Vladimir Voltchkov defeated Victor Kozin 6-4 6-3 in the Russia F4 semi-final on clay.
Voltchkov V. took it in straight sets.
Vladimir Voltchkov beat Victor Kozin 6-4 6-3. Umpiry, "Vladimir Voltchkov vs Victor Kozin — Russia F4 Semi-final", https://umpiry.com/match/2007-08-20/kozin-vs-voltchkov-russia-f4-sf?utm_source=cite (as of 20 August 2007).