Katie O'Brien | Grand Slams | Activity & More

Best Grand Slam Result

2x Round of 64

2010, 2007

Total W/L Record - 2/12
Australian Open

1x Round of 64

2010

W/L - 1/2
Roland Garros

2x Round of 128

2010, 2009

W/L - 0/2
Wimbledon

1x Round of 64

2007

W/L - 1/8
US Open

No Appearances

No Appearances

No Appearances

No Appearances
No Appearances

No Appearances
1x Round of 64

2009

W/L - 0/1
2x Round of 16

2010, 2009

W/L - 2/10
No Appearances

No Appearances

Tournaments below are grouped by their current WTA level. Some results were achieved when a tournament was held at a different tier.

Last Updated: 06 Nov 2026 06:00 UTC

australian open

AUSTRALIA

1/2 W/L Record

R64 x1 Best Result

Year	Position	Opponent	Match Score
2010	R64 Round of 64	J. Jankovic	6-2 , 6-2
2009	R128 Round of 128	M. Niculescu	6-4 , 6-4

bangalore open

BANGALORE OPEN • INDIA

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2008	R32 Round of 32	O. Savchuk	6-4 , 2-6 , 7-5

aegon classic

AEGON CLASSIC • GREAT BRITAIN

1/4 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2010	R64 Round of 64	S. Karatantcheva	6-3 , 6-4
2009	R64 Round of 64	M. South	6-4 , 1-6 , 7-6(5)
2008	R32 Round of 32	Y. Shvedova	7-5 , 1-6 , 7-5
2006	R64 Round of 64	A. Morita	6-4 , 2-6 , 6-1

This tournament has been held at different levels over time. All editions are included to show the complete tournament record.

family circle cup

FAMILY CIRCLE CUP • USA, SC

0/1 W/L Record

R64 x1 Best Result

Year	Position	Opponent	Match Score
2009	R64 Round of 64	S. Dubois	4-6 , 6-2 , 6-1

international women's open

INTERNATIONAL WOMEN'S OPEN • GREAT BRITAIN

1/3 W/L Record

R16 x1 Best Result

Year	Position	Opponent	Match Score
2008	R32 Round of 32	S. Stosur	6-4 , 6-3
2007	R16 Round of 16	E. Dementieva	6-3 , 6-4
2006	R32 Round of 32	F. Schiavone	6-3 , 6-1

landsky lighting guangzhou international women's open 2010- guangzhou, china

LANDSKY LIGHTING GUANGZHOU INTERNATIONAL WOMEN'S OPEN 2010- GUANGZHOU, CHINA • CHINA

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2010	R32 Round of 32	S. Mirza	6-3 , 1-6 , 6-2

regions morgan keegan & cellular south cup- memphis, tn

REGIONS MORGAN KEEGAN & CELLULAR SOUTH CUP- MEMPHIS, TN • USA, TN

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2010	R32 Round of 32	B. Mattek-Sands	6-2 , 6-1

japan women's open tennis- osaka, japan

JAPAN WOMEN'S OPEN TENNIS- OSAKA, JAPAN • JAPAN

1/1 W/L Record

R16 x1 Best Result

Year	Position	Opponent	Match Score
2009	R16 Round of 16	C. Wozniacki	6-0 , 6-1

internazionali femminili di tennis di palermo

INTERNAZIONALI FEMMINILI DI TENNIS DI PALERMO • ITALY

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2008	R32 Round of 32	L. Domínguez Lino	5-7 , 6-3 , 6-0

banka koper slovenia open

BANKA KOPER SLOVENIA OPEN • SLOVENIA

1/2 W/L Record

R16 x1 Best Result

Year	Position	Opponent	Match Score
2009	R32 Round of 32	L. Safarova	6-4 , 6-4
2008	R16 Round of 16	V. Dushevina	6-3 , 6-2

This tournament has been held at different levels over time. All editions are included to show the complete tournament record.

ecm prague open

ECM PRAGUE OPEN • CZECH REPUBLIC

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2009	R32 Round of 32	M. Niculescu	6-3 , 6-2

bell challenge

BELL CHALLENGE • CANADA

0/1 W/L Record

R32 x1 Best Result

Year	Position	Opponent	Match Score
2009	R32 Round of 32	A. Kudryavtseva	6-1 , 6-4

grand prix de sar la princess lalla meryem- fes, mar

GRAND PRIX DE SAR LA PRINCESS LALLA MERYEM- FES, MAR • MOROCCO

1/2 W/L Record

R16 x1 Best Result

Year	Position	Opponent	Match Score
2010	R16 Round of 16	R. Voracova	6-0 , 7-5
2008	R32 Round of 32	E. Loit	6-7(7) , 6-4 , 6-1

This tournament has been held at different levels over time. All editions are included to show the complete tournament record.

