Day Four at Wimbledon: The signs are ominous and Roger Federer looks imperious

Firstly, Roger Federer was utterly imperious today. In fact, it's arguably the best he's played this decade - serving like a demigod and closing out his match with the minimum of effort.

The same can be said for women's number one seed Serena Williams. It doesn't really matter who she plays, she blows them right out of the water. I remember seeing Serena play on Centre Court last year and she had the fastest serve of anyone on Centre that day...3mph faster than Novak Djokovic!

Another truly ominous sign is in the form of Rafa Nadal. It looked like lightning would strike twice for the Spaniard as he came up against his old nemesis Lukas Rosol, the Czech who dumped him out of the tournament two years ago. But despite Rosol bludgeoning his way to the verge of a two-set lead, Nadal rediscovered his form to seize the initiative and win the contest 3-1. If you thought he was pleased, the reaction of his coach - Uncle Tony - was even more telling....fist-pumping and screaming from the sidelines in a most uncharacteristic show of emotion.

Looking around the courts there are plenty of dangermen playing well. Recent Grand Slam winner Stan Wawrinka is through to round three after an impressive display, while Nick Kyrgios is arguably the hero of the hour after surviving nine match points to eventually triumph over Gael Monfils.

Heather Watson's success in SW19 was pretty short lived, for despite a battling performance today she eventually lost 6-1 in the third. Will she ever be able to take on the top seeds like Sharapova, who produced another sharp display to win big and win easy.

At this time of year I always get asked who's going to win and you can't really argue with the sensible money, which means that Williams and Djokovic should reign supreme. Of course, as we know from last year, Wimbledon has a habit of upsetting the apple cart!

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