Posted: Monday January 23, 2012 1:13AM ; Updated: Monday January 23, 2012 6:08AM
Jon Wertheim>INSIDE TENNIS
Latest upset shows Serena can no longer dominate as part-timer | Story Highlights Serena Williams suffered a stunning 6-2, 6-3 loss to unseeded Ekaterina MakarovaAt 30, Serena is no longer able to dominate on just her raw ability and reputationIn order to compete in Majors again, Serena needs to recommit herself to tennis
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Serena Williams committed 37 errors and seven double-faults in her loss to Ekaterina Makarova.
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2012 Australian Open