WTAHardOsaka2026-10-24 06:30

Katie Boulter v Katerina Siniakova

The market

No published price yet

Percentages are the implied chance of winning with the bookmaker's margin removed.

Recent form

K. BoulterWWWLL

K. SiniakovaWWWLL

Last five completed matches, most recent first.

Head to head

K. Boulter1

K. Siniakova0

Head to head1 meeting

Date	Event	Match	Score
2025-04-22	Madrid	K. BoultervK. Siniakova	4-6 6-2 6-1

This season & this event

K. Boulter

K. Siniakova

25-22

22-16

Lost R16 to S. Cirstea

Did not play

2026 record

2026 on hard

Here in 2025

Here in 2024

21-19

18-14

Did not play

Ranking points fall off a year after they are earned, so a player who went deep here last year must match it or drop in the rankings. That shapes effort in a way the price does not always show.

The players

Katie Boulter

United Kingdom

Katerina Siniakova

Czech Republic

United Kingdom

21–18

13–9

5–6

3–3

Ranking

Age

Country

2026 W/L

Titles

Hard

Clay

Grass

Czech Republic

10–8

7–7

3–1

—

Ranking, record and surface splits are for the most recent season on file. Height, weight and handedness are not published by our data provider.

K. Boulter — last 10

With the pre-match price we recorded at the time.

Date	Event	Surface	Opponent	Their price	Market	Result
2026-10-23	Osaka	Hard	A. Ruzic	1.53	63%	WON
Games in each set3-6 6-3 6-3 BoulterRuzicPoints won53%47%Serve points won57%51%Return points won49%43%Games held8 of 136 of 13Break points saved4 of 93 of 10Aces42Double faults55
2026-10-21	Osaka	Hard	V. Golubic	1.88	52%	WON
Games in each set6-2 6-1 BoulterGolubicPoints won64%36%Serve points won76%52%Return points won48%24%Games held8 of 83 of 7Break points saved1 of 10 of 4Aces10Double faults30
2026-10-19	Osaka	Hard	H. Sakatsume	1.56	62%	WON
Games in each set6-3 6-1 BoulterSakatsumePoints won56%44%Serve points won60%50%Return points won50%40%Games held7 of 83 of 8Break points saved12 of 134 of 9Aces12Double faults71
2026-10-12	Wuhan	Hard	D. Shnaider	4.37	78%	LOST
Games in each set3-6 1-6 BoulterShnaiderPoints won44%56%Serve points won44%56%Return points won44%56%Games held2 of 86 of 8Break points saved10 of 163 of 5Aces01Double faults44
2026-10-02	Beijing	Hard	K. Muchova	5.63	83%	LOST
Games in each set6-7 1-6 BoulterMuchovaPoints won39%61%Serve points won52%75%Return points won25%48%Games held6 of 99 of 10Break points saved1 of 40 of 1Aces25Double faults53
2026-09-30	Beijing	Hard	M. Hontama	1.41	68%	WON
Games in each set6-3 6-4 BoulterHontamaPoints won53%47%Serve points won60%53%Return points won47%40%Games held7 of 95 of 10Break points saved6 of 83 of 8Aces42Double faults61
2026-09-22	WTA Billie Jean King Cup - World Group	- Qualification	L. Noskova	—	—	LOST
Games in each set2-6 6-7 BoulterNoskovaPoints won46%54%Serve points won67%76%Return points won24%33%Games held8 of 1010 of 10Break points saved4 of 60 of 0Aces415Double faults52
2026-09-02	US Open	Hard	K. Muchova	6.73	86%	LOST
Games in each set1-6 0-6 BoulterMuchovaPoints won32%68%Serve points won29%65%Return points won35%71%Games held0 of 75 of 6Break points saved0 of 72 of 3Aces02Double faults82
2026-08-30	US Open	Hard	C. Y. Lee	—	—	WON
Games in each set6-4 3-6 6-0 BoulterLeePoints won54%46%Serve points won61%52%Return points won48%39%Games held10 of 128 of 13Break points saved5 of 711 of 16Aces08Double faults73
2026-08-15	Cincinnati	Hard	L. Noskova	3.95	75%	LOST
Games in each set3-6 3-6 BoulterNoskovaPoints won43%57%Serve points won52%69%Return points won31%48%Games held5 of 98 of 9Break points saved5 of 91 of 2Aces010Double faults76

K. Siniakova — last 10

With the pre-match price we recorded at the time.

