| Singles | |
|---|---|
| 1990 Newsweek Champions Cup and the Virginia Slims of Indian Wells | |
| Champion |  Martina Navratilova |
| Runner-up |  Helena Suková |
| Final score | 6–2, 5–7, 6–1 |
Manuela Maleeva-Fragniere was the defending champion but did not compete that year.
Martina Navratilova won in the final 6–2, 5–7, 6–1 against Helena Suková.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.
Martina Navratilova (champion)
Conchita Martínez (third round) Helena Suková (final) Jana Novotná (third round)
Katerina Maleeva (semifinals)
Hana Mandlíková (third round)
Larisa Neiland (second round)
Rosalyn Fairbank-Nideffer (quarterfinals) Gigi Fernández (third round) Gretchen Magers (third round) Amy Frazier (semifinals)
Judith Wiesner (third round)
Catarina Lindqvist (second round)
Claudia Porwik (third round) Patty Fendick (first round)| Semifinals | Final | ||||||||||||
| 1 | Martina Navratilova | 7 | 6 | ||||||||||
| 5 | Katerina Maleeva | 6 | 1 | ||||||||||
| 1 | Martina Navratilova | 6 | 5 | 6 | |||||||||
| 3 | Helena Suková | 2 | 7 | 1 | |||||||||
| 3 | Helena Suková | 7 | 6 | ||||||||||
| 11 | Amy Frazier | 5 | 4 | ||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 1 | M Navratilova | 6 | 6 | ||||||||||||||||||||||||
| N Provis | 1 | 6 | 6 | N Provis | 2 | 0 | |||||||||||||||||||||
| E Pfaff | 6 | 3 | 3 | 1 | M Navratilova | 6 | 6 | ||||||||||||||||||||
| T Phelps | 6 | 7 | 12 | J Wiesner | 3 | 2 | |||||||||||||||||||||
| A Minter | 4 | 6 | T Phelps | 0 | 0 | ||||||||||||||||||||||
| Q | L Bonder-Kreiss | 6 | 0 | 12 | J Wiesner | 6 | 6 | ||||||||||||||||||||
| 12 | J Wiesner | 7 | 6 | 1 | M Navratilova | 6 | 6 | ||||||||||||||||||||
| 13 | C Lindqvist | 7 | 6 | Q |  N Herreman | 2 | 1 | ||||||||||||||||||||
| C Benjamin | 5 | 3 | 13 | C Lindqvist | 2 | 1 | |||||||||||||||||||||
| Q | L Poruri | 4 | 0 | Q | N Herreman | 6 | 6 | ||||||||||||||||||||
| Q | N Herreman | 6 | 6 | Q | N Herreman | 4 | 6 | 6 | |||||||||||||||||||
 E Inoue | 5 | 6 | 6 | E Inoue | 6 | 4 | 3 | ||||||||||||||||||||
 N Iaccarino | 7 | 4 | 1 | E Inoue | 6 | 6 | |||||||||||||||||||||
| 7 | L Neiland | 4 | 1 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 4 | J Novotná | 6 | 6 | ||||||||||||||||||||||||
| Q | Y Koizumi | 6 | 4 | 6 | Q | Y Koizumi | 0 | 0 | |||||||||||||||||||
| H Na | 4 | 6 | 2 | 4 | J Novotná | 6 | 5 | 3 | |||||||||||||||||||
 B Cordwell | 3 | 3 | M McGrath | 3 | 7 | 6 | |||||||||||||||||||||
| M McGrath | 6 | 6 | M McGrath | 6 | 7 | ||||||||||||||||||||||
| A Coetzer | 6 | 6 | A Coetzer | 2 | 6 | ||||||||||||||||||||||
