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Heading into the 2010 Wimbledon Championships, Kvitova was a virtually unknown player. She had only won seven matches all season, and she was ranked just 62 in the world.
She made a run all the way to the semifinals where she had a competitive match against eventual champion Serena Williams. She actually lost her next five matches after Wimbledon and didn't really close out 2010 well.
This season, however, has been much different for the young lefty. She has come on very strong to establish herself firmly among the best in the world.
Kvitova's first strike, aggressive game has been very kind to her in 2011. Her strong serving performances have also been a key for her.
The Czech has been working on her moment, but it can still get better. Her biggest improvements need to come in the consistency factor. She has the tendency to have some bad stretches in matches that could really end up limiting her extreme potential.
In one year's time, Kvitova has gone from never winning a match on grass to being the champion of Wimbledon. That alone says she has improved her game already and means she will continue to do so.