Complex sentence: Roddick's London Olympics campaign began with a victory over Martin Kližan 7-5,6-4, perhaps, in the second round, Andy lost 2--6,1--6 to world no.2 Novak Djokovic.
Split into simpler sentences: Roddick's London Olympics campaign began with a 7-5,6-4 victory over Martin Kližan. In the second round, Andy lost 2--6,1--6 to world no.2 Novak Djokovic.