Longoria played at the US Open Racquetball Championships for a second time in 2004, when she reached the quarterfinals before losing to then defending champion Rhonda Rajsich, 11–5, 11–8, 11–1. Beginning on the pro tour & playing for Mexico - 2004-2007 Longoria won Girls 14U doubles with Luisa Aldrete in 2004 and she won Girls 18U doubles in 2008 with Arantza Loredo. She won Girls 12U doubles with Eleni Guzman in 2001, and the pair won Girls 14U doubles in 20, as well as Girls 16U doubles in 2005.

Longoria also won six Girl's Doubles titles at World Juniors. Longoria won eight consecutive International Racquetball Federation (IRF) World Junior Championships from 2001 to 2008, winning twice in each age category: 12U, 14U, 16U, and 18U. Longoria began playing racquetball at eight years old when she was at a summer camp, and describes the experience as love at first sight and decided to devote her passion and effort to the sport. Longoria's style is characterized by a semi-western grip of the racquet, which is unusual for racquetball Longoria is the only pro player using this grip style.

She repeated the feat at the end of 2009–2010 season, and has been #1 for ten consecutive seasons.

Longoria is also the #1 player on the Ladies Professional Racquetball Tour (LPRT) tour, and was the first Mexican woman to attain the #1 pro ranking, doing so at the end of the 2008–09 season. Longoria is the winningest player in IRF World Championship history, and she is the only woman to win both singles and doubles at Worlds. She is the current Women's World Champion in both Singles and Doubles, winning both divisions at the 2022 International Racquetball Federation (IRF) World Championships in San Luis Potosi. Paola Michelle Longoria López (born July 20, 1989) is a Mexican racquetball player.

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