# 1990 Lufthansa Cup German Open – Singles

Monica Seles defeated the defending champion Steffi Graf in the final, 6–4, 6–3 to win the singles tennis title at the 1990 WTA German Open.

## Seeds

The top 8 seeds received a bye to the second round.
* Steffi Graf (final)
* Monica Seles (champion)
* Gabriela Sabatini (third round)
* Mary Joe Fernández (third round)
* Katerina Maleeva (third round)
* Conchita Martínez (quarterfinal)
* Jana Novotná (quarterfinal)
* Natalia Zvereva (semifinal)
* Judith Wiesner (quarterfinal)
* Nathalie Tauziat (quarterfinal)
* n/a
* Isabel Cueto (first round)
* n/a
* Leila Meskhi (quarterfinal)
* Catarina Lindqvist (quarterfinal)
* Hana Mandlíková (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Steffi Graf | 6 | 6 | | | | | | | | | |
| 14 | Leila Meskhi | 4 | 1 | | | | | | | | | |
| 14 | Leila Meskhi | 4 | 1 | | 1 | Steffi Graf | 6 | 6 | | | | |
| | | | | | 8 | Natasha Zvereva | 4 | 2 | | | | |
| 9 | Judith Wiesner | 7 | 0 | 4 | 8 | Natasha Zvereva | 4 | 2 | | | | |
| 8 | Natasha Zvereva | 6 | 6 | 6 | | | | | | | | |
| 8 | Natasha Zvereva | 6 | 6 | 6 | | | | | 1 | Steffi Graf | 4 | 3 |
| | | | | | | | | | 2 | Monica Seles | 6 | 6 |
| 10 | Nathalie Tauziat | 6 | 3 | | | | | | | | | | 2 | Monica Seles | 6 | 6 |
| | Sandra Cecchini | 7 | 6 | | | | | | | | | |
| | Sandra Cecchini | 7 | 6 | | | Sandra Cecchini | 1 | 3 | | | | |
| | | | | | 2 | Monica Seles | 6 | 6 | | | | |
| 6 | Conchita Martínez | 0 | 3 | | 2 | Monica Seles | 6 | 6 | | | | |
| 2 | Monica Seles | 6 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | S Graf | 6 | 6 | | | | | | | | | | |
| Q | M Paz | 6 | 3 | 7 | Q | M Paz | 1 | 2 | | | | | | | | | | |
| | S Loosemore | 4 | 6 | 5 | | | | | | 1 | S Graf | 6 | 6 | | | | | |
| Q | S Smith | 3 | 1 | | | | | | | Q | K Piccolini | 0 | 1 | | | | | |
| Q | K Piccolini | 6 | 6 | | Q | K Piccolini | 3 | 6 | 6 | | | | | | | | | |
| Q | F Labat | 4 | 7 | 6 | Q | F Labat | 6 | 4 | 3 | | | | | | | | | |
| 12 | I Cueto | 6 | 6 | 1 | | | | | | | | | | | 1 | Steffi Graf | 6 | 6 |
| 14 | L Meskhi | 6 | 6 | | | | | | | | | | | | 14 | Leila Meskhi | 4 | 1 |
| | A Coetzer | 0 | 0 | | 14 | L Meskhi | 6 | 6 | | | | | | | | | | |
| | R Rajchrtová | 6 | 7 | | | R Rajchrtová | 1 | 1 | | | | | | | | | | |
| | S Martin | 4 | 5 | | | | | | | 14 | L Meskhi | 4 | 6 | 6 | | | | |
| | W Probst | 6 | 4 | 6 | | | | | | 5 | K Maleeva | 6 | 2 | 0 | | | | |
| | B Fulco | 3 | 6 | 2 | | W Probst | 1 | 0 | | | | | | | | | | |
| | | | | | 5 | K Maleeva | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 4 | M Joe Fernández | 6 | 6 | | | | | | | | | | |
| | S Hanika | 2 | 4 | | S Hack | 3 | 3 | | | | | | | | | | |
| | S Hack | 6 | 6 | | | | | | 4 | M Joe Fernández | 1$^r$ | | | | | | |
