Igor Zelenay defeated Bertrand Contzler 6-1 7-6 in the France F15 qualifying round on hard. The upset overturned the form book — Bertrand Contzler came in leading the head-to-head 2–0. Igor Zelenay claimed a first win over Bertrand Contzler in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-01-12 | Germany F2 | R16 | hard | Bertrand Contzler | 6-4 6-2 |
| 2003-07-21 | France F14 | R16 | hard | Bertrand Contzler | 2-6 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.