Katerina Siniakova vs Sayaka Ishii Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
K. Siniakova vs S. Ishii

Katerina Siniakova

CZE

1

Win

Played

0

Win

Age

1.74m

Height

C. Rank

377

Best Rank

188

Total Titles

YTD Titles

$4.2M

Career Money

$75.0K

Right-handed (two-handed backhand)

Plays

Sayaka Ishii

JPN

1

Win

Played

0

Win

Age

1.74m

Height

C. Rank

377

Best Rank

188

Total Titles

YTD Titles

$4.2M

Career Money

$75.0K

Right-handed (two-handed backhand)

Plays

Head-to-head: Siniakova 1 - 0 Ishii

They have played 3 sets in total, with Katerina Siniakova winning 2 and Sayaka Ishii winning 1. The last match between Katerina Siniakova and Sayaka Ishii was at the Tennis in the Land - Cleveland, 20-08-2024, Round: R1, Surface: Hard, with Katerina Siniakova getting the victory 6-7(5) 6-3 7-6(5).

Players	Head To Head Match Wins
Siniakova	1
Ishii	0

Last 1 H2H Matches:

(R1) Tennis in the Land - Cleveland(08-20-24)

Stats

Katerina Siniakova

Sayaka Ishii

K. Siniakova vs S. Ishii H2H Profile

K. Siniakova	Stats	S. Ishii
$4,196,015	Career Prize Money	$75,020
58.56% (407-288)	Career Total W/L	61.58% (109-68)
1	Hard	0
15	Titles	1
1	Total H2H Matches	0
44.74% (17-21)	YTD Win/Loss	0.00% (0-1)

K. Siniakova vs S. Ishii Match Preview:

Second serve performance recent form: In recent form (last 6 months), Katerina Siniakova has won 40.06% of points on their second serve, while Sayaka Ishii has won 40.76%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Katerina Siniakova, in recent form, has won 50.00% of their opponent's second serve points, while Sayaka Ishii has won 51.74%. The same stats for first serve returns are 30.44% and 31.79% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Katerina Siniakova has saved 50.00% of breakpoints in recent form, whereas Sayaka Ishii has saved 54.05% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Katerina Siniakova has won 62.71% of matches played (W/L 37/22), with Sayaka Ishii winning 52.78% (W/L 19/17) that gives us an overall head-to head prediction overview.
Best surface: Katerina Siniakova has their best career surface win % on Clay, winning 62% (W/L 130/80), and worse career win % on Hard, winning 56% (W/L 179/143). Sayaka Ishii has their best career surface win % on I.hard, winning 62% (W/L 9/5), and worse career win % on Grass, winning 50% (W/L 5/5).
Player level: In the last year, Katerina Siniakova has played most of their matches on the Main tour, winning 64.29% of matches (W/L 18/10), where as Sayaka Ishii has played most of their matches on the Challengers/ITF tournaments > $10K, winning 58.06% of matches (W/L 18/13). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 1 times before with Katerina Siniakova winning 1 times and Sayaka Ishii being victorious 0 times. They have played 3 sets in total, with Katerina Siniakova winning 2 and Sayaka Ishii winning 1.
The last match between Katerina Siniakova and Sayaka Ishii was at the Tennis in the Land - Cleveland, 20-08-2024, Round: R1, Surface: Hard, with Katerina Siniakova getting the victory 6-7(5) 6-3 7-6(5).
Head to head match duration: In past head to head matches, the average match time between these players has been 2:49:42.
Opponent quality stats: Over the last 12 months, Katerina Siniakova has played against opponents with an average rank of 121.86 while Sayaka Ishii has played against players with an average rank of 240.39.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Katerina Siniakova has won 43% of deciding sets over the last 12 months, while Sayaka Ishii has won 91% in all matches played on tour.
Break point conversion: In recent form, Katerina Siniakova has converted 35.29% of breakpoint opportunities, and Sayaka Ishii has converted 36.00% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Katerina Siniakova vs Sayaka Ishii Editorial Preview By TennisTipster88.

