Alexandar Lazov defeated Matthew Short 6-4 6-4 in the Serbia F9 round of 16 on clay. The upset overturned the form book — Matthew Short came in leading the head-to-head 2–0. Alexandar Lazov claimed a first win over Matthew Short in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-05 | Serbia F8 | R16 | clay | Matthew Short | 4-6 6-1 7-5 |
| 2012-04-02 | Saudi Arabia F1 | R16 | hard | Matthew Short | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.