Emma Raducanu worked with coach Andrew Richardson when she won the 2021 U.S. Open. File Photo by John Angelillo/UPI | License Photo

May 15 (UPI) -- Emma Raducanu rehired coach Andrew Richardson, who helped her win her lone Grand Slam singles title at the 2021 U.S. Open, she announced Friday.

Raducanu and Richardson split just weeks after her win over Canada's Leylah Fernandez in the finale of the 2021 U.S. Open. She hasn't advanced past the third round in 13 Grand Slam appearances since that title run.

"Grateful to have reconnected with someone who has known me for over a decade now and looking forward to building together one iteration at a time," Raducanu said in a statement.

After her split with Richardson, Raducanu went worked with coaches Torben Beltz, Dmsitry Tursunov, Sebastian Sachs, Nick Cavaday, Francisco Roig, and Mark Petchey, among others.