Naomi Osaka casts doubt on tennis future after swift defeat in Miami opener

Osaka admits to ‘dilemma’ after loss to Talia Gibson Norrie, Boulter and Jones all out to end British hopes Naomi Osaka has said she does not intend to continue competing if she frequently loses first-round matches after suffering a disappointing 7-5, 6-4 defeat to Australia’s Talia Gibson in her opener at the Miami Open. Osaka, who received a first-round bye as the 16th seed in Miami, moved sluggishly in an error-strewn performance and was outplayed by the talented 21-year-old Gibson, who wil