 In his first season, the club won their first-ever Eredivisie title and Tiendalli established himself in the first team, in the absence of Slobodan Rajković and Nicky Kuiper.During the season, Tiendalli made his Europa League debut and played in both legs against Werder Bremen in which Twente lost 4–2, which saw them eliminated in the second round of the competition.In the 2010–11 season, Tiendalli made his first start under Johan Cruyff in which Twente won 1–0.