Nino Serdarusic defeated Josko Topic 6-2 7-6 in the Bosnia & Herzegovina F5 round of 16 on clay. The upset overturned the form book — Josko Topic came in leading the head-to-head 1–0. Nino Serdarusic claimed a first win over Josko Topic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-11 | Bosnia & Herzegovina F1 | QF | clay | Josko Topic | 2-6 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.