2017 St. Petersburg Ladies' Trophy – Singles

Roberta Vinci was the defending champion, but lost in the quarterfinals to unseeded Kristina Mladenovic.

Singles
2017 St. Petersburg Ladies' Trophy
Champion	Kristina Mladenovic
Runner-up	Yulia Putintseva
Final score	6–2, 6–7^(3–7), 6–4
Draw	24 (4Q / 2WC)
Seeds	8

Main article: 2017 St. Petersburg Ladies' Trophy

Mladenovic went on to win her first WTA singles title, defeating Yulia Putintseva in the final, 6–2, 6–7^(3–7), 6–4.

Seeds

The top four seeds received a bye into the second round.

1. Simona Halep (Quarterfinals, withdrew)
2. Dominika Cibulková (Semifinals)
3. Svetlana Kuznetsova (Quarterfinals)
4. Venus Williams (Second round)
5. Elena Vesnina (Quarterfinals)
6. Roberta Vinci (Quarterfinals)
7. Kiki Bertens (First round)
8. Daria Kasatkina (Second round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	WC	Natalia Vikhlyantseva	6	2	2
		Kristina Mladenovic	4	6	6
									Kristina Mladenovic	6	6^3	6
									Yulia Putintseva	2	7^7	4
		Yulia Putintseva	3	6	6
	2	Dominika Cibulková	6	4	4

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								1	S Halep	6	7^7
		A Konjuh	1	6	6				A Konjuh	4	6^2
		M Niculescu	6	3	2										1	S Halep
		Y Shvedova	3	4											WC	N Vikhlyantseva	w/o
	WC	N Vikhlyantseva	6	6				WC	N Vikhlyantseva	7^7	6
		B Bencic	2	5				8	D Kasatkina	6^4	2
	8	D Kasatkina	6	7																		WC	N Vikhlyantseva	6	2	2
																							K Mladenovic	4	6	6
								4	V Williams	3	1
	Q	E Mertens	6^5	4					K Mladenovic	6	6
		K Mladenovic	7^7	6												K Mladenovic	6	6
	Q	A Petkovic	6	7											6	R Vinci	1	4
		I-C Begu	1	5				Q	A Petkovic	4	4
		T Babos	3	6	4			6	R Vinci	6	6
	6	R Vinci	6	3	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	7	K Bertens	5	6	4
		A Beck	7	3	6				A Beck	4	0
		Y Putintseva	6	1					Y Putintseva	6	6
		J Larsson	0	0^r												Y Putintseva	6	6^4	7
	WC	A Kalinskaya	4	5											3	S Kuznetsova	3	7^7	5
		D Gavrilova	6	7					D Gavrilova	1	3
								3	S Kuznetsova	6	6
																							Y Putintseva	3	6	6
	5	E Vesnina	6	6																		2	D Cibulková	6	4	4
		E Makarova	3	1				5	E Vesnina	2	6	6
	Q	K Flipkens	4	2					A Cornet	6	3	3
		A Cornet	6	6											5	E Vesnina	3	3
		J Ostapenko	0	4											2	D Cibulková	6	6
	LL	D Vekić	6	6				LL	D Vekić	2	2
								2	D Cibulková	6	6

Qualifying

Seeds

1. Andrea Petkovic (Qualified)
2. Kirsten Flipkens (Qualified)
3. Camila Giorgi (Withdrew due to a lower back injury)
4. Elise Mertens (Qualified)
5. Denisa Allertová (Second round)
6. Irina Khromacheva (First round)
7. Donna Vekić (Qualifying competition, Lucky loser)
8. Patricia Maria Țig (First round, retired)
9. Ekaterina Alexandrova (Second round)

Qualifiers

1. Andrea Petkovic
2. Kirsten Flipkens
3. Stefanie Vögele (Withdrew)
4. Elise Mertens

Lucky Losers

1. Donna Vekić

Draw

First qualifier

	First Round							Second Round							Qualifying Competition
	1	Andrea Petkovic	7^7	6
		Lesley Kerkhove	6^3	1
								1	Andrea Petkovic	6	6
									Barbara Haas	3	4
	WC	Valeriya Pogrebnyak	0	3
		Barbara Haas	6	6
															1	Andrea Petkovic	6	6
																Anastasiya Komardina	2	3
		Ksenia Lykina	1	3
		Anastasiya Komardina	6	6
									Anastasiya Komardina	6	6
									Sabina Sharipova	3	4
		Sabina Sharipova	6	4
	8	Patricia Maria Țig	2	1^r

Second qualifier

	First Round							Second Round							Qualifying Competition
	2	Kirsten Flipkens	6	6
		Viktoriya Tomova	1	2
								2	Kirsten Flipkens	3	6	6
									Paula Cristina Gonçalves	6	2	0
		Paula Cristina Gonçalves	6	6
		Veronika Kudermetova	3	4
															2	Kirsten Flipkens	6	5	7
															7	Donna Vekić	4	7	5
		Cindy Burger	6	2	6^3
		Viktoria Kamenskaya	2	6	7^7
									Viktoria Kamenskaya	2	1
								7	Donna Vekić	6	6
		Aryna Sabalenka	4	2
	7	Donna Vekić	6	6

Third qualifier

	First Round							Second Round							Qualifying Competition
	9	Ekaterina Alexandrova	6	7
		Aliaksandra Sasnovich	4	5
								9	Ekaterina Alexandrova	5	1
									Elitsa Kostova	7	6
		Isabella Shinikova	5	6	6^5
		Elitsa Kostova	7	2	7^7
																Elitsa Kostova	3	4
																Stefanie Vögele	6	6
	WC	Valeriya Strakhova	0	2
		Stefanie Vögele	6	6
									Stefanie Vögele	7	6
								5	Denisa Allertová	5	2
	WC	Tena Lukas	6	6^1	5
	5	Denisa Allertová	2	7^7	7

Fourth qualifier

	First Round							Second Round							Qualifying Competition
	4	Elise Mertens	6	6
		Sílvia Soler Espinosa	4	0
								4	Elise Mertens	4	6	5
									Tereza Martincová	6	4	5^d
	WC	Olesya Pervushina	2	4
		Tereza Martincová	6	6
															4	Elise Mertens	6	2	6
																Maryna Zanevska	2	6	4
	PR	Michaëlla Krajicek	1	2
		Maryna Zanevska	6	6
									Maryna Zanevska	7^8	7^9
								Alt	Gabriela Dabrowski	6^6	6^7
	Alt	Gabriela Dabrowski	4	6	6
	6	Irina Khromacheva	6	3	2

References

• Main draw
• Qualifying draw