Ana Ivanovic blamed the pressures of winning the French Open this month and then becoming the world number one for her shock 6-1, 6-4 defeat by 133rd ranked Jie Zhang of China.

Since Lleyton Hewitt won the title in 2002, Wimbledon has belonged to Roger Federer but the Australian is ready to depose the champion. “This is what you play for,” he says. “I’m looking forward to challenging myself at the highest level.”

Blink and you’d miss them. The top-seeded pairing in the men’s doubles – Bob and Mike Bryan – took just 71 minutes to beat Russians Igor Kunitsyn and Dmitry Tursunov, one of several significant results in the men’s doubles.

The run of 16-year-old qualifier Anastasia Pavlyuchenkova came to an abrupt end at the hands of Agnieszka Radwanska, the No.14 seed. The young Russian could find no answer to the crafty play of her Polish opponent

Marion Bartoli, the 2007 losing ladies’ finalist, was knocked out of this year’s Championships by the American Bethanie Mattek in straight sets. The world No. 69 triumphed 6-4, 6-1 over the 11th seeded Frenchwoman.

Roger Federer has a lot of respect for his next opponent, Lleyton Hewitt. “He knows what it takes to win Slams, and it’ll be my first big test at this tournament,” he says. But the world No.1 does hold a 13-7 advantage over the Australian.

Hungarian teenager Agnes Szavay made life difficult for herself before beating Anabel Medina Garrigues 7-6 (7-5), 2-6, 6-2. The 15th seed nearly squandered the first set after leading 5-2, lost the second before establishing control in the decider.

Lleyton Hewitt said he was looking forward to playing his “good old mate” and defending champion Roger Federer in the fourth round after dispatching 22-year-old Italian Simone Bolelli in straight sets.

Roger Federer gave a dazzling display of tennis’s finer points as he romped past France’s Marc Gicquel in straight sets. The five-time champion produced a series of classic strokes and John McEnroe described the sight as “a master at work”.

Svetlana Kuznetsova celebrated her 23rd birthday with a composed performance to move into the last 16 at the expense of a rather combustible Czech opponent, Barbora Zahlavova Strycova.

Nicole Vaidisova, the 18th seed, reached the last 16 with a straightforward win over Australia’s Casey Dellacqua 6-2, 6-4, in a match featuring the first rain delay at this Wimbledon. The Czech reached the Wimbledon quarter-finals last year.

No. 8 seed Anna Chakvetadze overcame solid resistance from her fellow Russian Evgeniya Rodina – ranked 100 places below her in the world – to record a 6-4, 6-3 win and qualify for the fourth round.