Kim Clijsters’s comeback took another setback at Indian Wells as she lost her first round match to Katerina Siniakova 6-1, 2-6, 6-2.
Siniakova is better known for doubles – she teamed with countrywoman Barbora Krejcikova to win a gold medal in doubles at the Tokyo Olympics.
Clijsters, 38, hit nine double faults win her way to defeat, while Siniakova converted six of nine break points in the match.
The Hall of Fame also lost in the first round in Chicago last week.
Aussie qualifier Astra Sharma is through to the next round after defeating Croatia’s Donna Vekic 6-4 2-6 6-3. Sharma will face No.20 seed Daria Kasatkina next.