What was the name of the championship series Robert Seguso and Vasek Pospisil  were involved with?
Robert Seguso Robert Arthur Seguso (born May 1, 1963) is a former professional tennis player from the United States. A doubles specialist, he won four Grand Slam men's doubles titles (two Wimbledon, one French Open and one US Open). He also won the men's doubles Gold Medal at the 1988 Olympic Games in Seoul, partnering Ken Flach. Seguso reached the World No. 1 doubles ranking in 1985. He won a total of 29 career doubles titles between 1984 and 1991.
2016 PSA World Tour The PSA World Tour 2016 is the international squash tour organised circuit organized by the Professional Squash Association (PSA) for the 2016 squash season. The most important tournaments in the series is the Men's World Championship and the Women's World Championship. The tour features three categories of regular events, World Series, which feature the highest prize money and the best fields, International and Challenger. In the middle of the year, the PSA World Series tour is concluded by the Men's PSA World Series Finals and the Women's PSA World Series Finals in Dubai, the end of the world series season for the top 8 rated players. Players performances in the tour are rated by the Men's World Rankings and Women's World Rankings.