He wasn't changing the actual score, he was just not inputting the scores to the handheld computer in a timely manner, or was deliberately making 'mistakes' and later correcting them.
Basically when a player won a point, his friends would bet on that player before he actually awarded them the point on the system. So bookies and other gamblers who rely on the score feed were getting shafted.
prl_lover t1_jed919e wrote
Reply to comment by Victor_Korchnoi in Tennis umpire handed lifetime ban for manipulating scoring by PrincessBananas85
He wasn't changing the actual score, he was just not inputting the scores to the handheld computer in a timely manner, or was deliberately making 'mistakes' and later correcting them.
Basically when a player won a point, his friends would bet on that player before he actually awarded them the point on the system. So bookies and other gamblers who rely on the score feed were getting shafted.