Juan Ignacio Carrasco defeated Matthias Muller 6-2 6-3 in the Greece 4 Masters 3 semi-final on hard. The upset overturned the form book — Matthias Muller came in leading the head-to-head 1–0. Juan Ignacio Carrasco claimed a first win over Matthias Muller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-10-25 | Greece 4 Masters 2 | F | hard | Matthias Muller | 7-6 7-5 |