Vladimir Voltchkov defeated Mark De Jong 6-1 6-4 in the Spain F28 round of 16 on clay.
Voltchkov V. took it in straight sets.
Vladimir Voltchkov beat Mark De Jong 6-1 6-4. Umpiry, "Vladimir Voltchkov vs Mark De Jong — Spain F28 Round of 16", https://umpiry.com/match/2007-07-23/jong-vs-voltchkov-spain-f28-r16?utm_source=cite (as of 23 July 2007).