The Davis Cup matches were played last week and, as you already know, the Czech Republic met Serbia and eventually won.
An unusual fact happened at the end of the Stepanek vs Tipsarevic match though, as the Czech player refused to shake Tipsarevic's hand and gave him a slight middle finger gesture instead.
Video - http://youtu.be/IX6LUlzA74Q
Tipsarevic was, as I would have been in his place, furious. What's the matter with these people? Tennis was supposed to be a gentlemen's sport...
P.S.: There's an interview with Tipsarevic available in which he probably explains what happened there but I don't know the language -