A day after her season debut for the Washington Kastles, Venus Williams filled the stands Tuesday night at Smith Center. But the Wimbledon finalist, headlining the team alongside Wimbledon semifinalist Sam Querrey, couldn’t help Washington pull out a second consecutive victory, as the Kastles lost, 23-21, to the Springfield Lasers (3-5).

After losing mixed doubles and women’s singles to open the match, the Kastles (4-4) rebounded from the two-set deficit on a crucial 5-4 win in men’s doubles from Querrey and Bruno Soares that turned momentum in Washington’s favor. Querrey also won men’s singles for the final set of the night, 5-4, against Benjamin Becker with a beautifully placed drop shot to force a super-tiebreaker but won just one point in extended play.

“Whether you’re playing in the closing position or not it’s really fun,” Querrey, the third-ranked American man on the ATP tour, said. “It’s a good mix-up from a normal tournament.”

Washington fell behind early after Williams and Soares dropped the mixed doubles set, 5-2, to Anna-Lena Groenfeld and Jean-Julien Rojer. Williams then lost a dramatic women’s singles match, 5-4, to World Team Tennis rookie Sorana Cirstea. The Wimbledon finalist had match point against Cirstea, but the match umpire overruled a judgment on the far sideline and called out what would have been the match-sealing winner for Williams. She apologized to her teammates when she walked to the bench.

She bounced back with a 5-4 win in the women’s doubles alongside teammate Anastasia Rodianova.

Williams hasn’t spent much time recuperating after her loss to Garbine Muguruza in the Wimbledon final this month. The 37-year-old, playing her sixth season in Washington, is focusing instead on staying match fit.

“I just went straight back to the courts, and then I’ve been playing matches,” Williams said. “I just haven’t stopped, and that’s a good thing. … I’m still playing good tennis, and I want to keep that on lock.”

Williams, the ninth-ranked woman in the world, said she is pleased with the level of consistency she has been able to maintain on tour this year. She is the only woman to have played in two Grand Slam finals in 2017.

“The positives are that, the whole year I’ve been in positions to win the titles that I’ve been working for. The key is just to keep putting myself in that position and have those opportunities. That’s what it’s all about. I’m definitely happy with the level of my game. That’s exactly what I want to play: aggressive and consistently. It’s a dangerous combination.”

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