News Serena and Venus Williams will play doubles at U.S. Open, go for 15th Grand Slam together August 27, 2022 Scooby Axson, USA TODAY Comments Off on Serena and Venus Williams will play doubles at U.S. Open, go for 15th Grand Slam together The Williams sisters haven't played together since the 2018 French Open. They have 14 Grand Slam titles as a team, including two at the U.S. Open.