Aryna Sabalenka and Konstantin Koltsov, a former professional ice hockey player from Belarus, began their public relationship. Koltsov was 17 years Sabalenka's senior.

Throughout their relationship, Sabalenka and Koltsov were often seen together at tennis tournaments and public events. Koltsov was a visible source of support for Sabalenka during her matches.

Konstantin Koltsov died unexpectedly in Miami. The circumstances surrounding his death were investigated, with police reports indicating an apparent suicide. Sabalenka released a statement acknowledging his death and expressing her heartbreak.

Despite the tragic loss, Sabalenka chose to continue playing at the Miami Open, emphasizing her commitment to her profession. She dedicated her matches to Koltsov's memory.