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World number two Aryna Sabalenka started her Miami Open campaign after an emotional week with a 6-4 6-3 win over close friend Paula Badosa.
Two-time Australian Open champion Sabalenka, 25, played her second-round match four days after the death of former partner Konstantin Koltsov.
Koltsov, an ex-ice hockey player, died in Miami aged 42 in what police described as an “apparent suicide”.
On Wednesday Sabalenka said her “heart is broken” after Koltsov’s death and described it as “an unthinkable tragedy”.
Wearing an all-black kit and a cap pulled down low, she looked up to the sky before the pre-match coin toss.
