The kingdom is putting on the richest tennis exhibition in history, but its wider ambitions in the sport have contracted.

Rafael Nadal starts his pre-retirement farewell tour against Carlos Alcaraz on Thursday at the Six Kings Slam.

Six Kings Slam viewers voiced their frustration over the tournament's camera angle just minutes into Daniil Medvedev's clash with Jannik Sinner. We'll be bringing you the very latest updates, pictures and video on this breaking news story.

The Six Kings Slam is an exhibition event for a half-dozen men that awards money but no ATP ranking points and is Saudi Arabia’s latest foray into tennis.

Nadal will skip the quarter-final round at the Six Kings Slam and battle against Carlos Alcaraz or Holger Rune in the semi-final. The 22-time Major champion will end his career at the Davis Cup Finals in Malaga between November 19-24, competing in the national jersey two decades after debuting.

World No. 1 Jannik Sinner and World No. 2 Carlos Alcaraz both secured victories, advancing to the semifinals of Saudi Arabia's

TV channel: The match between Alcaraz and Nadal will be broadcast live in the UK on Sky Sports Tennis, with coverage getting underway at 7:30pm BST. Live stream: Sky Sports subscribers will also be able to watch on a live stream online via the Sky Go app, while DAZN will be streaming the match for free.

The Six Kings Slam is the most lucrative exhibition tennis tournament ever, taking place in Riyadh, Saudi Arabia, as part of the country’s annual sporting season.