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Bianca Anreescu is looking for a new coach, as the 2019 US Open champion has split with Sylvain Bruneau after four years.

The two “have mutually decided to end our incredible coaching relationship.”

“I am very grateful for everything we accomplished together and all of our great memories,” Andreescu wrote. Included in those memories is when a 19-year-old Andreescu beat Serena Williams in the US Open final to give Canada its first Grand Slam singles trophy.

Andreescu has dealt with various injuries since, appearing in only two major tournaments.

The move comes a week after the seventh-ranked Andreescu lost in the first round of the French Open to Slovenian Tamara Ziadnsek.