2018 St. Petersburg Ladies' Trophy

The 2018 St. Petersburg Ladies' Trophy was a professional tennis tournament played on indoor hard courts. It was the 9th edition of the tournament and third time as a WTA Premier tournament. It was part of the 2018 WTA Tour and was held between 29 January and 4 February 2018.

2018 St. Petersburg Ladies' Trophy
Date	29 January – 4 February
Edition	9th
Category	WTA Premier
Prize money	$776,000
Surface	Hard (indoor)
Location	Saint Petersburg, Russia
Venue	Sibur Arena
Champions
Singles
Petra Kvitová
Doubles
Timea Bacsinszky / Vera Zvonareva

Point distribution

Event	W	F	SF	QF	Round of 16	Round of 32	Q	Q3	Q2	Q1
Singles	470	305	185	100	55	1	25	18	13	1
Doubles					1	—	—	—	—	—

Prize money

Event	W	F	SF	QF	Round of 16	Round of 321	Q3	Q2	Q1
Singles	$132,740	$70,880	$37,850	$20,350	$10,915	$6,925	$3,110	$1,650	$920
Doubles*	$41,520	$22,180	$12,120	$6,165	$3,350	—	—	—	—

_{¹Qualifiers prize money is also the Round of 32 prize money.
*per team}

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
DEN	Caroline Wozniacki	2	1
LAT	Jeļena Ostapenko	7	2
FRA	Caroline Garcia	8	3
FRA	Kristina Mladenovic	11	4
GER	Julia Görges	12	5
RUS	Anastasia Pavlyuchenkova	18	6
RUS	Elena Vesnina	19	7
RUS	Daria Kasatkina	25	8

• ¹ Rankings as of January 15, 2018.

Other entrants

The following players received wildcards into the singles main draw:

• Petra Kvitová
• Anastasia Potapova
• Elena Vesnina
• Vera Zvonareva

The following players received entry from the qualifying draw:

• Viktória Kužmová
• Tereza Martincová
• Elena Rybakina
• Roberta Vinci

The following player received entry as a lucky loser:

• Andrea Petkovic

Withdrawals

Before the tournament

• Simona Halep → replaced by Andrea Petkovic
• Ana Konjuh → replaced by Tatjana Maria
• Elise Mertens → replaced by Donna Vekić
• Anastasija Sevastova → replaced by Kateřina Siniaková
• Barbora Strýcová → replaced by Maria Sakkari
• Carla Suárez Navarro → replaced by Mona Barthel

Retirements

• Kiki Bertens

Doubles main draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
CAN	Gabriela Dabrowski	CHN	Xu Yifan	29	1
USA	Raquel Atawo	GER	Anna-Lena Grönefeld	55	2
USA	Nicole Melichar	CZE	Květa Peschke	57	3
CRO	Darija Jurak	CZE	Renata Voráčová	86	4

• ¹ Rankings as of January 15, 2018.

Other entrants

The following pair received a wildcard into the doubles main draw:

• Valeriya Pogrebnyak / Elena Rybakina

Champions

Singles

Main article: 2018 St. Petersburg Ladies' Trophy – Singles

• Petra Kvitová def. Kristina Mladenovic, 6–1, 6–2

Doubles

Main article: 2018 St. Petersburg Ladies' Trophy – Doubles

• Timea Bacsinszky / Vera Zvonareva def. Alla Kudryavtseva / Katarina Srebotnik, 2–6, 6–1, [10–3]