As a preview of 2018, Baseline is taking a look at all the Top 10 finishers, first with the ATP and now the WTA.
See No. 5 here.
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Karolina Pliskova rose to No. 1 for the first time in her career, though somewhat anti-climatically. She also won titles in Brisbane, Doha and Eastbourne, but failed to get closer to Grand Slam glory. Her rise to No. 1 happened after an unexpected second-round exit at Wimbledon.