# 1989 Eckerd Open – Singles

Chris Evert was the defending champion but did not compete that year.
Conchita Martínez beat Gabriela Sabatini in the final by a score of 6–3, 6–2. With the victory, Conchita avenged a second round loss she suffered against Sabatini earlier that year at the Australian Open. It was also Conchita's second title of the season, and the third of her career. The match was Sabatini's third final of the year, and marked the first time she had been beaten by Conchita.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Gabriela Sabatini (final)
* Natasha Zvereva (second round)
* Katerina Maleeva (first round)
* Arantxa Sánchez (semifinals)
* Larisa Savchenko (first round)
* Sandra Cecchini (quarterfinals)
* Susan Sloane (second round)
* Conchita Martínez (champion)

## 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
| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Gabriela Sabatini | 7 | 6 | | | | | | | | | | | | | | | | | | |
| | Bettina Fulco | 5 | 2 | | 1 | Gabriela Sabatini | 6 | 6 | | | | | | | | | | | | | |
| | Brenda Schultz-McCarthy | 6 | 3 | 4 | | Isabel Cueto | 1 | 1 | | | | | | | | | | | | | |
| | Isabel Cueto | 4 | 6 | 6 | | | | | | 1 | Gabriela Sabatini | 6 | 6 | | | | | | | | |
| | Jana Pospíšilová | 2 | 1 | | | | | | | | Linda Ferrando | 2 | 3 | | | | | | | | |
| | Linda Ferrando | 6 | 6 | | | Linda Ferrando | 6 | 4 | 7 | | | | | | | | | | | | |
| | Ann Grossman | 5 | 1 | | 7 | Susan Sloane | 2 | 6 | 5 | | | | | | | | | | | | |
| 7 | Susan Sloane | 7 | 6 | | | | | | | | | | | 1 | Gabriela Sabatini | 6 | 6 | | | | |
| 4 | Arantxa Sánchez Vicario | 6 | 6 | | | | | | | | | | | 4 | Arantxa Sánchez Vicario | 4 | 4 | | | | |
| | Mary Lou Piatek | 1 | 2 | | 4 | Arantxa Sánchez Vicario | 6 | 6 | | | | | | | | | | | | | |
| Q | Adriana Villagrán | 2 | 1 | | Q | Ronni Reis | 3 | 1 | | | | | | | | | | | | | |
| Q | Ronni Reis | 6 | 6 | | | | | | | 4 | Arantxa Sánchez Vicario | 6 | 6 | | | | | | | | |
| Q | Shaun Stafford | 6 | 7 | | | | | | | | Rosalyn Fairbank | 1 | 0 | | | | | | | | |
| LL | Andrea Holíková | 3 | 5 | | Q | Shaun Stafford | 1 | 7 | 2 | | | | | | | | | | | | |
| | Rosalyn Fairbank | 7 | 6 | | | Rosalyn Fairbank | 6 | 5 | 6 | | | | | | | | | | | | |
| 5 | Larisa Neiland | 6 | 3 | | | | | | | | | | | | | | | 1 | Gabriela Sabatini | 3 | 2 |
| 8 | Conchita Martínez | 6 | 6 | | | | | | | | | | | | | | | 8 | Conchita Martínez | 6 | 6 |
| | Angeliki Kanellopoulou | 2 | 2 | | 8 | Conchita Martínez | 6 | 6 | | | | | | | | | | | | | |
| | Laura Arraya | 6 | 6 | | | Laura Arraya | 3 | 0 | | | | | | | | | | | | | |
| | Leila Meskhi | 4 | 4 | | | | | | | 8 | Conchita Martínez | 6 | 6 | | | | | | | | |
| | Halle Cioffi | 6 | 6 | | | | | | | | Halle Cioffi | 1 | 2 | | | | | | | | |
| | Tracy Austin | 4 | 3 | | | Halle Cioffi | 1 | 6 | 6 | | | | | | | | | | | | |
| | Donna Faber | 6 | 1 | 6 | | Donna Faber | 6 | 4 | 2 | | | | | | | | | | | | |
| 3 | Katerina Maleeva | 3 | 6 | 3 | | | | | | | | | | 8 | Conchita Martínez | 6 | 6 | | | | |
| 6 | Sandra Cecchini | 5 | 7 | 6 | | | | | | | | | | 6 | Sandra Cecchini | 0 | 0 | | | | |
| | Patricia Tarabini | 7 | 5 | 1 | 6 | Sandra Cecchini | 6 | 6 | | | | | | | | | | | | | |
| LL | Andrea Vieira | 6 | 7 | 6 | LL | Andrea Vieira | 2 | 4 | | | | | | | | | | | | | |
| | Wendy White | 7 | 5 | 1 | | | | | | 6 | Sandra Cecchini | 6 | 6 | | | | | | | | |
| Q | Petra Langrová | 6 | 6 | | | | | | | Q | Petra Langrová | 2 | 2 | | | | | | | | |
| | Kathleen Horvath | 2 | 3 | | Q | Petra Langrová | 6 | 6 | | | | | | | | | | | | | |
| | Kate Gompert | 3 | 2 | | 2 | Natasha Zvereva | 4 | 1 | | | | | | | | | | | | | |
| 2 | Natasha Zvereva | 6 | 6 | | | | | | | | | | | | | | | | | | |