There are always a couple of shocks in the first round and if you can pick them then big profits on offer. Also, often some of the favourites go a set or 2 down before mounting a courageous comeback and winning through - remember Federer was 2 sets down in the first round last year.
Here's our pick of the matches that we think could provide an upset:
Schiavone v Dokic - Schiavone is seeded 6 and Dokic is now ranked only 59 in the world but she has made the last 32 at Wimbledon before and made the final in a Dutch grass court tournament last week. Schiavone has never been at home on grass and was knocked out in the first round last year, she struggles with the big hitters and Dokic is certainly one of them so it will come down to whether Dokic can stop the unforced errors, if she can then she could win this one.
Riske v Zvonareva - Zvonareva is seeded 2 but comes up against the American Riske in the first round who is ranked outside the top 100. On paper, this should be an easy win for Zvonareva but Riske is a decent grass courter with a big serve and she comes into Wimbledon in decent form, she made the quarters at Birmingham and actually gave Hantuchova a decent match despite the straight sets loss. Zvonareva is not aggresive enough on grass and could struggle if Riske is on her game.
Also, look out for any hot favourites that drop the first set and back them when they do as invariably they will come back and level the match.
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