Alexandros Jakupovic defeated Markos Kalovelonis 6-3 5-7 7-5 in the Greece F10 semi-final on hard. The upset overturned the form book — Markos Kalovelonis came in leading the head-to-head 1–0. Alexandros Jakupovic claimed a first win over Markos Kalovelonis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-04 | Greece F18 | R32 | hard | Markos Kalovelonis | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.