The 1990 Virginia Slims Championships was the season-ending women's tennis held on indoor carpet courts at the Madison Square Garden in New York, United States between November 12 and November 18, 1990. Second-seeded Monica Seles won the singles title in the first five set women's final since Elisabeth Moore won the 1901 U.S. National Championships. Seles received $250,000 first-prize money. Martina Navratilova had qualified for the tournament but withdrew in order to undergo a knee operation.
Monica Seles defeated Gabriela Sabatini, 6âÂÂ4, 5âÂÂ7, 3âÂÂ6, 6âÂÂ4, 6âÂÂ2.
Kathy Jordan / Elizabeth Sayers defeated Mercedes Paz / Arantxa Sánchez Vicario, 7âÂÂ6<sup>(7âÂÂ4)</sup>, 6âÂÂ4.