Question: What sport does Andy Ram and Zina Garrison have in common?

Context paragraphs:
Melissa Brown (tennis): Melissa Brown (born April 11, 1968) is a former American international tennis player who was a quarterfinalist at the 1984 French Open after defeating Helene Cedet, Wendy White, Michelle Torres and Zina Garrison before losing to Hana Mandlíková.

1988 New South Wales Open – Women's Singles: Zina Garrison was the defending champion but did not compete that year.

Andy Ram: Andy Ram (Hebrew: אנדי רם‎ ‎ ; born April 10, 1980) is a retired Israeli professional tennis player.  He is primarily a doubles player.

1991 Dow Classic – Singles: Zina Garrison was the defending champion but lost in the semifinals to Natalia Zvereva.

Zina Garrison: Zina Lynna Garrison (born November 16, 1963) is a former professional tennis player from the United States.  During her career, she was a women's singles runner-up at Wimbledon in 1990, a three-time Grand Slam mixed doubles champion, and a women's doubles gold medalist and singles bronze medalist at the 1988 Olympic Games.  She is currently coaching Taylor Townsend.

1988 Virginia Slims of California – Doubles: In the Doubles competition of the 1988 Virginia Slims of California tennis tournament, Hana Mandlíková and Wendy Turnbull were the defending champions but they competed with different partners: Mandlíková with Jana Novotná and Turnbull with Zina Garrison.

1988 US Open – Women's Singles: Martina Navratilova was the defending champion, but she lost in the quarterfinals to Zina Garrison.

1988 Player's Canadian Open – Women's Doubles: Zina Garrison and Lori McNeil were the defending champions but they competed with different partners that year, Garrison with Pam Shriver and McNeil with Betsy Nagelsen.

1988 Virginia Slims of California – Singles: Zina Garrison was the defending champion but lost in the semifinals to Martina Navratilova.

1988 Family Circle Cup – Doubles: Mercedes Paz and Eva Pfaff were the defending champions but they competed with different partners that year, Paz with Mary-Lou Daniels and Pfaff with Zina Garrison.

Supporting paragraphs: Andy Ram Zina Garrison
Answer: tennis