RULES April 29, 2021 3-Cushion KNBB Jumbo Masters 2021 – Last 8 Jean van Erp vs Raymund SwertzQuarterfinal Jean van Erp vs Raymund Swertz. This is second match between both players during this competition. Tough rules for the nerves: best of 5 sets to 10 points. 30 secondes shot clock and no time out! Info about the…