2018 Volvo Car Open
Date	April 2 – 8
Edition	46th
Category	WTA Premier
Draw	56S / 16D
Prize money	$776,000
Surface	Green clay
Location	Charleston, United States
Venue	Family Circle Tennis Center
Champions
Singles
Kiki Bertens
Doubles
Alla Kudryavtseva / Katarina Srebotnik
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The 2018 Volvo Car Open was a women's tennis event on the 2018 WTA Tour. It took place between April 2 – 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.

Points and prize money

Point distribution

Prize money

Singles main draw entrants

Seeds

Country	Player	Ranking1	Seed
FRA	Caroline Garcia	7	1
CZE	Petra Kvitová	9	2
RUS	Daria Kasatkina	11	3
USA	Sloane Stephens	12	4
GER	Julia Görges	13	5
GBR	Johanna Konta	14	6
USA	Madison Keys	15	7
LAT	Anastasija Sevastova	17	8
AUS	Ashleigh Barty	20	9
JPN	Naomi Osaka	22	10
AUS	Daria Gavrilova	26	11
NED	Kiki Bertens	29	12
ROU	Irina-Camelia Begu	37	13
FRA	Alizé Cornet	38	14
ROU	Mihaela Buzărnescu	39	15
RUS	Elena Vesnina	43	16

• ¹ Rankings as of March 19, 2018.

Other entrants

The following players received wildcards into the main draw:

• Sara Errani
• Bethanie Mattek-Sands

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

The following player received entry as a lucky loser:

• Dayana Yastremska

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

• Beatriz Haddad Maia
• Vera Lapko

Doubles main draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
CAN	Gabriela Dabrowski	CHN	Xu Yifan	16	1
USA	Bethanie Mattek-Sands	CZE	Andrea Sestini Hlaváčková	33	2
SLO	Andreja Klepač	ESP	María José Martínez Sánchez	42	3
CZE	Barbora Krejčíková	CZE	Kateřina Siniaková	44	4

• ¹ Rankings as of March 19, 2018.

Other entrants

The following pairs received wildcards into the doubles main draw:

• Lara Arruabarrena / Sara Errani
• Misaki Doi / Christina McHale

Champions

Singles

• Kiki Bertens def. Julia Görges, 6–2, 6–1

Doubles

• Alla Kudryavtseva / Katarina Srebotnik def. Andreja Klepač / María José Martínez Sánchez, 6–3, 6–3