The fifth day of the Australian Open saw the top stars stamp their class on the lesser mortals meaning it was business as usual on the court. However Laura Robson did cause a flutter by ousting Petra Kvitova. (AFP Photos)
Maria Sharapova handed a tennis lesson to Venus Williams to win the match 6-1, 6-3.
China's top player Li Na breezed past Romania's Sorana Cirstea in straight sets winning 6-4, 6-1 to ensure a place in the Australian Open's fourth round.
Novak Djokovic who later in the day was extremely critical of Lance Armstrong's taking of drugs, did not waste time on Radek Stepanek 6-4, 6-3, 7-5.
Kei Nishikori won 7-6 (7/3), 6-2, 6-3 to book his place in the last 16 beating Evgeny Donskoy.
Laura Robson caused an upset defeating Petra Kvitova in a hard fought match 2-6, 6-3, 11-9.
Angelique Kerber celebrated her 25th birthday with a 6-2, 7-5 win over Madison Keys.
Agnieszka Radwanska won her 12th match in a row beating Heather Watson a 6-3, 6-1.