Matthias Muller defeated Zeljko Krajan 7-5 6-4 in the Greece 4 Masters 3 qualifying round on hard. The upset overturned the form book — Zeljko Krajan came in leading the head-to-head 1–0. Matthias Muller claimed a first win over Zeljko Krajan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-25 | Greece 4 Masters 4 | R32 | hard | Zeljko Krajan | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.