| 2005 J&S Cup | |
|---|---|
| Date | 25 April – 1 May |
| Edition | 10th |
| Category | Tier II |
| Draw | 28S / 16D |
| Prize money | $585,000 |
| Surface | Clay / outdoor |
| Location | Warsaw, Poland |
| Champions | |
| Singles | |
| | |
| Doubles | |
| | |
The 2005 J&S Cup was a Tier II event on the 2005 WTA Tour that run from 25 April 25 until 1 May 2005. It was held on outdoor clay courts in Warsaw, Poland, and was the 10th year that the event was staged. Unseeded Justine Henin-Hardenne won her first Warsaw title and second overall of the year.
Justine Henin-Hardenne defeated
Svetlana Kuznetsova, 3–6, 6–2, 7–5
Tatiana Perebiynis /
Barbora Strýcová defeated
Klaudia Jans /
Alicja Rosolska, 6–1, 6–4
| Player | Nationality | Ranking* | Seeding |
|---|---|---|---|
| Amélie Mauresmo | | 3 | 1 |
| Svetlana Kuznetsova | | 7 | 2 |
| Vera Zvonareva | | 10 | 3 |
| Patty Schnyder | | 13 | 4 |
| Elena Bovina | | 14 | 5 |
| Nathalie Dechy | | 15 | 6 |
| Kim Clijsters | | 17 | 7 |
| Silvia Farina Elia | | 19 | 8 |
| Francesca Schiavone | | 20 | 9 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers: