No. 5 Svitolina, No. 7 Bertens withdraw from U.S. Open
World No. 5 Elina Svitolina and No. 7 Kiki Bertens both withdrew from the U.S. Open on Friday.
Svitolina was a semifinalist last year before losing to Serena Williams.
The two join World No. 1 Ashle