East Lyme — Nate Delesdernier's first half goal held up as third-seeded East Lyme High School beat defending champion Montville, 1-0, in the quarterfinals of the Eastern Connecticut Conference boys' soccer tournament Monday night.
The Vikings (11-1-5) will play No. 7 Stonington in Wednesday's semifinals at a site and time to be determined.
The Bears upset No. 2 Windham 1-0. Top-seeded Waterford will play No. 4 Norwich Free Academy in the other semifinal.
East Lyme goalie Zach Kosakowski had seven saves, including a pair of key ones in the second half to keep the Indians off the board.
Montville, ranked fifth in the state coaches' Class M/S poll, is 12-5.
In other quarterfinal games:
• NFA scored twice in 15 seconds with over six minutes left in the game to beat Bacon Academy, 3-2. Tim Paz scored twice for No. 4 for the Wildcats (11-4-1) and Camden Levine added a goal.
Izaak Miller, Mason Rivera, and Andris Vital each added an assist. Colby Decker scored for No. 5 Bacon and goalie Austin Rhodes added 10 saves.
• Ethan Murphy scored with two minutes, 15 seconds left in the first half to give No. 7 Stonington its 1-0 win over No. 2 Windham.
Nick Rosa had the assist for Stonington (11-4-2). Vasilis Papadam had 12 saves for the Whippets.
• Connor Murphy scored two goals and Aaron Schwartz added a goal and an assist in No. 1 Waterford's 4-0 shutout of No. 8 Lyman Memorial.
Schneider Jean-Pierre also had a goal and Austin Schwartz had three saves for the Lancers (16-1).
• Lucas Dantas scored a pair of goals as St. Thomas More edged St. Luke's, 4-3.
Sami Ahmed and Mauricio Chavez each added a goal and an assist for the Chancellors and goalie Kory Fortier made five saves.
• Kimberlee Grohocki scored a goal off an assist from Julia Peay in Waterford's 1-1 nonleague overtime tie with Old Saybrook.
Goalie Jodie Weiss played well in net, making 11 saves for the Lancers (7-5-3, 7-4-3).