Petr Vodak defeated Chas Okamoto 6-2 6-4 in the Germany F6 qualifying round of 64 on clay.
Vodak P. took it in straight sets.
Petr Vodak beat Chas Okamoto 6-2 6-4. Umpiry, "Petr Vodak vs Chas Okamoto — Germany F6 Qualifying Round of 64", https://umpiry.com/match/2013-06-17/okamoto-vs-vodak-germany-f6-q64?utm_source=cite (as of 17 June 2013).