Unforced errors were the key stat in Serena Williams's loss to Angelique Kerber in the Australian Open final.
Germany's Angelique Kerber stunned World No. 1 Serena Williams in the Australian Open final on Saturday, preventing her from winning her 22nd Grand Slam singles title and tying Steffi Graf's record of the same mark. Serena had won three of the previous four majors and was the defending champion in Melbourne, but first-time Slam finalist Kerber came out firing and was able to take the opening set, marking the first time Serena dropped the first set in a Grand Slam final since the 2011 U.S. Open.
The key stat for the match was the unforced errors category, where Serena hit 46 compared to Kerber's 13.
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