World Tour Citi Open Results

Thursday At Willian H.G. FitzGerald Tennis Center Washington Purse: $1,953,285 Surface: Hardcourt outdoor WASHINGTON (AP) _ Results Thursday from Citi Open at Willian H.G. FitzGerald Tennis Center (seedings in parentheses): Men's Singles Round of 16

Yoshihito Nishioka, Japan, def. Karen Khachanov (7), Russia, 7-6 (2), 7-6 (1).

Mikael Ymer, Sweden, def. Emil Ruusuvuori, Finland, 6-3, 6-7 (3), 6-4.

Daniel Evans (16), Britain, def. Taylor Fritz (3), United States, 3-6, 7-6 (6), 4-1, ret.

Liudmila Samsonova, Russia, def. Ajla Tomljanovic, Australia, 4-6, 6-3, 6-2.

Emma Raducanu (2), Britain, def. Camila Osorio, Colombia, 7-6 (5), 7-6 (4).

Wang Xiyu, China, def. Donna Vekic, Croatia, 4-6, 7-5, 6-1.

Rohan Bopanna, India, and Matwe Middelkoop, Netherlands, def. Robert Farah and Juan Sebastian Cabal, Colombia, 7-6 (10), 4-6, 12-10.

Frances Tiafoe, United States, and Alex de Minaur, Australia, def. Mackenzie McDonald, United States, and Botic Van de Zandschulp, Netherlands, walkover.

Elise Mertens and Greet Minnen (2), Belgium, def. Christina McHale and Jamie Loeb, United States, 4-6, 6-1, 10-5.

Anna Kalinskaya, Russia, and Caty McNally (4), United States, def. Emily Webley-Smith, Britain, and Ingrid Gamarra Martins, Brazil, 7-6 (2), 6-2.