Daniil Zarichanskyy defeated Igor Zubov 6-4 6-1 in the Latvia F1 qualifying round of 32 on clay. The upset overturned the form book — Igor Zubov came in leading the head-to-head 1–0. Daniil Zarichanskyy claimed a first win over Igor Zubov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-20 | Lithuania F1 | Q16 | clay | Igor Zubov | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.