Serena Williams out of Australian Open with third round shock defeat, Caroline Wozniacki retires from tennis with loss

Serena Williams will have to wait for that record-equalling Grand Slam as Wang Qiang stunned her in the third round of the Australian Open. The shock defeat was her earliest exit at the tournament in 14 years. When they met at the US Open last summer, Wang won just one game and 15 points, but […]