Alex O'Brien and Jonas Björkman both reached what World ranking in doubles?
Jonas Björkman Jonas Lars Björkman (] ; born 23 March 1972, Alvesta, Sweden) is a former World No. 4 Swedish professional tennis player. He is also a former World No. 1 in doubles. Björkman retired from professional tennis after competing at the 2008 Tennis Masters Cup Doubles championships.
Patrik Rosenholm Patrik Rosenholm (born 5 March 1988 in Stockholm) is a Swedish tennis player. Rosenholm has a career high ATP singles ranking of 350, achieved in 2012 and a career high ATP doubles ranking of 440, achieved on 3 August 2015. Rosenholm made his ATP main draw debut at the 2011 Swedish Open, partnering Carl Bergman, but they lost in the first round to the fourth seeds.