Playing her first tournament on home soil this year, Zheng was scheduled to face Emma Raducanu in the second round before the 2021 US Open champion pulled ... with 14th seed MartaKostyuk ...
Shnaider had beaten No.5 seed MartaKostyuk earlier on Saturday ... Kasatkina had won the first set 6-1 when 2021 US Open champion Raducanu retired with a foot injury.