Goals came via Josh Green, Harry Croughan, Rory O'Malley and Jake Hughes.
On an adjoining pitch at King George V, Cosham, there was also victory for Bedhampton Village A in Division 5.
They defeated rock bottom Fratton Trades Reserves 2-1, with the latter suffering an 11th consecutive league loss this season.
Pictures by Keith Woodland
They defeated rock bottom Fratton Trades Reserves 2-1, with the latter suffering an 11th consecutive league loss this season.
2 / 7