Photos: Meet The Ex-Wife Of Tennis Legend John McEnroe

Tennis greatness is on display on Sunday morning.

Novak Djokovic is going for Grand Slam win No. 24 on Sunday. He's facing No. 1-ranked player Carlos Alcaraz in the men's singles final at Wimbledon.

John McEnroe knows a thing or two about winning Grand Slams. The legendary U.S. men's tennis star is one of the greatest players i the history of the sport.

The hot-tempered tennis star remains a big personality, calling major tournaments for ESPN.

McEnroe was previously married to his ex-wife, Tatum O'Neal, from 1986-94. They began dating in 1984 and were married two years later.

The couple have three children together. They separated in 1992 and officially divorced in 1994.

McEnroe obtained custody of the children in 1998, due to his ex-wife's reported drug problems.

O'Neal, meanwhile, has written a couple of memoirs about her life and her struggles.

McEnroe remarried and has been with his current wife, Patty Smyth, since 1997.