Ruxandra Dragomir and Inés Gorrochategui were the defending champions of the Warsaw Cup by Heros, a tennis tournament, but did not compete in 1998.
| Doubles | |
|---|---|
| 1998 Warsaw Cup by Heros | |
| Champions |  Karina Habšudová  Olga Lugina |
| Runners-up |  Liezel Horn  Karin Kschwendt |
| Score | 7–6(7–2), 7–5 |
| Draw | 16 |
| Seeds | 4 |
Karina Habšudová and Olga Lugina won in the final 7–6(7–2), 7–5 against Liezel Horn and Karin Kschwendt.
Seeds edit
Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.
Sabine Appelmans / 
Silvia Farina (first round)
Cătălina Cristea / 
Eva Melicharová (quarterfinals)
Meike Babel / Wiltrud Probst (semifinals)
Karina Habšudová / 
Olga Lugina (champions)
Draw edit
Key edit
- 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 | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  S Appelmans S Farina
| ||||||||||||||||||||||||||
| L Horn K Kschwendt
| w/o | L Horn K Kschwendt
| 4 | 6 | 6 | ||||||||||||||||||||||
 M Escobar C Martínez Granados
| 6 | 3 | 6 | M Escobar C Martínez Granados
| 6 | 4 | 3 | ||||||||||||||||||||
 E-H Kim A Olsza
| 4 | 6 | 3 | L Horn K Kschwendt
| 6 | 4 | 6 | ||||||||||||||||||||
| 3 |  M Babel W Probst
| 6 | 6 | 3 | M Babel W Probst
| 3 | 6 | 3 | |||||||||||||||||||
| Q |  S Kleinová N Petrova
| 1 | 4 | 3 | M Babel W Probst
| 6 | 6 | ||||||||||||||||||||
 O Barabanschikova M Grzybowska
| 6 | 6 |  Å Carlsson S Noorlander
| 4 | 3 | ||||||||||||||||||||||
| Å Carlsson S Noorlander
| 7 | 7 | Liezel Horn Karin Kschwendt
| 6 | 5 | ||||||||||||||||||||||
| E Martincová H Vildová
| 6 | 6 | 4 | Karina Habšudová Olga Lugina
| 7 | 7 | |||||||||||||||||||||
 R Jensen D Jones
| 3 | 4 | E Martincová H Vildová
| 1 | 2 | ||||||||||||||||||||||
E Kulikovskaya S Načuk
| 7 | 1 | 6 | 4 | K Habšudová O Lugina
| 6 | 6 | ||||||||||||||||||||
| 4 | K Habšudová O Lugina
| 6 | 6 | 7 | 4 | K Habšudová O Lugina
| 4 | 6 | 6 | ||||||||||||||||||
 S Krivencheva P Langrová
| 3 | 6 | 6 | S Krivencheva P Langrová
| 6 | 4 | 1 | ||||||||||||||||||||
| WC | M Feistel K Teodorowicz
| 6 | 0 | 2 | S Krivencheva P Langrová
| 6 | 6 | ||||||||||||||||||||
| G León García C Torrens Valero
| 6 | 3 | 4 | 2 |  C Cristea E Melicharová
| 2 | 4 | ||||||||||||||||||||
| 2 | C Cristea E Melicharová
| 3 | 6 | 6 | |||||||||||||||||||||||