Alex Swift and Jonny Franks bagged doubles, with Mark Broude and Jack Roach also getting their names on the scoresheet.
Seligman said: "We want to make amends for last season and win the competition this year. Everyone feels we have a real chance.
"It was gut-wrenching to not get over the line back then, so we know what we need to do. We have the firepower to cause any side trouble."
Meanwhile, Leeds Maccabi progressed into the semi-finals after Oakhill Lions forfeited.