ALBANY, NY — Serena Williams leaned against a wall in the bowels of SEFCU Arena, sweat pouring off her muscular shoulders and a satisfied look on her face after a very long day.

“It’s good to be back. I love playing. I really enjoyed myself out there,” Williams said Tuesday night after beating Martina Hingis 5-3 in World TeamTennis. “It was a really long day, but at last I arrived.”

Williams, who sat out nearly a year with an assortment of health problems before returning to play the Eastbourne International prior to Wimbledon, continued her comeback by also playing mixed doubles and women’s doubles. Her team, the Washington Kastles, edged the New York Sportimes 21-20