Ognjen Samardzic defeated Justin Lunn 6-2 4-6 6-2 in the USA F21 q64 on hard. The result followed the form book — Ognjen Samardzic came in leading the head-to-head 2–0. Ognjen Samardzic extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-04-27 | USA F14 | Q128 | clay | Ognjen Samardzic | 7-6(3) 2-6 6-3 |
| 2013-04-29 | USA F11 | Q64 | clay | Ognjen Samardzic | 6-4 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.