Question: Which tennis player reached a higher World ranking in doubles, Slobodan Živojinović or Elena Vesnina?
Context: Tobias Svantesson (born April 1, 1963, in Malmo, Sweden), is a former professional tennis player from Sweden.  He enjoyed most of his tennis success while playing doubles.  During his career he won 2 doubles titles.  He achieved a career-high doubles ranking of World No. 65 in 1991.  His career high world ranking in singles was no 89. The 1988 Swan Premium Open was a tennis tournament played on indoor hard courts at the Sydney Entertainment Centre in Sydney, Australia and was part of the 1988 Nabisco Grand Prix.  It was the 16th edition of the tournament and ran from 10 through 16 October 1988.  Fifth-seeded Slobodan Živojinović won the singles title. The Men's Doubles tournament at the 1986 US Open was held from August 26 to September 7, 1986, on the outdoor hard courts at the USTA National Tennis Center in New York City, United States.  Andrés Gómez and Slobodan Živojinović won the title, defeating Joakim Nyström and Mats Wilander in the final. Nenad Zimonjić (Serbian Cyrillic: , ] ; born June 4, 1976) is a Serbian professional tennis player who was ranked World No. 1 in 2008 in doubles.  He is the second tennis doubles player from Serbia to hold the World No. 1, after Slobodan Živojinović.  While Zimonjić is known as a doubles specialist (winning 3 Grand Slams in men's doubles and 5 in mixed doubles), he has recorded two big wins in his singles career.  A 22 year span consisting of 54 Davis Cup ties including 43 victories has resulted in him becoming the most accomplished Davis Cup player in his nations history.  His strongest weapon is very powerful first serve that he can hit at up to 235 km/h (146 mph). 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. This is a list of the main career statistics of professional tennis player Elena Vesnina. Jorge Lozano (born 17 May 1963 in San Luis Potosí) is a retired professional tennis player from Mexico.  He reached his highest doubles ranking of World No. 4 in August 1988.  His highest singles ranking was World No. 51, achieved the following month.  During his career, he won two mixed doubles titles at the French Open: in 1990 with Arantxa Sánchez, and in 1988 with Lori McNeil.  He reached the round of 16 in singles at the 1988 US Open and also the semifinal in doubles that same year.  Qualified twice for the Doubles Masters at the Royal Albert Hall in London and reached the semifinals in 1988.  In his career, he won nine doubles titles, but no singles titles.  He turned professional in 1986, and in his career, he won $U.S.739,424 in prize money.  He was the first player to be beaten by Pete Sampras in the main draw of a Grand Slam tournament, at the French Open in 1989.  In Davis Cup play, represented Mexico for 15 years, 1981–1995, won 12 doubles matches, and lost 12 as well.  He lost 11 singles matches, and won 8, making his overall win / loss record at the Davis Cup 20–23.  Lozano won his first title at Forest Hills in 1988, with his partner Todd Witsken, and won his last at Athens in 1993.  He resides in Guadalajara, Mexico where he directs a tennis academy for kids and also coaches the men and women tennis team at the University Tec de Monterrey.  He is currently the captain of the Mexican Davis Cup Team. Daniel C. Goldie (born October 3, 1963) is a former tennis player from the United States who won 2 singles (1987, Newport and 1988, Seoul) and 2 doubles titles (1986, Wellington and 1987, Newport).  The right-hander reached the quarterfinals of Wimbledon in 1989 where he beat Kelly Evernden, Jimmy Connors, Wally Masur and Slobodan Živojinović before losing to Ivan Lendl.  He achieved a career-high ATP singles ranking of World No. 27 in April 1989.  Before turning pro, Goldie played tennis for Stanford University, where he won the 1986 National Singles Championship before graduating with a degree in Economics. Ekaterina Valeryevna Makarova (Russian: Екатери́на Вале́рьевна Мака́рова ; ] ; born on 7 June 1988) is a Russian professional tennis player.  She achieved her career-high ranking of number 8 on 6 April 2015.  Her best Grand Slam singles results have come at the 2014 US Open and the 2015 Australian Open where she reached the semifinals on both occasions.  Makarova is a four-time Grand Slam champion in doubles competition, having won the 2012 US Open mixed doubles tournament with Bruno Soares, and the 2013 French Open, the 2014 US Open and 2017 Wimbledon Championships with Elena Vesnina. Slobodan "Boba" Živojinović (, ] ; born on July 23, 1963) is a retired Serbian tennis player who competed for SFR Yugoslavia.  Together with Nenad Zimonjić he is the only tennis player from Serbia to be the World No. 1 in doubles.  As a singles player, he reached the semi-finals of the 1985 Australian Open and the 1986 Wimbledon Championships, achieving a career-high ranking of World No. 19.
Answer: Elena Sergeyevna Vesnina