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.
2006 Australian Open – Mixed Doubles Wildcard team Martina Hingis and Mahesh Bhupathi defeated sixth-seeded Elena Likhovtseva and Daniel Nestor 6–3, 6–3 to win the Mixed Doubles title at the 2006 Australian Open tennis tournament.