The four quarterfinal matchups in the Suffolk County team playoffs feature seven of the top eight seeds, with the lone party crasher being 10th seeded Northport, who booked its spot in the final eight with a 4-3 upset win over seventh-seed Ward Melville on Wednesday.
Northport was led by Ryan Rosenblum and Drake Testa at first doubles as the duo defeated David Peretz and Ben Catalfo 7-6(5), 4-6, 7-6(5) to lead their team to the win.
Awaiting Northport for a spot in the semifinals will be defending county champion Commack, who beat 15th seed West Islip in its match on Wednesday.
Below are the other quarterfinal matchups set for Thursday in Suffolk:
►(8) Half Hollow Hills West at (1) Half Hollow Hills East
►(6) Connetquot at (3) Bay Shore
►(5) East Hampton at (4) Harborfields