Arthur De Greef defeated Daniel Masur 6-3 6-4 in the Roland Garros qualifying round of 32 on clay.
De Greef A. took it in straight sets.
Arthur De Greef beat Daniel Masur 6-3 6-4. Umpiry, "Arthur De Greef vs Daniel Masur — Roland Garros Qualifying Round of 32", https://umpiry.com/match/2017-05-26/greef-vs-masur-roland-garros-q32?utm_source=cite (as of 26 May 2017).