But no matter what happens next-whether she decides to retire and spend more time with her family, or she roars back to win another dozen or so titles-Williams has the satisfaction that she got to play in front of her most important fan. It also marks the first time Serena has competed in a professional match since giving birth to her daughter Alexis Olympia Ohanian Jr. back in September.
It was Serena's first competitive match since winning her 23rd major at the 2017 Australian Open, and the first time the sisters had played doubles together in this tournament since 2003. "I feel like I'm on the right track for me". Serena appeared particularly slow on her feet and was poor in her shot selection after more than a year away from the sport.
"I didn't manage my time well", she said.
United States will face France in the semifinal which is scheduled to take place in April. Both were in attendance over the weekend, seated just behind the players' box. "There was a lot of pressure for me to close it out, for her to be able to stay in, and I was able to handle it a little better", she added.
The United States team will travel to France for the semi-finals in April after the French progressed to the last four for the third time in four years courtesy of a 3-2 win over Belgium. Alexis Olympia was courtside as her mother and aunt played in a dead-rubber doubles contest against Holland on Sunday. After delivering Alexis Olympia via C-section, Williams suffered from life-threatening complications when blood clots formed in her lungs and severe coughing reopened her C-section wound. Maybe that's why I felt like I did better.
She had initially targeted last month's Australian Open and a defence of her 2017 title but struggled during an exhibition match against Jelena Ostapenko in Abu Dhabi in December, forcing her to revise her plans.