Todor Enev defeated Nikola Ciric 6-4 4-6 6-2 in the Bulgaria 1 1 round of 16 on clay. The upset overturned the form book — Nikola Ciric came in leading the head-to-head 1–0, but Todor Enev had been the form player, winning 3 of their last 6 on clay. Todor Enev claimed a first win over Nikola Ciric in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-05 | Bulgaria 1 2 | R16 | clay | Nikola Ciric | 7-6(10) 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.