Katie Boulter vs Katerina Siniakova — Semifinal, Japan Open 2026
WTA 250HardOsaka, Japan
🇬🇧ranked WTA number 54 going into this draw
Katie Boulter seeded 8
24 Oct 2026 at UTC
Form
6–4
Won–lost, last 10 matches
6–4
4–2
Won–lost, last 30 days
4–2
🇭🇷A. RuzicAntonia RuzicNo. 93
No. 93 · QFOsaka QF
M. StoianaMary Stoiana🇺🇸No. 114
No. 114 · QFOsaka QF
🇨🇭V. GolubicViktorija GolubicNo. 72
No. 72 · R16Osaka R16
M. LinetteMagda Linette🇵🇱No. 77
No. 77 · R16Osaka R16
🇯🇵H. SakatsumeHimeno SakatsumeNo. 115
No. 115 · R32Osaka R32
P. StearnsPeyton Stearns🇺🇸No. 37
No. 37 · R32Osaka R32
🇷🇺D. ShnaiderDiana ShnaiderNo. 14
No. 14 · R64Wuhan R64
L. SamsonovaLiudmila Samsonova🇷🇺No. 39
No. 39 · R64Wuhan R64
🇨🇿K. MuchováKarolína MuchováNo. 8
No. 8 · R64Beijing R64
E. SvitolinaElina Svitolina🇺🇦No. 7
No. 7 · R64Beijing R64
🇯🇵M. HontamaMai HontamaNo. 177
No. 177 · R128Beijing R128
M. LinetteMagda Linette🇵🇱No. 80
No. 80 · R128Beijing R128
🇨🇿K. MuchováKarolína MuchováNo. 7
No. 7 · R64New York R64
N. OsakaNaomi Osaka🇯🇵No. 13
No. 13 · R64New York R64
🇺🇸C. LeeCarol Young Suh Lee
R128New York R128
E. CocciarettoElisabetta Cocciaretto🇮🇹No. 66
No. 66 · R128New York R128
🇨🇿L. NoskovaLinda NoskovaNo. 8
No. 8 · R64Cincinnati R64
M. KeysMadison Keys🇺🇸No. 24
No. 24 · R32Cincinnati R32
🇺🇸K. VolynetsKatie VolynetsNo. 89
No. 89 · R128Cincinnati R128
J. Bouzas ManeiroJessica Bouzas Maneiro🇪🇸No. 90
No. 90 · R64Cincinnati R64
All 10 matches
🇯🇵M. HontamaMai HontamaNo. 177
No. 177 · R128Beijing R128
M. LinetteMagda Linette🇵🇱No. 80
No. 80 · R128Beijing R128
🇨🇿K. MuchováKarolína MuchováNo. 7
No. 7 · R64New York R64
N. OsakaNaomi Osaka🇯🇵No. 13
No. 13 · R64New York R64
🇺🇸C. LeeCarol Young Suh Lee
R128New York R128
E. CocciarettoElisabetta Cocciaretto🇮🇹No. 66
No. 66 · R128New York R128
🇨🇿L. NoskovaLinda NoskovaNo. 8
No. 8 · R64Cincinnati R64
M. KeysMadison Keys🇺🇸No. 24
No. 24 · R32Cincinnati R32
🇺🇸K. VolynetsKatie VolynetsNo. 89
No. 89 · R128Cincinnati R128
J. Bouzas ManeiroJessica Bouzas Maneiro🇪🇸No. 90
No. 90 · R64Cincinnati R64
Stats, last 6 months
By surface
6–6
Hard
6–5
1–3
Clay
3–4
3–3
Grass
2–3
By round
0–1
SF
–
3–0
At WTA 250s
3–0
How their matches go
22
Completed matches
21
18%
Won in straight sets
43%
27%
Won after losing a set
5%
18%
Lost after winning a set
29%
36%
Lost in straight sets
24%
2–2
Tiebreaks
2–4
6–4
Deciding sets
1–6
8/11
Won after winning set 1
9/12
2/11
Won after losing set 1
1/9
Serve and return, last 5 matches
59%
1st serve in
62%
64%
1st serve points won
65%
45%
2nd serve points won
51%
65%
Break points saved
61%
44%
Return points won
45%
66%
Break points won
45%
1.6
Aces a match
2.4
4.8
Double faults a match
3.6
Last 14 days
4
Matches
4
9
Sets
10
0
Days since last match
0