On May 11, they lost their first game, 4–3, to the Atlantic City Surf, in front of 7,300 fans. They finished the 2005 season with a record of 64 wins and 76 losses. In finishing the first half of the 2006 season with a record of 38–25, the Barnstormers qualified for their first Atlantic League playoff berth. They also won the second half, posting a record of 37–26. After defeating division challenger, Atlantic City, in the first round of the playoffs, the Barnstormers swept the Bridgeport Bluefish to win their first Atlantic League championship, in only their second season. Pitcher Denny Harriger threw a complete game, breaking a franchise record for consecutive pitches. It was the city of Lancaster's first professional championship since 1955, when the former Red Roses won the Piedmont League title. The Barnstormers played in the 2012 Atlantic League Championship Series but were ultimately defeated by the Long Island Ducks in Game 5. In 2012, the Lancaster Barnstormers set an Atlantic League record with 88 wins.