Future of tennis: Rafael Nadal takes part in a kids coaching clinic.

Big backhand: Stan Wawrinka during his clash with David Ferrer.

Full stretch: Ferrer defeated Wawrinka to set up a semi-final with Nadal.

Meet and greet: Jo-Wilfried Tsonga takes some time to speak to fans.

Back in action: Murray lost to Tsonga in his first match back from injury.

Big win: Tsonga's victory over Murray set up a showdown with Djokovic.

Imparting wisdom: Tennis legend Pat Cash hosts a kids coaching clinic.

Serve it up: Nadal lost his semi-final match against fellow Spaniard Ferrer.

On-form: Ferrer's victory over Nadal ensured a place in the final.

Big battle: Tsonga reacts during his semi-final clash with Novak Djokovic.

On-form: Djokovic is yet to lose at the Mubadala Championship.

Having a laugh: Boris Becker, shares a joke with Djokovic's fiance.

Gunning for a third title: Djokovic in action in the final against Ferrer.

Battling display: Ferrer fires a forehand during the final against Djokovic.

Good match: Djokovic (l) & Ferrer greet each other at the net after the final.

Runner-up: Ferrer poses with his trophy following defeat to Djokovic.

Sealed with a kiss: Djokovic plants a smacker on the Mubadala trophy.