Alexandre Strambini defeated Matthias Muller 2-6 6-4 6-4 in the Switzerland 1 Masters 2 round of 16 on clay. The upset overturned the form book — Matthias Muller came in leading the head-to-head 1–0. Alexandre Strambini claimed a first win over Matthias Muller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-16 | Switzerland 2 Masters 4 | R32 | carpet | Matthias Muller | 7-6 6-3 |