# 1990 Geneva European Open – Singles

Manuela Maleeva-Fragnière was the defending champion, but lost in the second round to Sabine Hack.
Barbara Paulus won the title by defeating Helen Kelesi 2–6, 7–5, 7–6$^{(7–3)}$ in the final.

## Seeds

* Manuela Maleeva-Fragnière (second round)
* Barbara Paulus (champion)
* Helen Kelesi (final)
* Hana Mandlíková (first round, retired)
* Dianne Van Rensburg (second round)
* (n/a)
* Radka Zrubáková (first round)
* Cathy Caverzasio (quarterfinals)

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Sabine Hack | 2 | 1 | | | | | |
| 3 | Helen Kelesi | 6 | 6 | | | | | |
| 3 | Helen Kelesi | 6 | 6 | 3 | Helen Kelesi | 6 | 5 | 6$^3$ |
| | | | | 2 | Barbara Paulus | 2 | 7 | 7$^7$ |
| Q | Emanuela Zardo | 5 | 3 | 2 | Barbara Paulus | 2 | 7 | 7$^7$ |
| 2 | Barbara Paulus | 7 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Maleeva-Fragnière | 6 | 6 | | | | | | | | | | | | | | |
| | L Lapi | 1 | 3 | | 1 | M Maleeva-Fragnière | 2 | 1 | | | | | | | | | |
| | L Field | 3 | 3 | | | S Hack | 6 | 6 | | | | | | | | | |
| | S Hack | 6 | 6 | | | | | | | S Hack | 6 | 6 | | | | | |
| | S Stafford | 6 | 6 | | | | | | | S Stafford | 1 | 0 | | | | | |
| | J Byrne | 3 | 1 | | | S Stafford | 6 | 7 | | | | | | | | | |
| | S Martin | 6 | 6 | 6 | | S Martin | 4 | 5 | | | | | | | | | |
| | B Nagelsen | 1 | 7 | 1 | | | | | | | | | | | S Hack | 2 | 1 |
| 3 | H Kelesi | 6 | 5 | 6 | | | | | | | | | | 3 | H Kelesi | 6 | 6 |
| | C Cohen | 3 | 7 | 4 | 3 | H Kelesi | 6 | 6 | | | | | | | | | |
| | L Harvey Wild | 7 | 4 | 6 | | L Harvey Wild | 1 | 4 | | | | | | | | | |
| | T Whitlinger | 5 | 6 | 3 | | | | | 3 | H Kelesi | 3 | 6 | 6 | | | | |
| | A Kanellopoulou | 6 | 3 | 6 | | | | | 8 | C Caverzasio | 6 | 1 | 1 | | | | |
| Q | B Herr | 3 | 6 | 0 | | A Kanellopoulou | 1 | 5 | | | | | | | | | |
| | E Burgin | 3 | 2 | | 8 | C Caverzasio | 6 | 7 | | | | | | | | | |
| 8 | C Caverzasio | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | D Van Rensburg | 7 | 6 | | | | | | | | | | | | | | | |
| LL | S Smith | 5 | 2 | | 5 | D Van Rensburg | 5 | 7 | 1 | | | | | | | | | |
| Q | E Krapl | 1 | 3 | | Q | E Zardo | 7 | 6 | 6 | | | | | | | | | |
| Q | E Zardo | 6 | 6 | | | | | | | Q | E Zardo | 4 | 6 | 6 | | | | |
| | B Bowes | 6 | 4 | 6 | | | | | | | L Garrone | 6 | 4 | 2 | | | | |
| | C Dahlman | 1 | 6 | 3 | | B Bowes | 6 | 3 | 1 | | | | | | | | | |
| | L Garrone | 2 | | | | L Garrone | 4 | 6 | 6 | | | | | | | | | |
| 4 | H Mandlíková | 0 | r | | | | | | | | | | | | Q | E Zardo | 5 | 3 |
| 7 | R Zrubáková | 4 | 4 | | | | | | | | | | | | 2 | B Paulus | 7 | 6 |
| Q | H ter Riet | 6 | 6 | | Q | H ter Riet | 6 | 4 | 2 | | | | | | | | | |
| | K Rinaldi | 1 | 0 | | | A Coetzer | 1 | 6 | 6 | | | | | | | | | |
| | A Coetzer | 6 | 6 | | | | | | | | A Coetzer | 2 | 2 | | | | | |
| | M Werdel | 7 | 6 | | | | | | | 2 | B Paulus | 6 | 6 | | | | | |
| | A Vieira | 5 | 3 | | | M Werdel | 2 | 3 | | | | | | | | | | |
| | G Castro | 3 | 1 | | 2 | B Paulus | 6 | 6 | | | | | | | | | | |
| 2 | B Paulus | 6 | 6 | | | | | | | | | | | | | | | |