Marco Chiudinelli defeated Luben Pampoulov 7-6 6-2 in the Switzerland 1 Masters 2 round of 32 on carpet. The upset overturned the form book — Luben Pampoulov came in leading the head-to-head 1–0. Marco Chiudinelli claimed a first win over Luben Pampoulov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-16 | Switzerland 2 Masters 3 | F | carpet | Luben Pampoulov | 7-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.