Denisa Allertova defeated Zuzana Luknarova 1-6 6-2 7-6 in the Prague 10K round of 32 on clay. The upset overturned the form book — Zuzana Luknarova came in leading the head-to-head 2–0. Denisa Allertova claimed a first win over Zuzana Luknarova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-24 | Prague 10K | R32 | clay | Zuzana Luknarova | 1-6 6-4 6-1 |
| 2011-05-30 | Prerov 25K | R32 | clay | Zuzana Luknarova | 6-4 2-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.