Indian Wells - World number three Stan Wawrinka out-lasted rising star Dominic Thiem 6-4, 4-6, 7-6 (7/2) on Thursday to reach the semi-finals of the Indian Wells Masters for the first time.
Wawrinka, the highest-ranked player left in the field after the early exits of world number one Andy Murray and number two Novak Djokovic, next faces Spain's Pablo Carreno Busta, a 6-1, 3-6, 7-6 (7/4) winner over Uruguay's Pablo Cuevas.
Results on Thursday in the BNP Paribas Open ATP Masters/WTA tournament in Indian Wells, California (x denotes seeded player):Men
Quarter-finals
Pablo Carreno Busta (ESP x21) bt Pablo Cuevas (URU x27) 6-1, 3-6, 7-6 (7/4)
Women
Quarter-finals
Kristina Mladenovic (FRA x28) bt Caroline Wozniacki (DEN x13) 3-6, 7-6 (7/4), 6-2
Elena Vesnina (RUS x14) bt Venus Williams (USA x12) 6-2, 4-6, 6-3