it is mark selby standing at the height of 6'3inc
David
Probably David Grace, who looks a head taller at least than Ronnie O'Sullivan who is 6' tall. though he's an outsider in the rankings so doesn't get much tv coverage, for the regular circuit players recently Neil Robertson, Mark Williams, Judd Trump, Mark Selby, Kyren Wilson, Stephen Maguire, Ryan Day, Thepchaiyah Uh Nooh among others are over 6 foot tall, they are all comparable around 6'3" give or take, Ricky Walden is slightly taller. Jordan Brown is also at least as tall as Mark Selby.
Andy roddick??
Ray Reardon has: Played himself in "This Is Your Life" in 1969. Played Himself - Guest in "The David Nixon Show" in 1972. Played Himself - Commentator in "Pro-Celebrity Snooker" in 1976. Played himself in "Pro-Celebrity Snooker" in 1976. Played Himself - Player in "Pro-Celebrity Snooker" in 1976. Played himself in "Masters Snooker" in 2009.
Mark Allen - snooker player - was born on 1986-02-22.
Sidney Smith - snooker player - was born in 1908.
Gary Owen - snooker player - was born in 1929.
Philip Williams - snooker player - was born in 1968.
Sidney Smith - snooker player - died in 1990.
John Dunning - snooker player - was born in 1927-04.
By Reyan- written paragraph in 2016 Ronnie O'sullivan is a pro (master) snooker player who is 40 years old and he has won several titles and trophies in his time. He started to play snooker at a young age and that's what has made him a brilliant snooker player and has won dozens of games against people.
John Spencer - snooker player - was born on 1935-09-18.
Anthony McGill - snooker player - was born on 1991-02-05.
Tony Jones - snooker player - was born on 1960-04-15.