St. John's Prep (12-4-4) will now play No. 9 Brookline in the Division 1 quarterfinal round at a date and time to be determined.
In field hockey, the No. 9 Bishop Fenwick Crusaders suffered a heartbreaking defeat on Tuesday night as they fell to No. 8 Longmeadow 1-0.
The match was scoreless all the way until the fourth quarter. With five minutes left, Longmeadow earned a penalty stroke and Audrey Oh found the back of the net, which gave Longmeadow the lead.
The Crusaders finish the season at 13-3-4.