“I think I would have just played harder and played better,” said Serena Williams after falling in straight sets to Elena Rybakina in the Roland Garros fourth round. EPA-EFE/YOAN VALATNo. 21-seeded Elena Rybakina broke Serena Williams’ serve five times in a 6-3, 7-5 win. EPA-EFE/CAROLINE BLUMBERGFifth-seeded Stefanos Tsitsipas topped Pablo Carreno Busta charging into the Roland Garros quarterfinals for the second straight year. EPA-EFE/YOAN VALATPablo Carreno Busta took a 4-1 third-set lead only to see Stefanos Tsitsipas win six of the last seven games in a 6-3, 6-2, 7-5 win. EPA-EFE/CAROLINE BLUMBERGTamara Zidansek of Slovenia celebrates beating Sorana Cirstea of Romania in the Roland Garros fourth round. EPA-EFE/CHRISTOPHE PETIT TESSONSorana Cirstea held a set point, but did not convert falling to Tamara Zidansek 7-6(4), 6-1 at Roland Garros. EPA-EFE/CHRISTOPHE PETIT TESSONFormer French Open girls’ champion Paula Badosa of Spain celebrates defeating Marketa Vondrousova of the Czech Republic during their fourth round match at the French Open. EPA-EFE/CHRISTOPHE PETIT TESSONAsked if this was her final French Open match, 39-year-old Serena Williams replied: “I’m definitely not thinking about it at all.” EPA-EFE/CAROLINE BLUMBERGAnastasia Pavlyuchenkova defeated former No. 1 Victoria Azarenka to reach the quarterfinals. EPA-EFE/CAROLINE BLUMBERG“Definitely what I learned, that I can move really well on clay,” said Daniil Medvedev, who carried an 0-4 career record in Paris into the tournament and is now through to his first French Open quarterfinal. EPA-EFE/CHRISTOPHE PETIT TESSON