| Doubles | |
|---|---|
| 1990 ATP German Open | |
| 1989 Champions |  Emilio Sánchez Javier Sánchez |
| Champions | Sergi Bruguera  Jim Courier |
| Runners-up |  Udo Riglewski Michael Stich |
| Final score | 4–6, 6–1, 7–6 |
| Doubles | |
|---|---|
| 1990 ATP German Open | |
| 1989 Champions | Emilio Sánchez Javier Sánchez |
| Champions | Sergi Bruguera Jim Courier |
| Runners-up | Udo Riglewski Michael Stich |
| Final score | 4–6, 6–1, 7–6 |
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated. The top four seeded teams received byes into the second round.
Anders Järryd / Emilio Sánchez (second round)
Andrés Gómez / Javier Sánchez (second round)
Guy Forget / 
Jakob Hlasek (quarterfinals)
Jorge Lozano / Todd Witsken (quarterfinals) Kevin Curren / 
Laurie Warder (first round)
Petr Korda / Tomáš Šmíd (second round)
Mansour Bahrami / Éric Winogradsky (second round)
Michael Mortensen / 
Tom Nijssen (first round)| Final | ||||||
| WC | Sergi Bruguera Jim Courier | 4 | 6 | 7 | ||
| Udo Riglewski Michael Stich | 6 | 1 | 6 | |||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Järryd E Sánchez | 2 | 4 | ||||||||||||||||||||||||
| Q |  P Albano H de la Peña | 6 | 6 | Q | P Albano H de la Peña | 6 | 6 | ||||||||||||||||||||
| WC | E Jelen M Westphal | 1 | 3 | Q | P Albano H de la Peña | 5 | 6 | 2 | |||||||||||||||||||
| WC | P Kühnen M Zoecke | 2 | 3 | G Luza  C Motta | 7 | 2 | 6 | ||||||||||||||||||||
| G Luza C Motta | 6 | 6 | G Luza C Motta | 6 | 6 | ||||||||||||||||||||||
| P Haarhuis M Schapers | 7 | 4 | 6 | 7 | M Bahrami É Winogradsky | 4 | 1 | ||||||||||||||||||||
| 7 | M Bahrami É Winogradsky | 6 | 6 | 7 | G Luza C Motta | 1 | 3 | ||||||||||||||||||||
| WC | S Bruguera J Courier | 6 | 6 | ||||||||||||||||||||||||
| 3 | G Forget J Hlasek | 6 | 7 | ||||||||||||||||||||||||
| T Anzari D Rikl | 2 | 3 | J Frana L Mattar | 4 | 5 | ||||||||||||||||||||||
| J Frana L Mattar | 6 | 6 | 3 | G Forget J Hlasek | 2 | 4 | |||||||||||||||||||||
M Jaite  D Pérez | 4 | 4 | WC | S Bruguera J Courier | 6 | 6 | |||||||||||||||||||||
| D Engel P Henricsson | 6 | 6 | D Engel P Henricsson | 7 | 6 | 4 | |||||||||||||||||||||
| WC | S Bruguera J Courier | 4 | 6 | 7 | WC | S Bruguera J Courier | 5 | 7 | 6 | ||||||||||||||||||
| 5 | K Curren L Warder | 6 | 4 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | P Korda T Šmíd | 6 | 7 | ||||||||||||||||||||||||
 S Kruger B Talbot | 3 | 5 | 6 | P Korda T Šmíd | 6 | 6 | 6 | ||||||||||||||||||||
| M Filippini J-P Fleurian | 2 | 6 | 6 | U Riglewski M Stich | 3 | 7 | 7 | ||||||||||||||||||||
| U Riglewski M Stich | 6 | 7 | U Riglewski M Stich | 4 | 6 | 7 | |||||||||||||||||||||
 G Ivanišević  B Taróczy | 6 | 6 | 4 | J Lozano T Witsken | 6 | 1 | 6 | ||||||||||||||||||||
| K Nováček M Šrejber | 4 | 3 | G Ivanišević B Taróczy | 1 | 3 | ||||||||||||||||||||||
| 4 | J Lozano T Witsken | 6 | 6 | ||||||||||||||||||||||||
| U Riglewski M Stich | 7 | 6 | |||||||||||||||||||||||||
| 8 | M Mortensen T Nijssen | 4 | 5 | J Čihák C Suk | 6 | 2 | |||||||||||||||||||||
| R Båthman D Macpherson | 6 | 7 | R Båthman D Macpherson | 2 | 5 | ||||||||||||||||||||||
