He was named Best Setter at the 2005 NORCECA Championship in Winnipeg, where Team Canada ended up in third place.
2005 | 2005 in music | volleyball | United States men's national soccer team | World Rally Championship | X-Men | World Championship | NCAA Men's Division I Basketball Championship | Ultimate Fighting Championship | World Championship Wrestling | Canada men's national soccer team | 7 July 2005 London bombings | Mad Men | 2005 NFL season | Boyz II Men | beach volleyball | World Touring Car Championship | Volleyball | Two and a Half Men | men's basketball | 2005 in television | 2005 in baseball | Six Nations Championship | County Championship | British Touring Car Championship | World Chess Championship | national championship | All-Ireland Senior Hurling Championship | Men in Black | Football League Championship |
Argentina earned a spot at the 2006 Champions Trophy in Terrassa, Spain after defeated Korea in the final.
The 2005 Men's Ice Hockey Championships were held March 7 - May 15, 2005, in 7 cities in 6 countries: Vienna and Innsbruck, Austria (Championship); Debrecen, Hungary (Division I - Group A); Eindhoven, the Netherlands (Division I - Group B); Zagreb, Croatia (Division II - Group A); Belgrade, Serbia and Montenegro (Division II - Group B); Mexico City, Mexico (Division III).
He has played for Team Germany in numerous tournaments, including the 2000 (as a sixteen-year-old) and 2001 World Junior Championships, the 2001 U18 Championships, the 2002 World Junior tournament, the 2003 Swiss Cup, the 2005 World Championships, the 2006 Winter Olympics, and the 2010 Winter Olympics.
He was named Most Valuable Player at the 2005 NORCECA Championship in Winnipeg, Canada, where Cuba ended up in second place.
Shortly after he left the team, the head coach Ivan Hlinka died and Růžička took over the position, leading the Czech Republic team to the Vienna World Championship gold medal in 2005.
He also participated in the 2007 NORCECA Championship and the 2007 America's Cup.