Jorge Lozano and Todd Witsken won in the final 6–3, 7–6 against Pieter Aldrich and Danie Visser.
Rick Leach and Jim Pugh were the defending champions, but lost in the semifinals to Grant Connell and Glenn Michibata.
<br>Pieter Aldrich and Danie Visser won the title, defeating Connell and Michibata 6–4, 4–6, 6–1, 6–4, in the final.
Darren Cahill and Wally Masur were the defending champions.
 Cahill did not compete that year, while Masur partnered Brad Drewett, but lost in the first round.
<br>Pat Cash and Mark Kratzmann won the title, defeating Pieter Aldrich and Danie Visser 6–4, 7–5, in the final.
Pieter Aldrich and Danie Visser were the defending champions, but lost in the first round to Paul Haarhuis and Mark Koevermans.
<br> Scott Davis and David Pate won the title, defeating Patrick McEnroe and David Wheaton 6–1, 4–6, 6–4, 5–7, 9–7, in the final.
 This was Pate's first Grand Slam title and final, despite gaining the World No. 1 ranking two weeks earlier.
Pieter ("Piet") Aldrich (born 7 September 1965) is a former professional tennis player from South Africa.
 A doubles specialist, he won 2 Grand Slam men's doubles titles (1 Australian Open and 1 US Open).
 Aldrich reached the World No. 1 doubles ranking in 1990.
Zina Garrison was the defending champion but lost in the semifinals to Martina Navratilova.
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.
The Men's Doubles tournament at the 1990 US Open was held from August 27 to September 9, 1990, on the outdoor hard courts of the USTA National Tennis Center in New York City, United States.
 Pieter Aldrich and Mark Woodforde won the title, defeating Paul Annacone and David Wheaton in the final.
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.
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.

Question: Who is older, Zina Garrison or Pieter Aldrich?
Answer: Zina Lynna Garrison