Stuifbergen made his debut for the Netherlands National Baseball Team on July 11, 2006 against Italy in the European Baseball Championship. Stuifbergen was the winning pitcher, throwing six shutout innings with three strikeouts, five hits and one base on balls. In his second start for the Netherlands national baseball team at the Haarlemse Honkbalweek (English: Haarlem Baseball Week) against Japan, he threw 4.2 innings and gave up four earned runs with one strikeout, eight hits and one walk.
In November, he played in the 2006 Intercontinental Cup where the team was runner-up to Cuba. Stuifbergen pitched 7.1 innings in 4 appearances. His record was 2-1 with three strikeouts, three walks, nine hits and three earned runs and a 3.68 ERA.
In the 2009 World Baseball Classic, he started the Netherlands' second game against the favored Dominican Republic. He pitched 4 innings, had three strikeouts, and allowed no runs. The Dutch went on to win the game, their second of the 2009 WBC, to advance to the second round.[2]
