2018 Volvo Car Open
The 2018 Volvo Car Open was a women's tennis event on the 2018 WTA Tour. It took place between April 2 and April 8, 2018 and was the 46th edition of the Charleston Open tournament and a Premier level tournament. The event took place at the Family Circle Tennis Center, on Daniel Island, Charleston, United States. It was the only event of the clay court season played on green clay. Kiki Bertens, seeded 12th, won the singles title.
Finals
Singles
Kiki Bertens defeated Julia Görges, 6–2, 6–1Doubles
Alla Kudryavtseva / Katarina Srebotnik defeated Andreja Klepač / María José Martínez Sánchez, 6–3, 6–3Points and prize money
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | Q2 | Q1 |
| Singles | $137,125 | $72,841 | $35,890 | $18,387 | $9,568 | $4,898 | $2,516 | $1,150 | $700 |
| Doubles | $42,850 | $22,900 | $12,510 | $6,365 | $3,460 |
Singles main draw entrants
Seeds
- 1 Rankings as of March 19, 2018.
Other entrants
The following players received wildcards into the main draw:The following players received entry from the qualifying draw:
- Francesca Di Lorenzo
- Caroline Dolehide
- Georgina García Pérez
- Vera Lapko
- Claire Liu
- Sílvia Soler Espinosa
- Fanny Stollár
- Maryna Zanevska
Withdrawals
;Before the tournament- Catherine Bellis → replaced by Kristie Ahn
- Kaia Kanepi → replaced by Polona Hercog
- Ana Konjuh → replaced by Andrea Petkovic
- Petra Martić → replaced by Sofia Kenin
- Shelby Rogers → replaced by Jennifer Brady
- Lucie Šafářová → replaced by Taylor Townsend
- Maria Sakkari → replaced by Bernarda Pera
- Sloane Stephens → replaced by Dayana Yastremska
- Barbora Strýcová → replaced by Natalia Vikhlyantseva
Retirements
Doubles main draw entrants
Seeds
- 1 Rankings as of March 19, 2018.