Nicolas Lapentti defeated Marcelo Rios 3-6 6-4 6-4 in the Basel round of 32 on hard. The upset overturned the form book — Marcelo Rios came in leading the head-to-head 5–0. Nicolas Lapentti claimed a first win over Marcelo Rios in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-07 | Davis Cup G1 R1: ECU vs CHI | RR | clay | Marcelo Rios | 3-6 6-4 7-6(0) 7-6(5) |
| 2002-01-14 | Australian Open | R16 | hard | Marcelo Rios | 7-5 6-1 6-4 |
| 1999-10-25 | Stuttgart Masters | R16 | carpet | Marcelo Rios | 6-4 6-3 |
| 1998-01-12 | Auckland | R32 | hard | Marcelo Rios | 6-3 6-3 |
| 1997-02-07 | Davis Cup G1 QF: CHI vs ECU | RR | clay | Marcelo Rios | 7-5 6-7(6) 6-3 6-7(6) 8-6 |
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 165). ATP, WTA & Challenger.