K. Siniakova vs S. Ishii H2H Stats Used In Our Predictions

K. Siniakova	Stats	S. Ishii
1	H2H Matches Won	0
2	Sets Won	1
19	Games Won	16
10	Aces (Total)	0
10	Total Double Faults	5
2:49:42	Average Match Time	2:49:42
62% (73/118)	1st Serve %	60% (67/112)
66% (48/73)	1st Serve Win %	58% (39/67)
53% (24/45)	2nd Serve Win %	51% (23/45)
50% (6/12)	Break Pts Won %	36% (5/14)
45% (50/112)	Return Points Win %	39% (46/118)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set Win %	0% (0/1)
0% (0/0)	1st Set Won, Won Match	0% (0/1)
0% (0/0)	1st Set Won, Lost Match	100% (1/1)
100% (1/1)	1st Set Lost, Won Match	0% (0/0)

Recent Performance Stats

K. Siniakova Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Wuhan Open - Wuhan - 06-10-2025
QF Jessica PegulaJ. Pegula	L	2-6 6-0 6-3	Stats
R3 Iva JovicI. Jovic	W	7-5 6-3	Stats
R2 Maya JointM. Joint	W	6-3 6-1	Stats
R1 Diana ShnaiderD. Shnaider	W	6-4 6-4	Stats
Q3 Yafan WangY. Wang	W	6-3 7-5	Stats

View All

S. Ishii Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Hall of Fame Open - Newport - 07-07-2025
QF Tatjana MariaT. Maria	L	6-3 6-1	Stats
R2 Destanee AiavaD. Aiava	W	3-6 6-3 6-3	Stats
R1 Hanna ChangH. Chang	W	6-1 4-6 7-5	Stats
Wimbledon - London - 30-06-2025
Q1 Kathinka Von DeichmannK. Von	L	7-5 6-1	Stats
Lexus Ilkley Open - Ilkley - 09-06-2025
Q3 Valentina RyserV. Ryser	L	6-4 7-5	Stats

View All

K. Siniakova vs S. Ishii Stats Breakdown Vs All H2H Opponents

K. Siniakova	Stats	S. Ishii
58.56% (407/288)	YTD Win/Loss	61.58% (109/68)
56.94% (927/701)	Sets Win/Loss	57.84% (236/172)
52.69% (7904/7097)	Games Win/Loss	53.41% (2015/1758)
55.59% (179/143)	Hard Win/Loss	62.81% (76/45)
61.90% (130/80)	Clay Win/Loss	61.29% (19/12)
61.86% (60/37)	Indoor Hard W/L	60.00% (9/6)
57.58% (38/28)	Grass Win/Loss	50.00% (5/5)
0.18	Aces Per Game	0.15
1343	Aces Total	285
0.36	Double Faults Per Game	0.39
2675	Total Double Faults	709
1:28:54	Average Match Time	1:45:3
132	Average Opponent Rank	405.1
62% (26858/43522)	1st Serve %	62% (7100/11494)
63% (16925/26858)	1st Serve Win %	63% (4502/7100)
45% (7437/16665)	2nd Serve Win %	45% (1975/4394)
47% (2604/5513)	Break Points Won % (Total)	49% (676/1379)
45% (19869/43711)	Return Points Win %	46% (5170/11296)
44.71% (38/47)	Slam W/L	25.00% (1/3)
47.55% (68/75)	Masters W/L	0.00% (0/2)
62.50% (5/3)	Cups W/L	0% (0/0)
58.95% (191/133)	Main Tour W/L	60.00% (6/4)
77.97% (92/26)	Challenger W/L	62.67% (94/56)
76.47% (13/4)	Futures W/L	72.73% (8/3)
59% (403/685)	Best of 3 Sets Win %	62% (107/173)
0% (0/3)	Best of 5 Sets Win %	0% (0/2)
59% (86/146)	Tiebreaks Win % (Total)	50% (17/34)
53% (130/244)	Deciding Set Win %	67% (37/55)
86% (400/345)	1st Set Won, Won Match	87% (98/85)
14% (400/55)	1st Set Won, Lost Match	12% (98/12)
21% (294/63)	1st Set Lost, Won Match	30% (79/24)