RULES April 21, 2021 2021 US OPEN Mens Pro Split Age Loong/Olin vs Petty/Simon Round I2021 US OPEN Mens Pro Split Age Loong/Olin vs Petty/Simon Round I Best 2/3 games to 11 Rules: 1 player over 50 years and the other play must be below 50 years. First time ever this format has been used…