Markus Kanellos defeated Mehdi Tahiri 6-1 6-3 in the Algeria F1 round of 16 on clay. The upset overturned the form book — Mehdi Tahiri came in leading the head-to-head 1–0. Markus Kanellos claimed a first win over Mehdi Tahiri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-10-23 | Greece F6 | R32 | hard | Mehdi Tahiri | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.