Wimbledon 2015: Nick Bollettieri's top tennis tip, day eleven - Practice your serve followed by a shadow return

Every day of the Wimbledon 2015 tournament, the famous tennis coach will be offering his best tips on how to master the game

(Marc Serota | Getty Images)

The legendary tennis coach Nick Bollettieri has nurtured some of the sport's finest talents, from Anadre Agassi to Monica Seles, as well as the likes of the Williams sisters, Tommy Haas and Boris Becker.

Bollettieri will be writing a column for The Independent every day of the tournament, offering a unique insight into all the goings on at SW1 and the latest information on tennis' biggest names.

Alongside Bollettieri's daily article, the outspoken Italian-American will be offering his best tennis tips to help you improve your game and possibly guide you to Wimbledon glory.

To find out Bollettieri's top tip on day nine of Wimbledon 2015, watch the video below:

To read Bollettieri's column from today, click here.