As a preview of 2018, Baseline is taking a look at all the Top 10 finishers from the ATP and WTA.
See No. 3 here.
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Heading into 2017, no one knew what a 35-year-old Roger Federer who hadn't played a match in six months would be capable of. It turned out, the answer was a lot.
In the semis and final Australian Open, Federer won back-to-back five-setters against Stan Wawrinka and Rafael Nadal.