| C Beckman L Jensen | 6 | 7 | C Beckman L Jensen | 6 | 7 | ||||||||||||||||||||||
| D Marcelino M Menezes | 3 | 6 | C Beckman L Jensen | 2 | 5 | ||||||||||||||||||||||
| Q | R Bergh M Gustafsson | 4 | 4 | J Čihák C Suk | 6 | 7 | |||||||||||||||||||||
| J Čihák C Suk | 6 | 6 | J Čihák C Suk | 3 | 6 | 6 | |||||||||||||||||||||
| 2 | A Gómez J Sánchez | 6 | 3 | 2 | |||||||||||||||||||||||
Kimiko Date was the defending champion but lost in the second round to Naoko Sawamatsu.
Conchita Martínez was the defending champion but lost in the quarterfinals to Mary Pierce.
Arantxa Sánchez Vicario was the defending champion but lost in the quarterfinals to Elena Likhovtseva.
Monica Seles was the defending champion, and successfully defended her title, defeating Arantxa Sánchez Vicario in the final 6–1, 7–6(7–2).
Chanda Rubin and Arantxa Sánchez Vicario were the defending champions but they competed with different partners that year, Rubin with Brenda Schultz-McCarthy and Sánchez Vicario with Larisa Savchenko.
The 1997 Rexona Cup singles was a tennis event for women played on outdoor clay courts at the Am Rothenbaum in Hamburg, Germany. The 1997 Rexona Cup tournament was held from April 28 through May 4, 1997, and was part of Tier II of the 1997 WTA Tour.
Monica Seles was the defending champion but lost in the quarterfinals to Brenda Schultz-McCarthy.
Monica Seles won in the final 6–1, 3–6, 7–6 against Arantxa Sánchez Vicario.
Arantxa Sánchez Vicario was the defending champion and won in the final 6–1, 6–4 against Gabriela Sabatini.
Manuela Maleeva-Fragniere and Leila Meskhi were the defending champions. Maleeva-Fragniere retired from tennis earlier that year, but only Meskhi competed that year with Eugenia Maniokova.
Kathleen Horvath was the defending champion but lost in the first round to Silvia La Fratta.
Neige Dias was the defending champion but lost in the second round to Tine Scheuer-Larsen.
Nicole Arendt and Manon Bollegraf were the defending champions but only Bollegraf competed that year with Katrina Adams.
Jana Novotná won in the final 6–1, 7–5 against Arantxa Sánchez Vicario. The two had reached the final the previous year but the match was cancelled in the first set due to persistent rain. Novotná went on to win the Wimbledon title two weeks later.
David Ferrer was the defending champion but lost in the first round to Galo Blanco.
Elizabeth Smylie and Todd Woodbridge were the defending champions but they competed with different partners that year, Smylie with John Fitzgerald and Woodbridge with Nicole Provis.
Arantxa Sánchez Vicario and Todd Woodbridge were the defending champions but they competed with different partners that year, Sánchez Vicario with Emilio Sánchez and Woodbridge with Helena Suková.
Trevor Kronemann and David Macpherson were the defending champions but lost in the quarterfinals to Luis Lobo and Javier Sánchez.
Francisco Clavet was the defending champion but lost in the quarterfinals to Karim Alami.
Luis Lobo and Javier Sánchez were the defending champions, but lost in the second round to Tomás Carbonell and Francisco Roig.