| LL | T Whitlinger | 4 | 2 | | | | | | 9 | J Wiesner | 0 | | | | | | |
| | A Huber | 6 | 6 | | A Huber | 4 | 7 | 4 | | | | | | | | | |
| LL | V Martinek | 2 | 4 | 9 | J Wiesner | 6 | 6 | 6 | | | | | | | | | |
| 9 | J Wiesner | 6 | 6 | | | | | | | | | | 9 | Judith Wiesner | 7 | 0 | 4 |
| 15 | C Lindqvist | 7 | 6 | | | | | | | | | | 8 | Natasha Zvereva | 6 | 6 | 6 |
| Q | S Meier | 6 | 0 | 15 | C Lindqvist | 0 | 3 | | | | | | | | | | |
| | J Byrne | 2 | 3 | | R Zrubáková | 6 | 6 | | | | | | | | | | |
| | R Zrubáková | 6 | 6 | | | | | | | R Zrubáková | 5 | 1 | | | | | |
| | I Demongeot | 4 | 3 | | | | | | 8 | N Zvereva | 7 | 6 | | | | | |
| | A Grossman | 6 | 6 | | A Grossman | 6 | 3 | 2 | | | | | | | | | |
| | | | | 8 | N Zvereva | 4 | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | J Novotná | 7 | 6 | | | | | | | | | | |
| | C Dahlman | 6 | 6 | | | C Dahlman | 5 | 4 | | | | | | | | | | |
| | J Faull | 4 | 1 | | | | | | | 7 | J Novotná | 6 | 5 | 5 | | | | |
| | R McQuillan | 0 | 1 | | | | | | | 10 | N Tauziat | 2 | 7 | 7 | | | | |
| | N Provis | 6 | 6 | | | N Provis | 4 | 7 | 4 | | | | | | | | | |
| | M Kochta | 6 | 4 | | 10 | N Tauziat | 6 | 6 | 6 | | | | | | | | | |
| 10 | N Tauziat | 7 | 6 | | | | | | | | | | | | 10 | Nathalie Tauziat | 6 | 3 |
| | S Cecchini | 6 | 7 | | | | | | | | | | | | | Sandra Cecchini | 7 | 6 |
| Q | R Simpson | 4 | 6 | | | S Cecchini | 3 | 6 | 7 | | | | | | | | | |
| | L McNeil | 6 | 6 | 3 | LL | J Tremelling | 6 | 3 | 5 | | | | | | | | | |
| LL | J Tremelling | 7 | 1 | 6 | | | | | | | S Cecchini | 6 | 3 | 6 | | | | |
| | E Burgin | 1 | 6 | 6 | | | | | | 3 | G Sabatini | 4 | 6 | 4 | | | | |
| | E Reinach | 6 | 3 | 1 | | E Burgin | 2 | 1 | | | | | | | | | | |
| | | | | | 3 | G Sabatini | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | C Martínez | 6 | 6 | | | | | | | | |
| | K Rinaldi | 5 | 6 | | | N Medvedeva | 4 | 3 | | | | | | | | |
| | N Medvedeva | 7 | 7 | | | | | | 6 | C Martínez | 6 | 6 | | | | |
| | C Kohde-Kilsch | 1 | 7 | 1 | | | | | | L Savchenko | 3 | 1 | | | | |
| | L Savchenko | 6 | 6 | 6 | | L Savchenko | 6 | 6 | | | | | | | | |
| | S Stafford | 4 | 3 | | 16 | H Mandlíková | 3 | 0 | | | | | | | | |
| 16 | H Mandlíková | 6 | 6 | | | | | | | | | | 6 | Conchita Martínez | 0 | 3 |
| 15 | H Kelesi | 6 | 6 | | | | | | | | | | 2 | Monica Seles | 6 | 6 |
| | K Duell | 1 | 4 | | 15 | H Kelesi | 3$^r$ | | | | | | | | | |
| Q | M Maleeva | 6 | 6 | | Q | M Maleeva | 6 | | | | | | | | | |
| | A Temesvári-Trunkos | 2 | 1 | | | | | | Q | M Maleeva | 2 | 3 | | | | |
| | P Tarabini | 0$^r$ | | | | | | | 2 | M Seles | 6 | 6 | | | | |
| | N Jagerman | 0 | | | | N Jagerman | 1 | 0 | | | | | | | | |
| | | | | | 2 | M Seles | 6 | 6 | | | | | | | | |