Rafa Nadal will have one last chance to face old rival Novak Djokovic before the Spaniard calls time on his illustrious career with the pair set to meet at the Six Kings Slam exhibition event in Saudi Arabia.

Tennis wonderkid Justin Engel has pleaded with Novak Djokovic to avoid retirement for the time being. The German recently followed in the footsteps of Carlos Alcaraz by becoming an extremely young winner on the ATP Tour and he wants to face idol Djokovic before the tennis icon bows out of the sport.

Novak Djokovic and Rafael Nadal, who own 46 Grand Slam singles titles between them, will be among the tennis stars competing for the largest purse in tennis history.