For anyone interested oh how they can o this, rule set 7.10.8

In the event of a restart, the League may instead award a Game victory to a Team, if a Game has been played for more than 20 minutes on the gameclock and League Officials, at their sole discretion, determine that a Team cannot avoid defeat to a degree of reasonable certainty. The following criteria may be used in the determination of reasonable certainty: Gold Differential - The difference in Gold between Teams is more than 33%. Turret Differential - The difference in remaining Turrets between Teams is greater than seven. Inhibitor Differential - The difference in standing Inhibitors between Teams is three.