He subsequently played hockey in the national leagues of Sweden, the Czech Republic, and Switzerland until retiring in 2010.

He spent the majority of the season with the Fort Wayne Komets of the IHL, where in 58 games, Hamr had three goals and 16 points.

He returned to HC Sparta Praha for the 1996-97, and had a breakout season offensively, as Hamr had 12 goals and 35 points in 52 games.

Hamr joined Frölunda HC of the SEL in 1997-98, playing in 46 games, scoring two goals and 14 points.

Hamr continued to improve offensively in 2000–01, as he scored 13 goals and 25 points in 50 games, as Färjestad finished in second place in the league.

Hamr had another productive season in 2003–04, as he scored 11 goals and 26 points in 44 games, helping Färjestad into the post-season once again.

In 2004–05, Hamr struggled offensively, scoring three goals and 14 points in 47 games, his lowest totals in Sweden since his first season in 1997-98.

Hamr rebounded offensively in 2005–06, scoring five goals and 26 points in 49 games, helping the team into the playoffs again.

In 11 playoff games, Hamr had two goals and 11 points, as Kloten lost to HC Davos in the semi-final.

Hamr officially announced his retirement from hockey on April 23, 2012, as he joined Farjestad of the SEL as an assistant coach.