'Checks' launched after abnormally high bets placed during 2nd set with Spaniard Bernabe Zapata Miralles, which lasted unusually short 16 minutes; Sela denies any impropriety

Karatsev and partner defeat world no. 1 Djokovic at semifinal, will face another Russian duo in battle for gold

Aslan Karatsev and his partner, Russian Elena Vesnina, lose out to Desirae Krawczyk of the US and Joe Salisbury of Britain for mixed doubles title

Jewish Argentinian 10th seed beats Germany's Struff in straight sets; last year he was beaten by Spain's 13-time champion in semis

Argentine player says he 'deserved to win' five-hour marathon match against third seed Dominic Thiem, setting him up for possible faceoff against Rafael Nadal