World number one Serena Williams crashed out of the WTA Tour's Family Circle Cup, losing her opening match in straight sets to world number 78 Jana Cepelova on Tuesday.
The unseeded Slovakian Cepelova defeated top seed Williams 6-4, 6-4 in their second-round match at the claycourt tournament.
Cepelova won 55 percent of her first serves and 71 of 136 total points in the 84-minute match.
She advances to face Elena Vesnina of Russia, who beat Slovakia's Anna Schmiedlova 6-2, 6-1.
World number one Serena Williams crashed out of the WTA Tour’s Family Circle Cup, losing her opening match in straight sets to world number 78 Jana Cepelova on Tuesday.
The unseeded Slovakian Cepelova defeated top seed Williams 6-4, 6-4 in their second-round match at the claycourt tournament.
Cepelova won 55 percent of her first serves and 71 of 136 total points in the 84-minute match.
She advances to face Elena Vesnina of Russia, who beat Slovakia’s Anna Schmiedlova 6-2, 6-1.