The 23-time Grand Slam champion pulled out along with sister Venus Williams and last year’s Australian Open winner Sofia Kenin. The former world No 1 has not played since retiring injured in her first round match at Wimbledon, where she slipped on the grass and hurt her leg.
Browsing: Cincinnati
Rafael Nadal withdrew from the Cincinnati Masters for the second year in a row after polishing off his US Open preparation with a Rogers Cup title on Sunday.
The 32-year-old has not played singles since losing in the first round of the Australian Open in January to Spain’s Roberto Bautista Agut, after which he underwent hip resurfacing surgery in a bid to salvage his career.