Lars Uebel defeated Valentin Sanon 6-2 6-4 in the Greece Masters 2 round of 32 on hard. The upset overturned the form book — Valentin Sanon came in leading the head-to-head 1–0. Lars Uebel claimed a first win over Valentin Sanon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-31 | Israel Masters 2 | R32 | hard | Valentin Sanon | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.