Date	Event	Surface	Opponent	Score	Their price	Market	Result
2026-10-23	Osaka	Hard	M. Stoiana		1.39	70%	WON
Games in each set6-1 6-2 SiniakovaStoianaPoints won62%38%Serve points won68%46%Return points won54%32%Games held8 of 83 of 7Break points saved6 of 64 of 8Aces01Double faults31
2026-10-22	Osaka	Hard	M. Linette		1.52	64%	WON
Games in each set6-4 6-1 SiniakovaLinettePoints won59%41%Serve points won61%43%Return points won57%39%Games held6 of 83 of 9Break points saved3 of 55 of 11Aces24Double faults32
2026-10-19	Osaka	Hard	P. Stearns	RET	1.72	57%	WON
Games in each set6-4 0-6 4-0 SiniakovaStearnsPoints won51%49%Serve points won59%58%Return points won42%41%Games held7 of 107 of 10Break points saved2 of 53 of 6Aces31Double faults51
2026-10-12	Wuhan	Hard	L. Samsonova		2.01	52%	LOST
Games in each set1-6 7-5 2-6 SiniakovaSamsonovaPoints won45%55%Serve points won60%67%Return points won33%40%Games held8 of 1312 of 14Break points saved4 of 95 of 7Aces11Double faults46
2026-10-02	Beijing	Hard	E. Svitolina		3.97	75%	LOST
Games in each set6-1 4-6 2-6 SiniakovaSvitolinaPoints won50%50%Serve points won54%55%Return points won45%46%Games held8 of 138 of 12Break points saved9 of 147 of 11Aces62Double faults32
2026-09-30	Beijing	Hard	M. Linette		1.49	65%	WON
Games in each set6-4 6-3 SiniakovaLinettePoints won54%46%Serve points won58%49%Return points won51%42%Games held6 of 94 of 10Break points saved6 of 93 of 9Aces13Double faults71
2026-09-02	US Open	Hard	N. Osaka		4.04	76%	LOST
Games in each set2-6 7-5 1-6 SiniakovaOsakaPoints won44%56%Serve points won50%61%Return points won39%50%Games held7 of 1311 of 14Break points saved4 of 105 of 8Aces311Double faults75
2026-09-01	US Open	Hard	E. Cocciaretto		1.54	63%	WON
Games in each set6-3 6-2 SiniakovaCocciarettoPoints won61%39%Serve points won72%50%Return points won50%28%Games held8 of 94 of 8Break points saved1 of 21 of 5Aces10Double faults65
2026-08-18	Cincinnati	Hard	M. Keys		4.23	77%	LOST
Games in each set1-6 3-6 SiniakovaKeysPoints won38%62%Serve points won47%74%Return points won26%53%Games held4 of 88 of 8Break points saved5 of 93 of 3Aces02Double faults53
2026-08-16	Cincinnati	Hard	J. Bouzas Maneiro		1.98	51%	WON
Games in each set6-7 6-1 6-1 SiniakovaManeiroPoints won55%45%Serve points won56%45%Return points won55%44%Games held8 of 133 of 13Break points saved4 of 94 of 14Aces30Double faults137

Katie Boulter v Katerina Siniakova

Head to head

K. Boulter — last 10

K. Siniakova — last 10

Common questions

What is the head-to-head between Katie Boulter and Katerina Siniakova?

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