The tennis world reacts to Russia's stunning quarterfinal loss in hockey at the Sochi Olympics, Laura Robson has Dillon on her mind and Ivo Karlovic gets mistaken for a fellow ATP pro. Here are the tweets of the week.
(Roddick played in a pro-am tournament at the Delray Beach Open this week.)
(Vesnina and fellow Russian Ekaterina Makarova defeated Venus and Serena Williams in the first round of the Dubai Championships.)
(Maria Kirilenko is engaged to Russian star Alexander Ovechkin, who was criticized after the Olympic hockey loss to Finland.)