Key Facts

• Serena and Venus Williams will team up for doubles at the US Open.
• They received a wild card to enter the doubles event. A wild card is a special invitation to join without qualifying.
• The Williams sisters have won the US Open doubles title in 1999 and 2009.
• They have played doubles nine times at the US Open, with 27 wins and 7 losses.
• Serena returned to tennis this summer after four years away.
• The sisters planned to play doubles at Wimbledon, but Serena withdrew because of a knee injury.
• They played together at the Cincinnati Open recently but lost in the first round.
• Serena is also playing mixed doubles with Carlos Alcaraz, and Venus is entered in women’s singles at the US Open.