Five-time former champion Roger Federer sent out a powerful message to his US Open title rivals on Monday night as he thumped Juan Monaco 6-1, 6-2, 6-0 in a fourth-round match that finished at 1:13am in New York.

After the toils of his second-round match, when he fought back from two sets down to beat Robin Haase, World No. 4 Andy Murray promised his fans less of a rollercoaster in his next match and he delivered. The Scot breezed past Spanish No. 25 seed Feliciano Lopez 6-1, 6-4, 6-2 on Sunday night to reach the US Open fourth round.

World No. 1 Novak Djokovic claimed his 60th match win of the season on Saturday night as he dismissed Nikolay Davydenko 6-3, 6-4, 6-2 to reach the US Open fourth round in New York.

Former World No. 1 and 2003 US Open champion Andy Roddick kept upcoming American talent Jack Sock at bay on Friday night at Flushing Meadows as he reached the third round with a 6-3, 6-3, 6-4 win.

Five-time champion Roger Federer needed just one hour and 17 minutes to record a 6-3, 6-2, 6-2 win over Israeli Dudi Sela on Thursday at Flushing Meadows. Federer hit 31 winners and broke Sela five times from 11 opportunities.

Fourth seed Andy Murray came through an early test to beat World No. 64 Somdev Devvarman of India 7-6(5) 6-2, 6-3 on Wednesday at the US Open.