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.
Elena Vesnina Elena Sergeyevna Vesnina (Russian: Еле́на Серге́евна Веснина́ ] ; born 1 August 1986) is a Russian professional tennis player. Her career-high rankings are world No. 13 in singles and World No. 3 in doubles. Vesnina is a four-time Grand Slam champion in doubles competition, having won the 2013 French Open, 2014 US Open, and 2017 Wimbledon Championship tournaments with Ekaterina Makarova, and the 2016 Australian Open mixed doubles title with Bruno Soares.