Mehdi Tahiri defeated Markus Kanellos 6-2 6-0 in the Greece F6 round of 32 on hard. The upset overturned the form book — Markus Kanellos came in leading the head-to-head 1–0. Mehdi Tahiri claimed a first win over Markus Kanellos in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-26 | Algeria F1 | R16 | clay | Markus Kanellos | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.