Ivaylo Traykov defeated Nikola Ciric 6-4 7-6 in the Bulgaria 1 2 round of 16 on clay. The upset overturned the form book — Nikola Ciric came in leading the head-to-head 1–0, but Ivaylo Traykov had been the form player, winning 2 of their last 6 on clay. Ivaylo Traykov claimed a first win over Nikola Ciric in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-28 | Bulgaria F2 | QF | clay | Nikola Ciric | 3-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.