Scott Davis and David Pate were the defending champions but lost in the quarterfinals to Kevin Curren and Matt Mitchell.
Paul Annacone and Christo van Rensburg were the defending champions.
 Annacone participated with John Fitzgerald, and lost in the quarterfinals to Scott Davis and David Pate, while Van Rensburg played with Kevin Curren, and lost in the semifinals to Grant Connell and Glenn Michibata.
<br>Rick Leach and Jim Pugh defeated Connell and Michibata 3–6, 6–4, 6–2, in the final.
John McEnroe won the title, defeating Kevin Curren 6–3, 3–6, 6–2 in the final.
Scott Dennis Draper (born 5 June 1974) is an Australian former tennis player and golfer.
 He won the Australian Open Mixed Doubles with Sam Stosur in 2005.
 Draper also reached the fourth round of the 1995 and 1996 French Opens, and the fourth round of the US Open in 1997.
For the 1990 Tokyo Indoor – Doubles Kevin Curren and David Pate were the defending champions, but Curren did not participate this year.
 Pate partnered Scott Davis, losing in the final.
John McEnroe was the defending champion but lost in the quarterfinals to Kevin Curren.
 Curren also defeated Jimmy Connors in the semifinal and became the first player ever to defeat both Connors and McEnroe in the same Grand Slam tournament.
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.
Kevin Curren and Steve Denton were the defending champions, but Curren did not participate this year.
 Denton partnered Victor Amaya, losing in the second round.
Jeremy Bates and Kevin Curren were the defending champions but they competed with different partners that year, Bates with Nick Brown and Curren with Neil Broad.
Kevin Curren and Guy Forget were the defending champions but they competed with different partners that year, Curren with Brad Pearce and Forget with Yannick Noah.

Question: Did Scott Draper or Kevin Curren play more sports?
Answer: Scott Dennis Draper (born 5 June 1974) is an Australian former tennis player and golfer.