By Jon Wertheim
January 15, 2014
Serena Williams' aura can intimidate opposing players before they even leave the locker room.
Quinn Rooney/Getty Images

• The nine first-round retirements at this year's Australian Open ties the record for most retirements/walkovers in a single round at any Grand Slam in the Open Era. Yes, even more than at Wimbledon last year.

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