Steven Diez defeated Lukas Lacko 6-4 6-2 in the Roland Garros qualifying round of 128 on clay.
Diez S. took it in straight sets.
Steven Diez beat Lukas Lacko 6-4 6-2. Umpiry, "Steven Diez vs Lukas Lacko — Roland Garros Qualifying Round of 128", https://umpiry.com/match/2017-05-22/diez-vs-lacko-roland-garros-q128?utm_source=cite (as of 22 May 2017).