| Doubles | |
|---|---|
| 1989 Newsweek Champions Cup | |
| Champions |  Boris Becker  Jakob Hlasek |
| Runners-up |  Kevin Curren David Pate |
| Final score | 7–6, 7–5 |
Boris Becker and Guy Forget were the defending champions but only Becker competed that year with Jakob Hlasek.
Becker and Hlasek won in the final 7–6, 7–5 against Kevin Curren and David Pate.
The top four seeded teams received byes into the second round.
Sergio Casal / Emilio Sánchez (second round) Ken Flach / Robert Seguso (quarterfinals)
Jorge Lozano / Todd Witsken (second round) Paul Annacone / 
Christo van Rensburg (quarterfinals) Kevin Curren / David Pate (final) Pieter Aldrich / Danie Visser (semifinals)
Anders Järryd / 
Michael Mortensen (second round) Scott Davis / Tim Wilkison (first round)| Semifinals | Final | ||||||||||||
| Boris Becker Jakob Hlasek | 7 | 7 | |||||||||||
| 6 | Pieter Aldrich Danie Visser | 6 | 5 | ||||||||||
| Boris Becker Jakob Hlasek | 7 | 7 | |||||||||||
| 5 | Kevin Curren David Pate | 6 | 5 | ||||||||||
| 5 | Kevin Curren David Pate | 7 | 3 | 6 | |||||||||
| Stefan Edberg Jim Grabb | 5 | 6 | 1 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Casal E Sánchez | 2 | 6 | 3 | |||||||||||||||||||||||
J Gunnarsson  M Woodforde | 6 | 6 | 6 | J Gunnarsson M Woodforde | 6 | 3 | 6 | ||||||||||||||||||||
| L Lavalle J Sánchez | 7 | 4 | 4 | J Gunnarsson M Woodforde | 2 | 6 | 1 | ||||||||||||||||||||
| B Becker J Hlasek | 6 | 6 | B Becker J Hlasek | 6 | 3 | 6 | |||||||||||||||||||||
| S Giammalva Jr. R Van't Hof | 4 | 3 | B Becker J Hlasek | 6 | 6 | ||||||||||||||||||||||
P Lundgren  T Nijssen | 4 | 4 | 7 | A Järryd M Mortensen | 1 | 3 | |||||||||||||||||||||
| 7 | A Järryd M Mortensen | 6 | 6 | B Becker J Hlasek | 7 | 7 | |||||||||||||||||||||
| 6 | P Aldrich D Visser | 6 | 5 | ||||||||||||||||||||||||
| 3 | J Lozano T Witsken | 6 | 3 | ||||||||||||||||||||||||
 A Gómez  C Motta | 6 | 3 |  G Ivanišević S Živojinović | 7 | 6 | ||||||||||||||||||||||
| G Ivanišević S Živojinović | 7 | 6 | G Ivanišević S Živojinović | 3 | 0r | ||||||||||||||||||||||
| E Edwards G Holmes | 4 | 5 | 6 | P Aldrich D Visser | 6 | 1 | |||||||||||||||||||||
 G Connell G Michibata | 6 | 7 | G Connell G Michibata | 7 | 4 | 4 | |||||||||||||||||||||
| E Korita J Levine | 1 | 2 | 6 | P Aldrich D Visser | 6 | 6 | 6 | ||||||||||||||||||||
| 6 | P Aldrich D Visser | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | K Curren D Pate | 5 | 6 | 7 | |||||||||||||||||||||||
| D Cahill M Kratzmann | 7 | 3 | 6 | 5 | K Curren D Pate | 6 | 6 | ||||||||||||||||||||
M Chang  N Pereira | 1 | 6 | 6 | M Chang N Pereira | 3 | 3 | |||||||||||||||||||||
| D Eisenman M Lucena | 6 | 1 | 3 | 5 | K Curren D Pate | 3 | 6 | 6 | |||||||||||||||||||
| D Goldie T Pawsat | 7 | 2 | 6 | 4 | P Annacone C van Rensburg | 6 | 3 | 4 | |||||||||||||||||||
 A Mansdorf  M Mečíř | 5 | 6 | 4 | D Goldie T Pawsat | 7 | 6 | 1 | ||||||||||||||||||||
| 4 | P Annacone C van Rensburg | 6 | 7 | 6 | |||||||||||||||||||||||
| 5 | K Curren D Pate | 7 | 3 | 6 | |||||||||||||||||||||||
| 8 | S Davis T Wilkison | 7 | 2 | 4 | S Edberg J Grabb | 5 | 6 | 1 | |||||||||||||||||||
