HEDGE FUND billionaire Bill Ackman is set to make his ATP debut alongside two-time Wimbledon doubles champ Jack Sock â at the age of 59.
The pair will take to the court tomorrow at an ATP Challenger event â the Hall of Fame Open in Newport, Rhode Island.


Ackman has a net worth of £6.75billion through his role as founder and CEO of Pershing Square Capital Management.
The New York native has previously shared the court non-competitively with names such as and .
Ackman will be joined by Jack Sock, a former tennis pro who peaked at No8 in the singles rankings, and won three Grand Slam doubles titles, including two at .
Ackman said via X: “I am playing the best tennis of my life and Jack is one of the greatest doubles players ever.
“If we win, I am pretty sure I will be the oldest person in tennis history at 59 to win ATP points.”;
Ackman is just wide of the mark with that claim thanks to Gardnar Mulloy, who held an ATP doubles ranking at the age of 64.
Ackman was initially set to partner tennis maverick after the Aussie suggested they pair up for an ATP event, however, the pro suffered an injury that ruled him out of contention.
Sock had officially stepped back from tennis to focus on pickleball, but stepped in to partner Ackman â despite only first meeting him last week.


It was Sock’s request for a wildcard place for the duo that allowed them to participate in the tournament, where they will be sponsored by Nike.
Sock previously won the doubles event at the Hall of Fame Open in 2021 alongside partner William Blumberg.
They will play Australian duo Omar Jasika and Bernard Tomic in the round of 16, with the latter previously having reached a career high single ranking of No17.
A victory over the Aussies would win both players 25 ATP ranking points alongside a cash prize of almost £1,500 â which Ackman says would go to Sock.