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Serena Williams has had to deal with all manner of challenges since returning as a new mother to the sport she once ruled.
Postpartum depression. Reinvigorated rivals. Next-generation threats. Code violations. A twisted ankle. Blown match points. Aching knees. Wounded pride.
Now with Williams seriously short on tournament play, the spinning wheel of tennis fortune has put her in the toughest corner of this year’s Wimbledon draw: a quarter that includes Ashleigh Barty, the new No. 1, and three former No. 1s and Wimbledon champions — Garbiñe Muguruza, Maria Sharapova and Angelique Kerber.