Anastasija Sevastova Anastasija Sevastova (born 13 April 1990) is a Latvian professional tennis player. She achieved a career-high singles ranking of world No. 11 in October 2018, after reaching a Premier Mandatory final at the China Open. Sevastova has won four sin ...

was the defending champion, but lost in the first round to

Urszula Radwańska Urszula Radwańska (; born 7 December 1990) is a Polish professional tennis player. Radwańska has won one doubles title on the WTA Tour, as well as seven singles and eleven doubles titles on the ITF Women's Circuit. On 8 October 2012, she reac ...

Anabel Medina Garrigues Ana Isabel Medina Garrigues (, ; born 31 July 1982) is a Spanish tennis coach and former professional player. As a player she reached a career-high ranking of world No. 16 in 2009, and won 11 singles and 28 doubles titles, including the 2008 ...

won in the final against

Kristina Barrois Kristina Barrois (born 30 September 1981) is a German former tennis player. Barrois won 15 singles and 16 doubles titles on the ITF Women's Circuit in her career. On 9 May 2011, she reached her best singles ranking of world No. 57. On 20 Febru ...

, 6–1, 6–2.

Seeds

Qualifying

Draw

Finals

Top half

Bottom half

References

Main draw
{{DEFAULTSORT:Estoril Open - Women's singles 2011 Estoril Open - Singles Women's Singles