| Singles | |
|---|---|
| 1989 Mantegazza Cup | |
| 1988 Champion |  Helen Kelesi |
| Champion |  Karine Quentrec |
| Runner-up |  Cathy Caverzasio |
| Final score | 6–3, 5–7, 6–3 |
Helen Kelesi was the defending champion but did not compete that year.
Karine Quentrec won in the final 6–3, 5–7, 6–3 against Cathy Caverzasio.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Neige Dias (semifinals)
Mercedes Paz (quarterfinals)
Sandra Wasserman (first round) Laura Lapi (first round) Laura Garrone (second round) Laura Golarsa (quarterfinals)
Sabrina Goleš (semifinals) Julie Halard (first round)Maria Sharapova was the two-time defending champion, but lost in the semifinals to Jamea Jackson.
Virginia Ruano Pascual and Paola Suárez were the defending champions but lost in the final 5–7, 7–6 (7–5), 6–3 against Lisa Raymond and Rennae Stubbs.
Mercedes Paz and Rene Simpson were the defending champions but did not compete that year.
Mary Joe Fernández and Natasha Zvereva were the defending champions but did not compete that year.
Els Callens and Julie Halard-Decugis were the defending champions but did not compete that year.
Lori McNeil and Arantxa Sánchez Vicario were the defending champions but they lost in the second round to Laurence Courtois and Irina Spîrlea.
Mary Joe Fernández and Natasha Zvereva were the defending champions and won in the final 3–6, 7–6, 6–4 against Conchita Martínez and Patricia Tarabini.
Ruxandra Dragomir and Laura Garrone were the defending champions but only Garrone competed that year with Sandra Cecchini.
Conchita Martínez was the defending champion but did not compete that year.
Gretchen Magers was the defending champion but lost in the semifinals to Laura Gildemeister.
Conchita Martínez was the defending champion but did not compete that year.
Conchita Martínez and Barbara Paulus were the defending champions but did not compete that year.
Eva Melicharová and Helena Vildová were the defending champions but did not compete that year.
Gabriela Sabatini was the defending champion and won in the final 6–0, 6–2 against Isabel Cueto.
Vicki Nelson-Dunbar was the defending champion but lost in the first round to Olga Tsarbopoulou.
Katerina Maleeva was the defending champion but did not compete that year.
Jana Novotná won in the final 7–5, 6–4 against Jana Pospíšilová.
Martina Navratilova and Pam Shriver were the defending champions and won in the final 5–7, 6–4, 6–2 against Kathy Jordan and Elizabeth Smylie.
Arantxa Sánchez Vicario and Helena Suková were the defending champions but Suková did not participate this year. Sánchez Vicario paired up with Jana Novotná and successfully defended the title, defeating Robin White and Katerina Maleeva in the final, 6-3, 6-3. With their semifinal loss to Maleeva and White, Gigi Fernández and Natasha Zvereva missed out on the Grand Slam in Women's Doubles for the 2nd straight year.
Gigi Fernández and Natasha Zvereva were the three-time defending champions, and successfully defended their title, defeating Jana Novotná and Arantxa Sánchez Vicario in the final 6–7(6–8), 6–4, 7–5.
