![Nick Bollettieri, charismatic tennis coach who produced 10 world No 1s, including Andre Agassi, Maria Sharapova and the Williams sisters – obituary Nick Bollettieri, charismatic tennis coach who produced 10 world No 1s, including Andre Agassi, Maria Sharapova and the Williams sisters – obituary](https://www.telegraph.co.uk/content/dam/obituaries/2022/12/08/TELEMMGLPICT000318843231_trans_NvBQzQNjv4BqENh0amqpuv8Z5e8_LKlob_RHlEWgcACQH02ls8s96XU.jpeg)
Nick Bollettieri, charismatic tennis coach who produced 10 world No 1s, including Andre Agassi, Maria Sharapova and the Williams sisters – obituary
![The way Andre Agassi's brain works is quite unique, I've never really seen it in a tennis player: Former coach Darren Cahill The way Andre Agassi's brain works is quite unique, I've never really seen it in a tennis player: Former coach Darren Cahill](https://staticc.sportskeeda.com/editor/2023/02/fed53-16760128621648-1920.jpg?w=840)
The way Andre Agassi's brain works is quite unique, I've never really seen it in a tennis player: Former coach Darren Cahill
![Never Forgave Him' - American Icon Andre Agassi's Love-Hate Relationship With 91-Year-Old Coach Revealed Days After His Death - EssentiallySports Never Forgave Him' - American Icon Andre Agassi's Love-Hate Relationship With 91-Year-Old Coach Revealed Days After His Death - EssentiallySports](https://image-cdn.essentiallysports.com/wp-content/uploads/GettyImages-807473430-1110x1065.jpg)
Never Forgave Him' - American Icon Andre Agassi's Love-Hate Relationship With 91-Year-Old Coach Revealed Days After His Death - EssentiallySports
![Legendary US tennis coach Nick Bollettieri, maker of Grand Slam champions, dies at 91 | Sports | EL PAÍS English Legendary US tennis coach Nick Bollettieri, maker of Grand Slam champions, dies at 91 | Sports | EL PAÍS English](https://images.english.elpais.com/resizer/zhHLz-yH4jWA3-_BqFsaiDN9fIE=/1960x1470/filters:focal(377x184:387x194)/cloudfront-eu-central-1.images.arcpublishing.com/prisa/ZWZT7O6EQZGOTP5IS352NCRGEI.jpg)
Legendary US tennis coach Nick Bollettieri, maker of Grand Slam champions, dies at 91 | Sports | EL PAÍS English
![Andre Agassi leads tributes as tennis world pays its respects to coaching great Nick Bollettieri | PlanetSport Andre Agassi leads tributes as tennis world pays its respects to coaching great Nick Bollettieri | PlanetSport](https://www.planetsport.com/image-library/land/1200/n/nick-bollettieri.jpg)
Andre Agassi leads tributes as tennis world pays its respects to coaching great Nick Bollettieri | PlanetSport
![Andre Agassi, right, who coaches tennis player Novak Djokovic, not pictured, greets coach and former player Darren Cahill at Life Time Fitness in Henderson on Friday, March 2, 2018. Chase Stevens … Andre Agassi, right, who coaches tennis player Novak Djokovic, not pictured, greets coach and former player Darren Cahill at Life Time Fitness in Henderson on Friday, March 2, 2018. Chase Stevens …](https://www.reviewjournal.com/wp-content/uploads/2018/03/10203975_web1_wild-art-agassi_030218cs_006.jpg)