SportsTennis: Underdog Flipkens reaches Wimbledon semi-finalsAFPJuly 3, 2013July 3, 2013 by AFPJuly 3, 2013July 3, 2013 LONDON: Kirsten Flipkens reached her first Wimbledon semi-final as the Belgian 20th seed clinched a surprise 4-6, 6-3, 6-4 win over former champion Petra Kvitova...