With Tranent leading 2-1 in the second half they were handed a boost when the keeper was dismissed after becoming involved in an altercation with his own fans.
Tranet’s Twitter account said: “Oakley down to 10 men Oakley keeper jumps barrier and starts fighting with own supporters.”
Within a couple of minutes a third goal was added.
Oakley finished with nine men as Tranent recorded a comprehensive victory.