Tennis will hold a professional event in Saudi Arabia for the first time after a five-year deal was agreed for Jeddah to host the Next Gen ATP Finals.
The season-ender for the best men under 21 has featured world number one Carlos Alcaraz and top-10 players Casper Ruud and Stefanos Tsitsipas in recent years.
Saudi Arabia has invested huge amounts of money into football, golf, Formula 1 and boxing in recent years.
But the nation has long been criticised for its poor human rights record.
Women's rights campaigners have been imprisoned in Saudi Arabia, despite some reform under crown prince Mohammed bin Salman, such as an end to the ban on women driving.