Konstantinos Economidis defeated Alexandros Jakupovic 6-3 1-6 6-0 in the Greece F4 qualifying round on clay. The result followed the form book — Konstantinos Economidis came in leading the head-to-head 4–0. Konstantinos Economidis extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-30 | Turkey F3 | QF | clay | Konstantinos Economidis | 6-3 4-6 6-2 |
| 2006-03-20 | Australia F4 | SF | clay | Konstantinos Economidis | 6-3 6-3 |
| 2003-10-06 | Greece F3 | R16 | clay | Konstantinos Economidis | 7-5 0-6 7-6(2) |
| 1999-09-25 | Greece 2 Masters 2 | R32 | clay | Konstantinos Economidis | 6-7 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.