| Doubles | |
|---|---|
| 1990 Paris Open | |
| 1989 Champions |  John Fitzgerald  Anders Järryd |
| Champions |  Scott Davis David Pate |
| Runners-up | Darren Cahill Mark Kratzmann |
| Score | 5–7, 6–3, 6–4 |
| Draw | 24 |
| Seeds | 8 |
| Doubles | |
|---|---|
| 1990 Paris Open | |
| 1989 Champions | John Fitzgerald Anders Järryd |
| Champions | Scott Davis David Pate |
| Runners-up | Darren Cahill Mark Kratzmann |
| Score | 5–7, 6–3, 6–4 |
| Draw | 24 |
| Seeds | 8 |
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated. All eight seeded teams received byes to the second round.
Pieter Aldrich / Danie Visser (second round) Rick Leach / Jim Pugh (second round)
Guy Forget / 
Jakob Hlasek (quarterfinals)
Sergio Casal / Emilio Sánchez (second round)
Grant Connell / Glenn Michibata (second round) Scott Davis / David Pate (champions)
Jorge Lozano / Todd Witsken (semifinals) Darren Cahill / Mark Kratzmann (final)| Final | ||||||
| 6 | Scott Davis David Pate | 5 | 6 | 6 | ||
| 8 | Darren Cahill Mark Kratzmann | 7 | 3 | 4 | ||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Aldrich D Visser | 6 | 3 | 4 | |||||||||||||||||||||||
 B Becker J Fitzgerald | 2 | 4 | J Grabb P McEnroe | 4 | 6 | 6 | |||||||||||||||||||||
| J Grabb P McEnroe | 6 | 6 | J Grabb P McEnroe | 4 | 7 | 2 | |||||||||||||||||||||
| B Dyke P Lundgren | 1 | 4 | 7 | J Lozano T Witsken | 6 | 5 | 6 | ||||||||||||||||||||
| LL | G Layendecker  D Nargiso | 6 | 6 | LL | G Layendecker D Nargiso | 6 | 3 | ||||||||||||||||||||
| 7 | J Lozano T Witsken | 7 | 6 | ||||||||||||||||||||||||
| 7 | J Lozano T Witsken | 4 | 5 | ||||||||||||||||||||||||
| 6 | S Davis D Pate | 6 | 7 | ||||||||||||||||||||||||
| 4 | S Casal E Sánchez | 1 | 7 | 6 | |||||||||||||||||||||||
| W Masur T Woodbridge | 7 | 6 | W Masur T Woodbridge | 6 | 6 | 7 | |||||||||||||||||||||
 G Ivanišević  P Korda | 6 | 2 | W Masur T Woodbridge | 5 | 2 | ||||||||||||||||||||||
| J Courier D Macpherson | 6 | 6 | 6 | S Davis D Pate | 7 | 6 | |||||||||||||||||||||
| R Reneberg J Sánchez | 3 | 0 | J Courier D Macpherson | 7 | 6 | 6 | |||||||||||||||||||||
| 6 | S Davis D Pate | 6 | 7 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | G Connell G Michibata | 5 | 7 | 4 | |||||||||||||||||||||||
 N Broad G Muller | 6 | 7 | N Broad G Muller | 7 | 6 | 6 | |||||||||||||||||||||
| Q | K Nováček  L Pimek | 3 | 6 | N Broad G Muller | 6 | 3 | 6 | ||||||||||||||||||||
| P Galbraith K Jones | 6 | 6 | 3 | G Forget J Hlasek | 3 | 6 | 2 | ||||||||||||||||||||
| K Curren C van Rensburg | 3 | 4 | P Galbraith K Jones | 3 | 4 | ||||||||||||||||||||||
| 3 | G Forget J Hlasek | 6 | 6 | ||||||||||||||||||||||||
| N Broad G Muller | 3 | 2 | |||||||||||||||||||||||||
| 8 | D Cahill M Kratzmann | 6 | 6 | ||||||||||||||||||||||||
| 8 | D Cahill M Kratzmann | 7 | 7 | ||||||||||||||||||||||||
| S Kruger T Šmíd | 6 | 4 | 3 | U Riglewski M Stich | 6 | 6 | |||||||||||||||||||||
| U Riglewski M Stich | 3 | 6 | 6 | 8 | D Cahill M Kratzmann | 6 | 6 | ||||||||||||||||||||
| WC |  M Bahrami É Winogradsky | 4 | 7 | 7 | WC | M Bahrami É Winogradsky | 3 | 4 | |||||||||||||||||||
| P Annacone D Wheaton | 6 | 6 | 6 | WC | M Bahrami É Winogradsky | 7 | 7 | ||||||||||||||||||||
| 2 | R Leach J Pugh | 6 | 6 | ||||||||||||||||||||||||
Richard Krajicek was the defending champion but lost in the second round to Cédric Pioline.
Thomas Enqvist was the defending champion but lost in the second round to Jaime Yzaga.
First-seeded Marcelo Ríos defeated Richard Fromberg 4–6, 6–4, 7–6(7–3) to win the 1998 Heineken Open singles competition. Jonas Björkman was the champion but did not defend his title.
Second-seeded Magnus Norman defeated Michael Chang 3–6, 6–3, 7–5 in the final to win the singles competition at the 2000 Heineken Open men's tennis tournament. Tommy Haas was the defending champion. but lost in the second round to Juan Balcells
Patricia Wartusch was the defending champion but lost in the second round to Mariana Díaz Oliva.
Gabriela Sabatini was the defending champion but did not compete that year.
Iva Majoli defeated Arantxa Sánchez Vicario in the final, 6–4, 6–1 to win the singles tennis title at the 1996 Pan Pacific Open.
Steffi Graf was the defending champion but did not compete that year.
Lindsay Davenport was the defending champion but lost in the final 5–7, 7–5, 6–4 against Monica Seles.
Martina Hingis was the defending champion, and successfully defended her title, defeating Lisa Raymond in the final 6–4, 6–2.
Anke Huber was the defending champion but did not compete that year.
Martina Navratilova was the defending champion but did not compete that year.
Sabine Hack was the defending champion but lost in the semifinals to Steffi Graf.
Conchita Martínez was the defending champion but lost in the semifinals to Sabine Hack.
Pam Shriver was the four-time defending champion but lost in the final 6–2, 6–1 against Claudia Kohde-Kilsch.
First-seeded Ai Sugiyama was the defending champion and won in the final 6–3, 6–3 against Corina Morariu.
Iva Majoli was the defending champion but lost in the second round to Barbara Schett.
Jacco Eltingh and Paul Haarhuis were the defending champions but lost in the final 3–6, 6–4, 6–3 against Sébastien Lareau and Alex O'Brien.