Serena Williams, Victoria Azarenka and Tsvetana Pironkova have made it to the the third round of the US Open, while six other mums have been eliminated in the first two rounds.
World No.21, Russia's Ekaterina Alexandrova came back from a set down to hand former world No.1 Kim Clijsters, a first round defeat at the US Open.
Kim Clijsters will face Ekaterina Alexandrova in the first-round of the US Open
The first time Kim Clijsters entered the U.S. Open, all the way back in 1999, she faced a certain someone by the name of Serena Williams.
Here are the players to watch out for in the women's singles event at the 2020 US Open
The 37-year-old, who was due to play Jennifer Brady in the first round and will be replaced by a qualifier or lucky loser, is however optimistic about her chances to play in the US Open.
Kim Clijsters and Sloane Stephens are among the headliners as World TeamTennis, which kicks off its three-week regular season at the Greenbrier resort in West Virginia.
Ana Ivanovic feels that Kim Clijsters will find it difficult to compete when the WTA Tour resumes.
Kim Clijsters had retired from 2007-2009 to have her daughter and then retired a second time in 2012 and had two sons.
Flavia Pennetta retired soon after winning the US Open in 2015, and she and Fabio Fognini have two young children.
Kim Clijsters, who lost her first match to Garbine Muguruza, had to undergo six doping tests before she could return.
Kim Clijsters lost to Garbine Muguruza in the opening round of the WTA event in Dubai but not before putting up a fight.
Kim Clijsters is returning to professional tennis after a gap of seven years.
Kim Clijsters is making her second comeback to professional tennis after seven years away from the sport.
Former Grand Slam champion 36-year-old Kim Clijsters is looking to make a second comebac to professional tennis.
Kim Clijsters confirmed that she was making a comeback starting in Mexico in March since retiring for a second time in 2011.
Andy Murray who recovered from the career-threatening hip injury will be making his Grand Slam return at the Australian Open in January.
Kim Clijsters, who is a mother of three, will be making her return to tennis after 7 years.
Serena Williams returns to tennis after a year-long absence on Saturday, with all eyes on the former world number one as she sets out on her quest to reclaim her position at the pinnacle of her sport.
Elise Mertens became the first Belgian to reach the quarter-finals of the Australian Open since Kim Clijsters in 2012 with a straight sets win over Petra Martic on Sunday