Norway's Steffen R. Mellemseter run at the 2012 German Masters came to an end in the semifinals with a 6-3 loss to Wolfgang Burba (Oberstdorf, GER). of the 2012 German Masters in Hamburg, Germany; Mellemseter advanced through the quarterfinals with a 9-6 win over Rasmus Stjerne (Hvidovre, DEN). of the 2012 German Masters in Hamburg, Germany;
 
Norway's Steffen R. Mellemseter finished 2-0 in the 16-team qualifying round. . In their opening game, Norway's Steffen R. Mellemseter defeated Czech Republic's Radeck Klima 9-3, then won 6-3 against Burba in their final qualifying round match.
 
. For week 24 of the event schedule, Norway's Steffen R. Mellemseter did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Norway's Steffen R. Mellemseter ranks th overall on the Year-to-Date rankings with points earned so far this season.