The 1999 Prokom Polish Open was a women's tennis tournament played on outdoor clay courts in Sopot, Poland that was part of the Tier III category of the 1999 WTA Tour. It was the second edition of the Prokom Polish Open and took place from 12 July until 18 July 1999. Third-seeded Conchita Martínez won the singles title and earned $27,000 first-prize money.[1]
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
 Spain | Arantxa Sánchez Vicario | 8 | 1 | |
 France | Sandrine Testud | 17 | 2 | |
| Spain | Conchita Martínez | 18 | 3 | |
 Belarus | Natasha Zvereva | 22 | 4 | |
 Italy | Silvia Farina | 23 | 5 | |
 Slovakia | Henrieta Nagyová | 26 | 6 | |
 Israel | Anna Smashnova | 39 | 7 | |
| Spain | Gala León García | 49 | 8 |
The following players received wildcards into the singles main draw:
The following players received wildcards into the doubles main draw:
The following players received entry from the singles qualifying draw:
The following players received entry from the doubles qualifying draw:
See main article: 1999 Prokom Polish Open – Singles. Conchita Martínez defeated Karina Habšudová, 6–1, 6–1
See main article: 1999 Prokom Polish Open – Doubles. 
Laura Montalvo / Paola Suárez defeated Gala León García / María Sánchez Lorenzo, 6–4, 6–3
