Aryna Sabalenka made an emotional post on Instagram to publicly refer for the first time to the death of Konstantin Koltsov. The Belarusian, number 2 in the world ranking, will debut this Thursday at the WTA 1,000 in Miami.

"Konstantin's death is an unimaginable tragedy and, although we were no longer together, my heart is broken. Please respect my privacy and that of his family at this difficult time," published the Belarusian.