Hunter Callahan defeated Patrik Lapin 6-2 6-2 in the Greece F6 qualifying round of 32 on hard.
Callahan H. took it in straight sets.
Hunter Callahan beat Patrik Lapin 6-2 6-2. Umpiry, "Hunter Callahan vs Patrik Lapin — Greece F6 Qualifying Round of 32", https://umpiry.com/match/2016-04-25/callahan-vs-lapin-greece-f6-q32?utm_source=cite (as of 25 April 2016).