Ekaterina Makarova was the defending champion, but lost in the first round to Ana Bogdan.

Svetlana Kuznetsova Svetlana Aleksandrovna Kuznetsova (born 27 June 1985) is a Russian inactive professional tennis player. She is a two-time major singles champion, winning the 2004 US Open and 2009 French Open, and finishing runner-up at two other majors. I ...

won the title, beating Donna Vekić in the final, 4–6, 7–6^(9–7), 6–2, despite being four match points down in the second set.

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main DrawQualifying Draw
{{DEFAULTSORT:2018 Citi Open - Women's Singles Citi Open - Women's Singles