1990 WTA Tour Championships
| 1990 WTA Tour Championships | |
|---|---|
| Date | November 12 - 18 |
| Edition | 20th |
| Draw | 16S/8D |
| Prize money | $3,000,000 |
| Location | New York City, United States |
| Venue | Madison Square Garden |
| Champions | |
| Singles | |
 Monica Seles |
|
| Doubles | |
 Kathy Jordan /  Elizabeth Sayers |
|
The 1990 Virginia Slims Championships was the season-ending women's tennis held at the Madison Square Garden in New York, United States between November 12 and November 18, 1990. Monica Seles won the singles title in the first five set women's final since Elisabeth Moore won the 1901 U.S. National Championships.[1] Seles received $250,000 first-prize money. Martina Navratilova had qualified for the tournament but withdrew in order to undergo a knee operation.[2][3]
Champions
Singles
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Monica Seles defeated 
Gabriela Sabatini 6–4, 5–7, 3–6, 6–4, 6–2
Doubles
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Kathy Jordan / Elizabeth Sayers defeated Mercedes Paz / 
Arantxa Sánchez Vicario, 7–6(7–4), 6–4
