Former coach of Sharapova, Seles, Agassi and Williams sisters' Nick Bollettieri in his final days according to daughter

According to his daughter, legendary coach Nick Bollettieri is in his final days as she shared the update on social media.

He worked with many prominent tennis players over the year coaching the likes of Sharapova, Seles, Agassi and the Williams sisters. Bollettieri turned 91 earlier this year but unfortunately, his health is deteriorating rapidly.

Daugther Angelique Bollettieri shared a picture of her father on social media with the caption:

"Dad is close to transitioning to the next place. Please keep him in your thoughts for a peaceful departure and wonderful journey. We love you Daddy."