The 2005 Acura Classic was a women's tennis tournament played on outdoor hard courts at the La Costa Resort and Spa in San Diego, California, United States. It was part of Tier I of the 2005 WTA Tour. It was the 27th edition of the tournament and was held from August 26 through August 7, 2005. Sixth-seeded Mary Pierce won the singles title.
Mary Pierce defeated Ai Sugiyama, 6âÂÂ0, 6âÂÂ3
Conchita MartÃÂnez / Virginia Ruano Pascual defeated Daniela Hantuchová / Ai Sugiyama, 6âÂÂ7<sup>(7âÂÂ9)</sup>, 6âÂÂ1, 7âÂÂ5