Federer full of confidence

After a frustrating injury lay-off, Roger Federer is brimming with self-belief at the start of Wimbledon.

Only a month ago, things looked a bit bleak for the Swiss tennis ace. After undergoing the first surgery of his career to correct a knee injury incurred while giving his twin daughters a bath, a chronically cranky back then forced him to withdraw from the French Open.

In a rush to get ready for Wimbledon, Federer played back-to-back events in Stuttgart and Halle and he struggled. He won three matches in Stuttgart to reach the semi-finals, eventually losing to rising Austrian Dominic Thiem.

Federer also reached the final four in Halle, falling to teenager Alexander Zverev.

Given that kind of form, it seems odd for the seven-time Wimbledon champion to be claiming that he feels in a great space to contest for more glory. However, Federer explained recently that his appearances in Germany were far more about testing his body than they were about testing his ability.

"I think I got into a tough spell there," Federer said of his recent setbacks.

"I just felt I had to stop everything by not playing Paris, reset basically.

"I think really for me was to get some confidence and some knowledge of where I was going to be in those seven matches in 10 days in Stuttgart and Halle.

"I think that was crucial for me going into Wimbledon knowing, 'OK, I passed that test, the body can take that amount of tennis, four matches back to back to back.'

"All of a sudden, you're coming into Wimbledon with more confidence, more understanding of where you're at.

"Now we'll see."

Federer starts his bid for an eighth title at Wimbledon on Monday against Guido Pella of Argentina.

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