As a PDL team in the Lamar Hunt U.S. Open Cup, Ocean City have six wins with five of them being upsets of professional clubs. Only one other PDL team has more wins and upsets in the tournament (Michigan Bucks with 9.) After not qualifying for the U.S. Open Cup tournament from 2010–2012, the Ocean City returned to Cup action in 2013 defeating the New York Red Bull U-23's in the First Round at Carey Stadium 2–0. In the 2013 2nd Round they defeated USL Pro side the Pittsburgh Riverhounds 1–0 at Carey Stadium marking the team's fifth win over a professional team. However, they were beaten by the Philadelphia Union of MLS in the next round by the score of 2–1, after the Union scored a goal in second half stoppage time.