Sickness and a medical time-out mark Raducanu’s latest first-round collapse in Dubai

Raducanu exits Transylvania Open as illness and form issues reignite debate over her next coach

British number one overwhelms Chwalinska and moves one win from the final

John McEnroe reacts to Carlos Alcaraz’s record-breaking Australian Open win and coaching rumours

Nick Kyrgios defeats Aryna Sabalenka in Dubai as exhibition match draws fierce backlash