Significant finals
Grand Slam tournament finals
Doubles: 1 (runner-up)
Year-end championships
Doubles: 1 (runner-up)
Masters 1000 finals
Doubles: 6 (2 titles, 4 runner-ups)
ATP career finals
Doubles: 44 (18 titles, 26 runner-ups)
Performance timeline
Doubles
See also
Poland Davis Cup teamExternal links
* * * {{DEFAULTSORT:Fyrstenberg, Mariusz 1980 births Polish male tennis players Living people Olympic tennis players for Poland Tennis players at the 2004 Summer Olympics Tennis players at the 2008 Summer Olympics Tennis players at the 2012 Summer Olympics Tennis players from Warsaw Polish people of Danish descent 21st-century Polish sportsmen