Serena Williams reaches US Open semi-finals with win over Karolina Pliskova
Serena Williams passes her toughest test so far at the US Open to beat Karolina Pliskova and reach the semi-finals.
Source: http://www.bbc.co.uk/sport/tennis/45416784
Serena Williams passes her toughest test so far at the US Open to beat Karolina Pliskova and reach the semi-finals.
Source: http://www.bbc.co.uk/sport/tennis/45416784