Champions League where they finished first in their group. In the knockout rounds, Kawashima allowed no regulation goals in the quarterfinals against Iran's Sepahan club, but lost 5–4 in the penalty shoot-out. He also helped the side reach the final of J.League Cup, which was lost 1–0 to Gamba Osaka. At the end of the 2007 season, Kawashima had made 48 appearances (34 in the league) in all competitions. In the 2008 season, Kawashima remained the club's first choice goalkeeper and started the opening game of the season, a 1–1 draw against Tokyo Verdy. He then kept two clean sheets on 30 March 2008 and 2 April 2008 against JEF United Chiba and Consadole Sapporo. Between 26 April 2008 and 6 May 2008, he helped the side win four league matches in a row. Kawashima then kept two consecutive clean sheets between 23 November 2008 and 29 November 2008 against Gamba Osaka and Vissel Kobe. However, Kawasaki Frontale failed to win the league, finishing as runners-up behind winners Kashima Antlers. Until the end of the 2008 season he went on to make 36 appearances (34 in the league) in all competitions. Ahead of the 2009 season, Kawashima was named the club's senior captain. He continued as the club's first choice goalkeeper at the start of the season. He then helped the side win six league matches in a row between 10 May 2009 and 1 July 2009. Along the way, he kept three clean sheets in a row between 20 June 2009 and 1 July 2009. Following this, Kawashima was determined to help Kawasaki Frontale win the league. At the start of October, Kawashima helped the club go on a winning streak against Omiya Ardija, Kashima Antlers and Sanfrecce Hiroshima in the league keeping their fight for the title alive. However, once again, Kawasaki Frontale failed to win the league, they finished as runners-up behind winners Kashima Antlers, while losing 2–0 to FC Tokyo in the J.League Cup Final. At the end of the 2009, Kawashima was named in the J. League Best Eleven and also won the Individual Fair-Play award for the first time in his career. He made a total of 47 appearances (34 in the league) in all competitions. Ahead of the 2010 season, Kawashima was linked with a move away from Kawasaki Frontale, but ultimately stayed at the club. He stayed as the club's first choice