Before each day's play at the Australian Open, we'll preview and predict three must-see matches.
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Going by their head-to-head record, this should be an easy call. Kerber leads 6-1, and she has won their last three meetings, all on hard courts, in routine, straight-set fashion. The German is also playing with a renewed passion and patience at the moment, both of which have largely been missing over the last 12 months.
Is there any reason to think that Keys can stop her? Yes. The American has rolled through the draw so far without dropping a set, and has averaged just over an hour on court in each match. In her last one, she encountered almost no resistance from the No. 8 seed, Carolina Garcia. As for those three losses to Kerber, they all took place in 2016, when Kerber was No. 1, or on her way to No. 1, in the world. And while the 2016 Aussie Open champ obviously likes the courts on Melbourne, Keys does, too; she made her own breakthrough run to the semis there three years ago. This match, which could be a final, is a toss-up. Winner: Keys