2008-09: Tobias Rieder played for EV Lanshut's U-18 squad. In 36 games, he scored 28 goals and added 24 assists for 52 points. In 9 playoff games, Rieder scored 6 goals and added 8 assists for 14 points. Rieder played for Germany at the 2009 World U-17 Hockey Challenge, picking up no points in 5 games. Rieder also played for Germany at the 2009 U-18 World Junior Championship, scoring 1 goal and adding 3 assists for 4 points in 6 games.
2009-10: Rieder played for the Landshut Cannibals in Germany's second tier league. In 45 games, he scored 10 goals and added 13 assists for 23 points. He registered no points in 6 playoff games. Rieder played for Germany at the 2010 U-20 World Junior Championship (D1), scoring 4 goals and adding 2 assists for 6 points in 5 games. Rieder also played for Germany at the 2010 U-18 World Junior Championship (D1), scoring 6 goals and adding 1 assist for 7 points in 5 games. Rieder was chosen in the first round, 5th overall, of the 2010 CHL Import Draft by the OHL's Kitchener Rangers.
2010-11: In his OHL rookie season, Rieder played in 65 games for the Rangers. He scored 23 goals and added 26 assists for 49 points. In 7 playoff games, Rieder picked up 2 assists. Rieder played for Germany at the 2011 U-20 World Junior Championship, scoring 1 goal and adding 1 assist for 2 points in 6 games. Rieder also played for Germany at the U-18 World Junior Championship, scoring 3 goals in 3 games.
2011-12: Rieder returned to the OHL after attending Edmonton's training camp and was the leading scorer for the Kitchener Rangers in his second season in North America. He was the leading scorer at the 2012 U20 Division 1A World Junior Championship as Germany won the tournament – winning all five games it played. Rieder scored 42 goals with 42 assists and was plus-22 with 25 penalty minutes in 60 games for Kitchener. The Rangers finished second in the Midwest Division and reached the OHL semifinals. Rieder led Kitchener in scoring during the playoffs with 13 goals and 14 assists in 16 games and was plus-six with 4 penalty minutes. Playing at the D1A WJC, he scored 5 goals with 8 assists and was plus-6 in five games as host team Germany easily won its way back into the top division for 2013.
2012-13: Rieder returned to Kitchener for his third OHL season, making the transition from winger to center, and played for Germany in the 2013 World Junior Championship. After a slow start he had a big second half for the Rangers. Rieder scored 27 goals with 29 assists in 52 games and was +9 with 12 penalty minutes. Kitchener finished third in the Midwest Division and advanced to the second round in the playoffs; falling to OHL champion London. Rieder scored 2 goals with 10 assists and was +2 with 4 penalty minutes in nine playoff games before suffering a broken hand. He scored 3 goals with 2 assists and was -8 in six games for Germany at the WJC. Acquired by Phoenix from Edmonton in exchange for Kale Kessy in a March 2013 trade, Rieder signed a three-year entry -level contract with the Coyotes in April, 2013.
Rieder combines above average skill with a high compete level and is an exciting player to watch as a result. He brings both offensive ability and a willingness to get his nose dirty to the table, and is a fan favorite as a result. He has leadership skills to boot, being named an alternate captain for both Kitchener and the U20 Germany team. He has a slight build and lacks ideal height however, and this leads to him being worn down from time to time.
It was hard to have a better 2011-12 for Rieder, who had 84 points in 60 games. However, his final season in the OHL he had 56 points in 51 games and played a solid U20 World Junior Championship for Germany, and also wore an “A” on his sweater for both his junior and international team. He signed an entry-level deal with the Coyotes in April 2013 and will now make way to Portland to start his pro career and continue the trend of leadership and quality that made him one of the more intriguing prospects in juniors.