| Doubles | |
|---|---|
| 1990 Swiss Indoors | |
| Champions |  Stefan Kruger Christo van Rensburg |
| Runners-up |  Neil Broad Gary Muller |
| Score | 4–6, 7–6, 6–3 |
| Draw | 16 (1WC/1Q) |
| Seeds | 4 |
Udo Riglewski and Michael Stich were the defending champions, but lost in the quarterfinals to Jim Courier and Patrick Galbraith.
Stefan Kruger and Christo van Rensburg won the title by defeating Neil Broad and Gary Muller 4–6, 7–6, 6–3 in the final. [1] [2]
Udo Riglewski / Michael Stich (quarterfinals)
Goran Ivanišević / 
Petr Korda (quarterfinals) Neil Broad / Gary Muller (final)
Gustavo Luza / Tomáš Šmíd (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | U Riglewski M Stich | 6 | 6 | ||||||||||||||||||||||||
| WC |  L Mattar  M Rosset | 2 | 2 | 1 | U Riglewski M Stich | 6 | 3 | ||||||||||||||||||||
 J Gunnarsson  N Pereira | 5 | 6 |  J Courier P Galbraith | 7 | 6 | ||||||||||||||||||||||
| J Courier P Galbraith | 7 | 7 | J Courier P Galbraith | 4 | 7 | 3 | |||||||||||||||||||||
| 3 | N Broad G Muller | 7 | 3 | 6 | 3 | N Broad G Muller | 6 | 6 | 6 | ||||||||||||||||||
V Flégl  JP Fleurian | 6 | 6 | 1 | 3 | N Broad G Muller | 6 | 7 | ||||||||||||||||||||
| J Brown S Melville | 5 | 4 | S DeVries  D Macpherson | 4 | 5 | ||||||||||||||||||||||
| S DeVries D Macpherson | 7 | 6 | 3 | N Broad G Muller | 6 | 6 | 3 | ||||||||||||||||||||
| K Nováček M Šrejber | 6 | 7 | S Kruger C van Rensburg | 4 | 7 | 6 | |||||||||||||||||||||
 C Caratti D Nargiso | 2 | 5 | K Nováček M Šrejber | 3 | 6 | ||||||||||||||||||||||
| Q | P Baur R Deppe | 3 | 6 | 6 | 4 | G Luza T Šmíd | 6 | 7 | |||||||||||||||||||
| 4 | G Luza T Šmíd | 6 | 4 | 7 | 4 | G Luza T Šmíd | 6 | 2 | 2 | ||||||||||||||||||
| C Beckman L Jensen | 1 | 4 | S Kruger C van Rensburg | 4 | 6 | 6 | |||||||||||||||||||||
| S Kruger C van Rensburg | 6 | 6 | S Kruger C van Rensburg | 6 | 6 | ||||||||||||||||||||||
 M Bahrami L Pimek | 4 | 7 | 6 | 2 | G Ivanišević P Korda | 4 | 3 | ||||||||||||||||||||
| 2 | G Ivanišević P Korda | 6 | 6 | 7 | |||||||||||||||||||||||
Guy Forget and Jakob Hlasek won in the final 2–6, 6–3, 6–4, against Udo Riglewski and Michael Stich.
Udo Riglewski and Michael Stich were the defending champions of the doubles event at the CA-TennisTrophy tennis tournament but lost in the semifinals to Jakob Hlasek and Patrick McEnroe.
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 Fitzgerald and Anders Järryd were the defending champions but lost in the first round to Jonathan Canter and Bruce Derlin.
Neil Broad and Stefan Kruger were the defending champions but did not compete that year.
Paul Annacone and Christo van Rensburg were the defending champions. Annacone competed alongside Kelly Evernden but lost in the semifinals, while van Rensburg played with Kevin Curren and lost in the quarterfinals.
Darren Cahill and Mark Kratzmann won the title, defeating Udo Riglewski and Michael Stich 7–5, 6–2, in the final.
Paul Annacone and Christo van Rensburg were the defending champions, but lost in the semifinals to Swedes and top seeds Stefan Edberg and Anders Järryd.
Pieter Aldrich and Danie Visser were the defending champions, but lost in the first round to Paul Haarhuis and Mark Koevermans.
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.
John Fitzgerald and Anders Järryd lost in the third round to McEnroe and Wheaton. It was their only Grand Slam loss of the year, as they would go on to win the following three majors in 1991.
The men's doubles tournament at the 1991 US Open was held from August 26 to September 8, 1991, on the outdoor hard courts of the USTA National Tennis Center in New York City, United States. John Fitzgerald and Anders Järryd won the title, defeating Scott Davis and David Pate in the final.
John Fitzgerald and Anders Järryd defeated Javier Frana and Leonardo Lavalle in the final, 6–3, 6–4, 6–7(7–9), 6–1 to win the gentlemen's doubles title at the 1991 Wimbledon Championships. It was Fitzgerald and Järryd's third Wimbledon final in four years.
The men's doubles event at the 1991 French Open tennis tournament was held from 27 May until 9 June 1991 on the outdoor clay courts at the Stade Roland Garros in Paris, France. John Fitzgerald and Anders Järryd won the title, defeating Goran Ivanišević and Petr Korda in the final.
The 1995 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in New York in the United States. It was the 115th edition of the US Open and was held from August 28 to September 10, 1995.
The 1990 Grand Prix de Tennis de Toulouse was a men's tennis tournament played on indoor carpet in Toulouse, France that was part of the World Series of the 1990 ATP Tour. It was the ninth edition of the tournament and was held from 1 October – 7 October.
The 1990 Swiss Indoors was a men's tennis tournament played on indoor hard courts at the St. Jakobshalle in Basel, Switzerland that was part of the World Series of the 1990 ATP Tour. It was the 21st edition of the tournament and took place from 24 September until 30 September 1990. Third-seeded John McEnroe won the singles title.
Ricki Osterthun and Udo Riglewski were the defending champions, but Osterthun did not compete this year. Riglewski teamed up with Michael Stich and lost in the first round to Fabrice Santoro and Thierry Tulasne.
Pieter Aldrich and Danie Visser were the defending champions, but Aldrich did not compete this year. Visser teamed up with Neil Broad and lost in semifinals to Jan Siemerink and Daniel Vacek.
Jakob Hlasek and Tomáš Šmíd were the defending champions but Hlasek did not compete this year, as he decided to focus on the singles tournament. Šmíd teamed up with Jan Gunnarsson and lost in the first round to tournament runners-up Omar Camporese and Claudio Mezzadri.
Sergio Casal and Emilio Sánchez were the defending champions, but lost to Omar Camporese and Goran Ivanisevic in the quarterfinals. Camporese and Ivanisevic went on to win the title, defeating Luke Jensen and Laurie Warder in the finals, 6–2, 6–3.
Pieter Aldrich and Danie Visser were the defending champions, but Aldrich did not compete this year. Visser teamed up with Gary Muller and lost in the quarterfinals to Nick Brown and Richard Vogel.
Darren Cahill and Mark Kratzmann were the defending champions, but lost in the second round to Ken Flach and Sven Salumaa.
1990: Stefan Kruger South Africa, Christo van Rensburg, South Africa