Natsumi Kawaguchi vs Sayaka Ishii Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
N. Kawaguchi vs S. Ishii

Natsumi Kawaguchi

JPN

1

Win

Played

0

Win

Age

Height

583

C. Rank

246

346

Best Rank

188

Total Titles

YTD Titles

$8.3K

Career Money

$75.0K

Plays

Sayaka Ishii

JPN

1

Win

Played

0

Win

Age

Height

583

C. Rank

246

346

Best Rank

188

Total Titles

YTD Titles

$8.3K

Career Money

$75.0K

Plays

Head-to-head: Kawaguchi 1 - 0 Ishii

They have played 3 sets in total, with Natsumi Kawaguchi winning 2 and Sayaka Ishii winning 1. The last match between Natsumi Kawaguchi and Sayaka Ishii was at the W25 Makinohara, 04-10-2022, Round: R1, Surface: Grass, with Natsumi Kawaguchi getting the victory 1-6 6-4 7-5.

Players	Head To Head Match Wins
Kawaguchi	1
Ishii	0

Last 1 H2H Matches:

(R1) W25 Makinohara(10-04-22)

Stats

Natsumi Kawaguchi

Sayaka Ishii

N. Kawaguchi vs S. Ishii H2H Profile

N. Kawaguchi	Stats	S. Ishii
$8,310	Career Prize Money	$75,020
60.66% (128-83)	Career Total W/L	61.58% (109-68)
1	Grass	0
4	Titles	1
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0.00% (0-1)

N. Kawaguchi vs S. Ishii Match Preview:

Second serve performance recent form: In recent form (last 6 months), Natsumi Kawaguchi has won 40.48% of points on their second serve, while Sayaka Ishii has won 43.01%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Natsumi Kawaguchi, in recent form, has won 50.00% of their opponent's second serve points, while Sayaka Ishii has won 52.74%. The same stats for first serve returns are 32.51% and 31.78% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Natsumi Kawaguchi has saved 51.95% of breakpoints in recent form, whereas Sayaka Ishii has saved 53.13% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Natsumi Kawaguchi has won 62.90% of matches played (W/L 39/23), with Sayaka Ishii winning 52.78% (W/L 19/17) that gives us an overall head-to head prediction overview.
Best surface: Natsumi Kawaguchi has their best career surface win % on Grass, winning 63% (W/L 5/3), and worse career win % on I.hard, winning 50% (W/L 4/4). Sayaka Ishii has their best career surface win % on I.hard, winning 63% (W/L 9/5), and worse career win % on Grass, winning 50% (W/L 5/5).
Player level: In the last year, Natsumi Kawaguchi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 63.83% of matches (W/L 30/17), 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 Natsumi Kawaguchi winning 1 times and Sayaka Ishii being victorious 0 times. They have played 3 sets in total, with Natsumi Kawaguchi winning 2 and Sayaka Ishii winning 1.
The last match between Natsumi Kawaguchi and Sayaka Ishii was at the W25 Makinohara, 04-10-2022, Round: R1, Surface: Grass, with Natsumi Kawaguchi getting the victory 1-6 6-4 7-5.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:53:0.
Opponent quality stats: Over the last 12 months, Natsumi Kawaguchi has played against opponents with an average rank of 391.37 while Sayaka Ishii has played against players with an average rank of 242.92.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Natsumi Kawaguchi has won 58% 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, Natsumi Kawaguchi has converted 40.26% of breakpoint opportunities, and Sayaka Ishii has converted 36.96% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Natsumi Kawaguchi vs Sayaka Ishii Editorial Preview By TennisTipster88.

N. Kawaguchi vs S. Ishii H2H Stats Used In Our Predictions

N. Kawaguchi	Stats	S. Ishii
1	H2H Matches Won	0
2	Sets Won	1
14	Games Won	15
1	Aces (Total)	0
6	Total Double Faults	3
2:53:0	Average Match Time	2:53:0
73% (61/83)	1st Serve %	59% (61/104)
52% (32/61)	1st Serve Win %	54% (33/61)
41% (9/22)	2nd Serve Win %	44% (19/43)
39% (7/18)	Break Pts Won %	73% (8/11)
50% (52/104)	Return Points Win %	51% (42/83)
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

N. Kawaguchi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Brisbane - 20-10-2025
QF Katie SwanK. Swan	L	6-4 7-6(3)	Stats
R2 Elena MicicE. Micic	W	2-6 7-6(5) 6-0	Stats
R1 Shiho TsujiokaS. Tsujioka	W	6-1 1-6 6-3	Stats
W100 Incheon - 22-09-2025
R2 Sara SaitoS. Saito	L	6-4 6-4	Stats
R1 Ya-Hsuan LeeY. Lee	W	6-1 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

N. Kawaguchi vs S. Ishii Stats Breakdown Vs All H2H Opponents

N. Kawaguchi	Stats	S. Ishii
60.66% (128/83)	YTD Win/Loss	61.58% (109/68)
59.33% (283/194)	Sets Win/Loss	57.84% (236/172)
53.92% (2347/2006)	Games Win/Loss	53.41% (2015/1758)
61.11% (99/63)	Hard Win/Loss	62.81% (76/45)
57.14% (8/6)	Clay Win/Loss	61.29% (19/12)
59.26% (16/11)	Indoor Hard W/L	60.00% (9/6)
62.50% (5/3)	Grass Win/Loss	50.00% (5/5)
0.12	Aces Per Game	0.15
254	Aces Total	285
0.23	Double Faults Per Game	0.39
479	Total Double Faults	709
1:29:43	Average Match Time	1:45:3
440.93	Average Opponent Rank	400.46
67% (8316/12473)	1st Serve %	62% (7100/11494)
61% (5107/8316)	1st Serve Win %	63% (4502/7100)
46% (1909/4157)	2nd Serve Win %	45% (1975/4394)
49% (760/1550)	Break Points Won % (Total)	49% (676/1379)
46% (5703/12403)	Return Points Win %	46% (5170/11296)
0% (0/0)	Slam W/L	25.00% (1/3)
0% (0/0)	Masters W/L	0.00% (0/2)
50.00% (1/1)	Main Tour W/L	60.00% (6/4)
56.39% (75/58)	Challenger W/L	62.67% (94/56)
68.42% (52/24)	Futures W/L	72.73% (8/3)
60% (126/209)	Best of 3 Sets Win %	62% (107/173)
100% (1/1)	Best of 5 Sets Win %	0% (0/2)
61% (23/38)	Tiebreaks Win % (Total)	50% (17/34)
48% (27/56)	Deciding Set Win %	67% (37/55)
84% (129/109)	1st Set Won, Won Match	87% (98/85)
16% (129/20)	1st Set Won, Lost Match	12% (98/12)
22% (81/18)	1st Set Lost, Won Match	30% (79/24)