\n<\/p>\n
Emma Raducanu is out of the Ostrava Open after losing to fifth seed Daria Kasatkina in the first round. <\/span><\/p>\n The 19-year-old lost 7-5 6-4 against Russian world number 11 Kasatkina. <\/span><\/p>\n<\/div>\n The defeat comes after British number one Raducanu retired injured from her Korea Open semi-final against Jelena Ostapenko on 24 September.<\/span><\/p>\n Raducanu has struggled with injuries during her first full year on the WTA tour as she seeks to build on her 2021 US Open victory.<\/span><\/p>\n Kasatkina will play fellow Russian Ekaterina Alexandrova in the next round. <\/span><\/p>\n But there was British success elsewhere for Dan Evans and Harriet Dart. <\/span><\/p>\n Evans beat Moldova’s Radu Albot 6-7 (3-7) 6-1 6-4 at the Rakuten Open in Tokyo while Dart beat Spain’s Nuria Parrizas-Dias 6-2 6-4 at the Jasmin Open in Tunisia. <\/span><\/p>\n There was also a shock defeat for world number one Carlos Alcaraz at the Astana Open in Kazakhstan. <\/span><\/p>\n Belgian David Goffin won 7-5 6-3 to hand 19-year-old Alcaraz his first straight-set defeat of the season.<\/span><\/p>\n “I always believe that I have the level to cause some trouble against those guys,” said Goffin, whose world ranking is 66. <\/span><\/p>\n “When you play against the world number one on a big stage, big crowd, the fire inside gives you so much power to play your best tennis because you don’t have any choice. <\/span><\/p>\n