Cincinnati (Ohio), Aug 20 (DPA) Roger Federer charged out of the blocks to start the Cincinnati Masters with a 6-3, 7-5 victory over Argentine Jose Acasuso Wednesday.

But seventh seed Jo-Wilfried Tsonga, who defeated the Swiss five days ago in the Montreal quarter-finals, was dispatched under a barrage of 20 aces by Aussie qualifier Chris Guccione.

Fourth seed Novak Djokovic, last year's losing finalist to Andy Murray, beat Croatian veteran Ivan Ljubicic 7-6 (7-5), 6-4.

'That's quite a good stat I think for the first match,' said Djokovic, who lost only only one first-serve point the entire match.

'It's really important to get my serve going and have a high percentage of the first serves in, which wasn't case really in my last match in Montreal.

'Today I served well when I needed to and made only one double fault. He was serving really well and going for the shots but he didn't really care to play too many long rallies.'

France's Paul-Henri Mathieu beat Croatian Ivo Karlovic 7-6 (11-9), 6-4 to eliminate one of the biggest servers in the game at the second-round stage.