Question: Are Robin White and Kevin Ullyett both former professional tennis players?

full_context: Document 1: 2006 Rogers Masters – Doubles: Wayne Black and Kevin Ullyett were the defending champions, but Black retired in 2006, and only Ullyett competed that year.
Document 2: Arthur Ashe: Arthur Robert Ashe Jr. (July 10, 1943 – February 6, 1993) was an American professional tennis player. He won three Grand Slam titles.
Document 3: Mark Knowles: Mark Knowles (born 4 September 1971) is a former tennis player from the Bahamas, specialising in doubles tennis. He has won a number of Grand Slam tournaments, most notably partnering with Daniel Nestor. At various times between 2002 and 2005 he was ranked World No. 1 in doubles. He is a five-time Olympian.
Document 4: Haroon Ismail: Haroon Ismail (born February 27, 1955 in Salisbury, now Harare) is a former tennis professional from Rhodesia and Zimbabwe.
Document 5: 1990 US Open – Mixed Doubles: Robin White and Shelby Cannon were the defending champions but lost in the second round to Zina Garrison and Rick Leach.
Document 6: 2010 If Stockholm Open – Doubles: Bruno Soares and Kevin Ullyett were the defending champions. Ullyett retired from professional tennis in 2009.
Document 7: Roscoe Tanner: Roscoe Tanner (born October 15, 1951) is a retired American professional tennis player, who turned pro in 1972 and reached a career-high world singles ranking of World No. 4 on July 30, 1979.
Document 8: Kevin Curren: Kevin Melvyn Curren (born 2 March 1958) is a South African-American former professional tennis player. He played in two Grand Slam singles finals and won four Grand Slam doubles titles, reaching a career-high singles ranking of World No. 5.
Document 9: Chanda Rubin: Chanda Rubin (born February 18, 1976) is an American tennis player. Winning seven WTA Tour singles titles, she reached her highest ranking at World No. 6 on April 8, 1996, after reaching semifinals at the 1996 Australian Open. Rubin is also former World No. 9 in doubles, winning the Australian Open in 1996 partnering with Arantxa Sánchez Vicario.
Document 10: Andy Roddick: Andrew Stephen Roddick (born August 30, 1982) is an American former professional tennis player from the US.
Document 11: Robin White (tennis): Robin White (born December 10, 1963) is a former professional tennis player from the United States.
Document 12: Vitas Gerulaitis: Vytautas Kevin Gerulaitis (July 26, 1954 – September 17, 1994) was an American professional tennis player. In 1975, Gerulaitis won the men's doubles title at Wimbledon, partnering with Sandy Mayer. He won the men's singles title at one of the two Australian Open tournaments held in 1977 (Gerulaitis won the tournament that was held in December, while Roscoe Tanner won the earlier January tournament). Gerulaitis also won two Italian Open titles, in 1977 and 1979, and the WCT Finals in Dallas, in 1978.
Document 13: Althea Gibson: Althea Gibson (August 25, 1927 – September 28, 2003) was an American tennis player and professional golfer, and the first black athlete to cross the color line of international tennis. In 1956, she became the first person of color to win a Grand Slam title (the French Open). The following year she won both Wimbledon and the U.S. Nationals (precursor of the U.S. Open), then won both again in 1958, and was voted Female Athlete of the Year by the Associated Press in both years. In all, she won 11 Grand Slam tournaments, including six doubles titles, and was inducted into the International Tennis Hall of Fame and the International Women's Sports Hall of Fame. "She is one of the greatest players who ever lived," said Robert Ryland, a tennis contemporary and former coach of Venus and Serena Williams. "Martina couldn't touch her. I think she'd beat the Williams sisters." In the early 1960s she also became the first black player to compete on the women's professional golf tour.
Document 14: Kevin Ullyett: Kevin Ullyett (born 23 May 1972 in Salisbury, now Harare) is a former professional tennis player from Zimbabwe. His primary success on the tour was in men's doubles.
Document 15: Martina Navratilova: Martina Navratilova (Czech: "Martina Navrátilová" ] ; born Martina Šubertová ] ; October 18, 1956) is a former Czechoslovak and later American tennis player and coach. In 2005, "Tennis" magazine selected her as the greatest female tennis player for the years 1965 through 2005 and she is considered one of the best, if not the best, female tennis players of all time.
ground_truth: yes