Wesley Koolhof defeated Stefan De Jong 6-1 6-2 in the Germany F3 qualifying round of 16 on carpet.
Koolhof W. took it in straight sets.
Wesley Koolhof beat Stefan De Jong 6-1 6-2. Umpiry, "Wesley Koolhof vs Stefan De Jong — Germany F3 Qualifying Round of 16", https://umpiry.com/match/2013-01-21/jong-vs-koolhof-germany-f3-q16?utm_source=cite (as of 21 January 2013).