Nicolas Lapentti defeated Andrei Medvedev 6-3 5-7 6-7 6-4 8-6 in the Australian Open round of 128 on hard. The upset overturned the form book — Andrei Medvedev came in leading the head-to-head 1–0, defending last year's round of 64. Nicolas Lapentti claimed a first win over Andrei Medvedev 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 | Andrei Medvedev | 6-1 6-4 |
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 60). ATP, WTA & Challenger.