David Klier defeated Ivaylo Traykov 7-5 3-6 6-4 in the Bulgaria 1 1 semi-final on clay. The result followed the form book — David Klier came in leading the head-to-head 1–0. David Klier extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-01 | Bulgaria 1 4 | F | clay | David Klier | 6-7(3) 7-6(1) 6-4 |