Tihomir Grozdanov defeated David Savic 6-3 6-2 in the Bulgaria F1 round of 16 on clay. The upset overturned the form book — David Savic came in leading the head-to-head 2–1, but Tihomir Grozdanov had been the form player, winning 5 of their last 6 on clay. Tihomir Grozdanov narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-28 | Serbia F3 | QF | clay | Tihomir Grozdanov | 6-3 7-6(2) |
| 2006-06-12 | Macedonia F2 | R32 | clay | David Savic | 6-2 6-2 |
| 2004-05-03 | Bulgaria 1 1 | R32 | clay | David Savic | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.