Aryna Sabalenka Mourns Death Of Ex-Boyfriend Konstantin Koltsov: 'An Unthinkable Tragedy' "While we were no longer together, my heart is broken," she said in a Wednesday statement.
Aryna Sabalenka's Boyfriend Konstantin Koltsov Dies By Suicide After Jumping Off Balcony Former NHL player Konstantin Koltsov has died by suicide on Monday, the Miami-Dade Police Department has confirmed. He was 42.