Powerhouse tennis superstar Serena Williams, arguably the best female player to ever wield a racket, listed her multi-acre estate deep in the poshly rustic Stone Canyon area of L.A.’s Bel Air with an asking price of $11.995 million. The 36-year-old 23-time Grand Slam singles title winner, who gave birth to her first child in September and, hence, was on hiatus for much of 2017. Built in 1935 but since updated in a fashion that retained only some of its original architectural characteristics, the baby blue mansion is hidden behind a tall, meticulously clipped hedge on 2.7 gated acres with six bedrooms and seven bathrooms in 6,101-square-feet. A long, vine draped colonnade connects the gated motor court and prominently sited three-car garage to the double front doors that open into an unexpectedly narrow entrance hall with gleaming white marble flooring that continues throughout much of the main floor including the vast, semi-circular living room that’s lined with transom-topped French doors that open to verdant gardens. Powerhouse tennis superstar Serena Williams, arguably the best female player to ever wield a racket, listed her multi-acre estate deep in the poshly rustic Stone Canyon area of L.A.’s Bel Air with an asking price of $11.995 million. The 36-year-old 23-time Grand Slam singles title winner, who gave birth to her first child in September and, hence, was on hiatus for much of 2017. Built in 1935 but since updated in a fashion that retained only some of its original architectural characteristics,...