British men's fig 1 Cameron Norrie volition vie astatine the Diriyah Tennis Cup successful Saudi Arabia adjacent month.
Others players competing see erstwhile satellite fig 1 Daniil Medvedev and Olympic champion Alexander Zverev.
Twelve players volition vie astatine the competition, which takes spot betwixt 8-10 December and offers full prize wealth of $3m (£2.63m).
The accumulation lawsuit takes spot astatine a clip erstwhile Saudi Arabia's grounds connected quality rights remains nether scrutiny.
The Gulf kingdom is 1 of the states accused of utilizing high-profile events to 'sportswash' its estimation successful different parts of the world.
Three-time Grand Slam singles champion Stan Wawrinka, 2020 US Open victor Dominic Thiem and Russian satellite fig 7 Andrey Rublev person besides signed up to play.
Amnesty International, 1 of world's biggest quality rights organisations, says players should realise they are "effectively being hired to instrumentality portion successful the latest jamboree of Saudi sportswashing".
A 2021 study by quality rights organisation Grant Liberty said Saudi Arabia had spent upwards of $1.5bn (£1.32bn) to bring planetary athletics to the country.
Boxing, Formula 1 and play person each been criticised for holding events successful the state successful caller years.
"With Saudi Arabia presently throwing sizeable bundles of wealth astatine everything from play and Grand Prix, to boxing and football, it's truly important that apical sporting figures usage their precocious profiles to talk retired astir Saudi quality rights abuses," Felix Jakens, Amnesty International UK's caput of precedence campaigns and individuals astatine risk, said.
"We'd similar to spot immoderate subordinate who agrees to vie successful Diriyah refusing to beryllium passively utilized for sportswashing by speaking retired connected quality close issues."
BBC Sport has contacted Norrie, who is ranked 14th successful the world, for comment.
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