| P Doohan L Warder | 6 | 6 | 6 | P Doohan L Warder | 6 | 4 | |||||||||||||||||||||
| M Davis B Drewett | 4 | 3 | S Edberg J Grabb | 7 | 6 | ||||||||||||||||||||||
| S Edberg J Grabb | 6 | 6 | S Edberg J Grabb | DEF | |||||||||||||||||||||||
| M Anger G Muller | 7 | 4 | 4 | 2 | K Flach R Seguso | ||||||||||||||||||||||
| J Kriek W Masur | 6 | 6 | 6 | J Kriek W Masur | 6 | 3 | |||||||||||||||||||||
| 2 | K Flach R Seguso | 7 | 6 | ||||||||||||||||||||||||
Defending champion Stefan Edberg defeated Pat Cash in the final, 6–3, 6–4, 3–6, 5–7, 6–3 to win the men's singles tennis title at the 1987 Australian Open.
Boris Becker and Jakob Hlasek were the defending champions, but Hlasek did not participate this year. Becker partnered Guy Forget, and they won the title, defeating Jim Grabb and Patrick McEnroe 4–6, 6–4, 6–3 in the final.
Jakob Hlasek and Anders Järryd were the defending champions, but did not participate together this year. Hlasek partnered Guy Forget, losing in the semifinals. Järryd partnered John Fitzgerald, losing in the second round.
Tim Mayotte was the defending champion but did not compete that year.
Tennis championship held in 1987. Ivan Lendl was the defending champion but lost in the final 7–5, 6–2, 7–5 to Miloslav Mečíř.
John Fitzgerald and Anders Järryd were the defending champions but only Järryd competed that year with Jakob Hlasek.
Joakim Nyström was the defending champion but lost in the third round to Jakob Hlasek.
Boris Becker was the two-time defending champion but lost in the third round to Jay Berger.
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 Danie Visser won the title, defeating Paul Annacone and David Wheaton in the final.
John McEnroe was the defending champion but lost in the semifinals to Boris Becker.
Tim Mayotte was the defending champion but lost in the final 7–6, 6–1, 6–3 against Boris Becker.
Ken Flach and Robert Seguso were the defending champions but lost in the semifinals to John Fitzgerald and Anders Järryd.
John Fitzgerald and Anders Järryd were the defending champions but lost in the first round to Jonathan Canter and Bruce Derlin.
Ivan Lendl was the defending champion.
John McEnroe was the defending champion, but lost in the third round this year.
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.
Rick Leach and Jim Pugh were the defending champions, but lost in the third round this year.
Heinz Günthardt and Balázs Taróczy were the defending champions, but lost in the first round to Sammy Giammalva and Greg Holmes.
The men's doubles tournament at the 1988 US Open was held from August 29 to September 11, 1988, on the outdoor hard courts at the USTA National Tennis Center in New York City, United States. Sergio Casal and Emilio Sánchez won the title, defeating Rick Leach and Jim Pugh by walkover in the final.
The men's doubles tournament at the 1989 French Open was held from 29 May until 11 June 1989 on the outdoor clay courts at the Stade Roland Garros in Paris, France. Jim Grabb and Patrick McEnroe won the title, defeating Mansour Bahrami and Éric Winogradsky in the final.