roland garros- paris, france

FRANCE

0/2 W/L Record

R128 x2 Best Result

Year	Position	Opponent	Match Score
2010	R128 Round of 128	J. Craybas	6-0 , 4-6 , 6-2
2009	R128 Round of 128	O. Govortsova	6-1 , 6-1

tashkent open

TASHKENT OPEN • UZBEKISTAN

2/3 W/L Record

QF x1 Best Result

Year	Position	Opponent	Match Score
2010	R32 Round of 32	E. Lopes	7-5 , 6-1
2008	R32 Round of 32	R. Olaru	6-2 , 6-1
2007	QF Quarter Final	O. Govortsova	6-2 , 6-3

This tournament has been held at different levels over time. All editions are included to show the complete tournament record.

the championships

GREAT BRITAIN

1/8 W/L Record

R64 x1 Best Result

Year	Position	Opponent	Match Score
2011	R128 Round of 128	K. Date	6-0 , 7-5
2010	R128 Round of 128	A. Bondarenko	6-3 , 6-7(10) , 6-4
2009	R128 Round of 128	I. Melzer	6-2 , 5-7 , 6-4
2008	R128 Round of 128	S. Peer	6-3 , 7-5
2007	R64 Round of 64	M. Krajicek	6-0 , 6-1
2006	R128 Round of 128	T. Garbin	2-6 , 7-6(2) , 6-2
2005	R128 Round of 128	K. Clijsters	6-2 , 6-3
2004	R128 Round of 128	M. Sánchez Lorenzo	6-4 , 6-4

Data not available

We have no records for this player for this level. Please try another query.

Best Grand Slam Result

5x Round of 64

2010, 2009, 2008, 2006, 2005

Total W/L Record - 0/5
Australian Open

No Appearances

No Appearances
Roland Garros

No Appearances

No Appearances
Wimbledon

5x Round of 64

2010, 2009, 2008, 2006, 2005

W/L - 0/5
US Open

No Appearances

No Appearances

No Appearances

No Appearances
No Appearances

No Appearances
No Appearances

No Appearances
1x Quarter Final

2010

W/L - 1/2
No Appearances

No Appearances

Tournaments below are grouped by their current WTA level. Some results were achieved when a tournament was held at a different tier.

Last Updated: 06 Nov 2026 06:00 UTC

rogers cup presented by national bank

Rogers Cup presented by National Bank • CANADA

0/1 W/L Record

R32 x1 Best Result

Year	Position	Partner	Opponent	Match Score
2008	R32 Round of 32	C. Scheepers	A. Keothavong / A. Stevenson	1-6 , 7-5 , 10-8

internazionali femminili di tennis di palermo

INTERNAZIONALI FEMMINILI DI TENNIS DI PALERMO • ITALY

0/1 W/L Record

R16 x1 Best Result

Year	Position	Partner	Opponent	Match Score
2008	R16 Round of 16	M. Chakhnashvili-Ranzinger	X. Han / Y. Xu	6-1 , 6-1

banka koper slovenia open

BANKA KOPER SLOVENIA OPEN • SLOVENIA

1/1 W/L Record

QF x1 Best Result

Year	Position	Partner	Opponent	Match Score
2007	QF Quarter Final	K. Kachlikova	S. Foretz / E. Gagliardi	6-4 , 6-3

ecm prague open

ECM PRAGUE OPEN • CZECH REPUBLIC

0/1 W/L Record

R16 x1 Best Result

Year	Position	Partner	Opponent	Match Score
2009	R16 Round of 16	A. Tatishvili	M. Rybarikova / R. Voracova	6-4 , 6-4

grand prix de sar la princess lalla meryem- fes, mar

GRAND PRIX DE SAR LA PRINCESS LALLA MERYEM- FES, MAR • MOROCCO

1/2 W/L Record

QF x1 Best Result

Year	Position	Partner	Opponent	Match Score
2010	QF Quarter Final	R. Olaru	J. Coin / A. Cornet	6-2 , 6-2
2008	R16 Round of 16	K. Anderson	C. Castaño / A. Kremer	6-3 , 3-6 , 10-2

This tournament has been held at different levels over time. All editions are included to show the complete tournament record.

tashkent open

TASHKENT OPEN • UZBEKISTAN

2/2 W/L Record

SF x1 Best Result

Year	Position	Partner	Opponent	Match Score
2008	R16 Round of 16	K. Laisne	A. Lapushchenkova / M. Niculescu	6-1 , 6-2
2007	SF Semi Final	A. Amanmuradova	E. Dzehalevich / A. Yakimova	7-6(2) , 6-3

the championships

GREAT BRITAIN

0/5 W/L Record

R64 x5 Best Result

Year	Position	Partner	Opponent	Match Score
2010	R64 Round of 64	N. Broady	A. Sestini Hlavackova / L. Hradecka	6-2 , 6-3
2009	R64 Round of 64	N. Cavaday	M. Koryttseva / T. Poutchek	6-4 , 6-3
2008	R64 Round of 64	A. Elliott	A. Nakamura / A. Rezai	7-5 , 6-4
2006	R64 Round of 64	M. South	Y. Fedak / T. Perebiynis	6-4 , 6-4
2005	R64 Round of 64	M. South	Y. Beygelzimer / A. Serra Zanetti	6-3 , 6-2