The loss came in the Hall of Fame Open, an official tournament of the lower-level ATP Challenger tour, which effectively made Mr. Ackman a tennis pro, if only for a day. It fulfilled a lifelong ambition — and, more than likely, he said, ended his career.

Bill Ackman, a 59-year-old billionaire, made his professional tennis debut at the age of 59 on Thursday, with Andy Roddick branding the match "the biggest joke I've ever watched"

Tennis Hall of Famer Andy Roddick has called for an investigation after Bill Ackman made his professional tennis debut alongside Jack Sock in a doubles match

It looks so easy when you're watching from home but one billionaire shared his 'humbling' experience of playing professional tennis.

Former Grand Slam champion Andy Roddick has slammed the decision to allow American billionaire Bill Ackman, 59, to make his professional tennis debut in a Hall of Fame tournament. Ackman, a hedge fund manager and founder of Pershing Square Capital ...

“I guess when you’re worth $9.5 billion, tour players will treat you like a “Make-A-Wish” child in your ATP Challenger match. Bill Ackman is an absolute joke. Shame on the Tennis Hall of Fame, shame on the ATP Tour for allowing this man to buy a wildcard,” one fan wrote sharing a clip of Ackman.

A billionaire hedge fund manager will team up with a two-time Wimbledon winner to make his ATP debut later this week. Bill Ackman is the founder and chief executive officer of Pershing Square Capital Management,