Tennis : Alexander Zverev beats Sam Querrey in straight sets in the China Open quarter-finals

Second seed Alexander Zverev is through to the semi-finals of the China Open following a straight-sets victory over American Sam Querrey. A tight first set went to a tie-break before Zverev cruised through the second in just 26 minutes to wrap up a 7-6 (7-3), 6-2 victory. The German world number six will play Stefanos Tsitsipas in the last four