2005 Volvo Women's Open – Singles

Conchita Martínez won the title by defeating Anna-Lena Grönefeld in the final in three sets.

Martínez won her first singles title in five years. It was her last singles title before the retirement in 2006, bringing her career total to 33 top-level singles titles.

This tournament marked the return of former world No. 1 Martina Hingis, who lost to Marlene Weingärtner in the first round. It was Hingis' first professional match since October 2002.

Seeds
• # 🇷🇺 Vera Zvonareva (quarterfinals)

• # 🇫🇷 Marion Bartoli (second round; retired because of an acute stomach illness)

• # 🇪🇸 Conchita Martínez (champion)

• # 🇺🇸 Mashona Washington (first round)

• # Kristina Brandi (first round)

• # 🇵🇱 Marta Domachowska (first round)

• # 🇩🇪 Anna-Lena Grönefeld (final)

• # 🇪🇸 Virginia Ruano Pascual (semifinals)