An experienced side including Simon Charlton and club captain Craig Fleming could not stop Westlake, Haynes and Peters sending Ipswich to a comfortbale victory over their rivals.
Just under 1,000 turned out on Monday night at Portman Road to watch the second-string.
Westlake played the first half and didn't seem to suffer any reocurrences on an ankle injury that has kept him out of first-team action.