It was a bad day at the office for Kevin Anderson and Channelle Scheepers at the Indian Wells tournament in California yesterday.
Top seed Novak Djokovic continued his domination over Kevin Anderson, rolling over the South African 6-2, 6-3 in the third round.
The world number one Djokovic advances to the fourth round where he will play Spaniard Pablo Andujar.
Eight seed American Mardy Fish went down 6 3 6 4 to the Australian Matthew Ebden.
In the ladies championship, French seventh seed Marion Bartoli ran down Chanie Scheepers 6-2, 6-0.
Second seed Maria Sharapova, struggled past Romanian Simona Halep 6-3, 6-4.
US Open Champion Samantha Stosur went down to Russian Nadia Petrova 6-1, 6-7 7-6 after saving match points in the second and third sets.