| 16 | P Fendick | 3 | 3 | M McGrath | 1 | 2 | |||||||||||||||||||||
| 9 | G Fernández | 6 | 6 | 5 | K Maleeva | 6 | 6 | ||||||||||||||||||||
| J Pospíšilová | 1 | 3 | 9 | G Fernández | 4 | 6 | 6 | ||||||||||||||||||||
| M Louie-Harper | 6 | 5 | 1 | Q | E Rossides | 6 | 3 | 2 | |||||||||||||||||||
| Q | E Rossides | 3 | 7 | 6 | 9 | G Fernández | 3 | 2 | |||||||||||||||||||
| K Rinaldi | 6 | 6 | 5 | K Maleeva | 6 | 6 | |||||||||||||||||||||
| S Collins | 3 | 0 | K Rinaldi | 1 | 3 | ||||||||||||||||||||||
| 5 | K Maleeva | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 6 | H Mandlíková | 6 | 6 | ||||||||||||||||||||||||
| K Schimper | 2 | 3 | LL | K Gompert | 4 | 2 | |||||||||||||||||||||
| LL | K Gompert | 6 | 6 | 6 | H Mandlíková | 5 | 6 | 3 | |||||||||||||||||||
| L Golarsa | 6 | 4 | I Demongeot | 7 | 0 | 6 | |||||||||||||||||||||
| A Keller | 7 | 6 | A Keller | 3 | 2 | ||||||||||||||||||||||
| K Jordan | 3 | 6 | 0 | I Demongeot | 6 | 6 | |||||||||||||||||||||
| I Demongeot | 6 | 2 | 6 | I Demongeot | 4 | 3 | |||||||||||||||||||||
| 10 | G Magers | 6 | 7 | 3 | H Suková | 6 | 6 | ||||||||||||||||||||
 P Vásquez | 3 | 6 | 10 | G Magers | 6 | 6 | |||||||||||||||||||||
 A Gavaldón | 6 | 6 | A Gavaldón | 2 | 4 | ||||||||||||||||||||||
| S Stafford | 0 | 3 | 10 | G Magers | 4 | 7 | 6 | ||||||||||||||||||||
| A Leand | 2 | 4 | 3 | H Suková | 6 | 5 | 7 | ||||||||||||||||||||
 M Javer | 6 | 6 | M Javer | 6 | 6 | 0 | |||||||||||||||||||||
| 3 | H Suková | 3 | 7 | 6 | |||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 8 | R Fairbank-Nideffer | 6 | 6 | ||||||||||||||||||||||||
| LL | L Tanner | 6 | 1 | N Miyagi | 4 | 1 | |||||||||||||||||||||
| N Miyagi | 7 | 6 | 8 | R Fairbank-Nideffer | 5 | 6 | 6 | ||||||||||||||||||||
| R White | 6 | 6 | 14 | C Porwik | 7 | 2 | 3 | ||||||||||||||||||||
| A Kijimuta | 2 | 1 | R White | 7 | 5 | 6 | |||||||||||||||||||||
| Q | K Shin | 1 | 6 | 6 | 14 | C Porwik | 5 | 7 | 7 | ||||||||||||||||||
| 14 | C Porwik | 6 | 3 | 7 | 8 | R Fairbank-Nideffer | 2 | 3 | |||||||||||||||||||
| 11 | A Frazier | 7 | 6 | 11 | A Frazier | 6 | 6 | ||||||||||||||||||||
| E Reinach | 6 | 3 | 11 | A Frazier | 3 | 6 | 6 | ||||||||||||||||||||
| K Quentrec | 3 | 7 | 7 | K Quentrec | 6 | 1 | 4 | ||||||||||||||||||||
| A Henricksson | 6 | 5 | 6 | 11 | A Frazier | 1 | 6 | 6 | |||||||||||||||||||
| C MacGregor | 7 | 6 | 2 | C Martínez | 6 | 4 | 2 | ||||||||||||||||||||
| R Reis | 5 | 1 | C MacGregor | 1 | 2 | ||||||||||||||||||||||
| 2 | C Martínez | 6 | 6 | ||||||||||||||||||||||||
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