The new site for the Miami Open suddenly is missing a lot of star power.
Serena Williams withdrew Saturday, blaming a previously undisclosed left knee injury. Less than two hours later, top-ranked Naomi Osaka lost in the third round to tour veteran Hsieh Su-Wei of Taiwan, 4-6, 7-6 (4), 6-3.
Osaka’s departure matched the earliest ever in the tournament by a top-seeded woman and jeopardized her No. 1 ranking, depending on results next week.
Williams’ withdrawal was unexpected because she showed no signs of injury a day earlier while winning her opening match against Rebecca Peterson, 6-3, 1-6, 6-1. Williams didn’t mention any health issues during a news conference after the match, and the WTA had no information regarding when she was hurt