The Pilgrims were beaten 6-2 by South Shields at Washington Hub.
Ezra Aaron and Will Langford were the goalscorers for Ray Power's side.
Boston: Zach Biggs, Rueben Fogg, Josh Doran, Will Langford, Finley Ging, Ellis Perry-Burdett, Ezra Aaron, Kris Zaluzinskis, Jake Henderson (JJ Ward 60), Lucas Turrell (Nathan Bowen 69), Luke Horne.