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.
North American Touring Car Championship The North American Touring Car Championship was a touring car racing series using the Supertouring formula that raced in North America in 1996 and 1997. The series was funded in part by IndyCar team owner Gerald Forsythe with input from British series supremo Alan Gow. He appointed his Vice-President of Business Operations, Canadian Roger Elliott to run the operation headquartered in Tampa, Florida. The Dodge Stratus factory team engineered and crewed by PacWest Racing and Honda Accord factory team operated by TC Kline Racing dominated the series as they were one of the only truly professional outfits to contest the championship. The series ran as a support series to CART road and street course races.