`` I just did n't feel well before my second-round match , to the point where I could n't play , '' the 31-year-old told CNN 's Connect the World show . ` Venus and Williams have been beset by health issues in recent times . Serena suffered blood clots on her lungs , and Venus has the WTA Tour 's syndrome . 1 -time grand slam winner Venus makes her return to the WTA Tour on Wednesday . The former world No . Seven has not played since pulling out of the U.S. Open in Wednesday .
Venus and Williams have been beset by health issues in recent times . Serena suffered blood clots on her lungs , and Venus has the WTA Tour 's syndrome . 1 -time grand slam winner Venus makes her return to the WTA Tour on Wednesday . The former world No . Seven has not played since pulling out of the U.S. Open in Wednesday .