Karolina Pliskova will work with Conchita Martinez during the US Open after adding the Spanish great to her coaching staff in a bid to win a maiden grand slam.
Pliskova and Martinez – Spain's former Fed Cup and Davis Cup captain – will team up for the upcoming major at Flushing Meadows, with the world number eight planning to resume working with new coach Rennae Stubbs afterwards.
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A grand slam title has proved elusive for former world number one and Czech star Pliskova, who reached the 2016 US Open final, while the 26-year-old advanced to last year's French Open semi-finals, having twice been a quarter-finalist at the Australian Open.
"I was in California last week, and I've just landed today in New York to start working with Karolina," 1994 Wimbledon champion Martinez said in a statement Thursday.
"Tomorrow, Friday, we'll go out on the practice court and start training together."
Pliskova, who has one title to her name this year via Stuttgart, was a shock first-round casualty at the WTA Connecticut Open in New Haven this week.
She will meet Kazakhstan's Zarina Diyas in the opening round of the US Open.