian Wells Masters | R16 | hard | Marcelo Rios | 6-4 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 (200 vs 200). ATP, WTA & Challenger.