Wesley Koolhof defeated Robert Constantinovici 6-3 6-3 in the Netherlands F4 round of 32 on clay.
Koolhof W. took it in straight sets.
Wesley Koolhof beat Robert Constantinovici 6-3 6-3. Umpiry, "Wesley Koolhof vs Robert Constantinovici — Netherlands F4 Round of 32", https://umpiry.com/match/2013-07-01/constantinovici-vs-koolhof-netherlands-f4-r32?utm_source=cite (as of 1 July 2013).