Natsumi Kawaguchi vs Ayumi Koshiishi Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
N. Kawaguchi vs A. Koshiishi

Natsumi Kawaguchi

JPN

1

Win

Played

0

Win

Age

Height

583

C. Rank

467

346

Best Rank

367

Total Titles

YTD Titles

$8.3K

Career Money

Plays

Ayumi Koshiishi

JPN

1

Win

Played

0

Win

Age

Height

583

C. Rank

467

346

Best Rank

367

Total Titles

YTD Titles

$8.3K

Career Money

Plays

Head-to-head: Kawaguchi 1 - 0 Koshiishi

They have played 2 sets in total, with Natsumi Kawaguchi winning 2 and Ayumi Koshiishi winning 0. The last match between Natsumi Kawaguchi and Ayumi Koshiishi was at the W15 Hinode, 26-03-2023, Round: SF, Surface: Hard, with Natsumi Kawaguchi getting the victory 6-1 6-2.

Players	Head To Head Match Wins
Kawaguchi	1
Koshiishi	0

Last 1 H2H Matches:

(SF) W15 Hinode(03-26-23)

Stats

Natsumi Kawaguchi

Ayumi Koshiishi

N. Kawaguchi vs A. Koshiishi H2H Profile

N. Kawaguchi	Stats	A. Koshiishi
$8,310	Career Prize Money	$0
60.66% (128-83)	Career Total W/L	62.18% (291-177)
1	Hard	0
4	Titles	8
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

N. Kawaguchi vs A. Koshiishi 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 Ayumi Koshiishi has won 36.35%. 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 Ayumi Koshiishi has won 49.28%. The same stats for first serve returns are 32.51% and 35.30% 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 Ayumi Koshiishi has saved 42.09% 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 Ayumi Koshiishi winning 51.56% (W/L 33/31) 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). Ayumi Koshiishi has their best career surface win % on Hard, winning 63% (W/L 218/125), and worse career win % on I.hard, winning 56% (W/L 24/19).
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 Ayumi Koshiishi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 51.56% of matches (W/L 33/31). 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 Ayumi Koshiishi being victorious 0 times. They have played 2 sets in total, with Natsumi Kawaguchi winning 2 and Ayumi Koshiishi winning 0.
The last match between Natsumi Kawaguchi and Ayumi Koshiishi was at the W15 Hinode, 26-03-2023, Round: SF, Surface: Hard, with Natsumi Kawaguchi getting the victory 6-1 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:2:0.
Opponent quality stats: Over the last 12 months, Natsumi Kawaguchi has played against opponents with an average rank of 391.37 while Ayumi Koshiishi has played against players with an average rank of 413.11.
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 Ayumi Koshiishi has won 69% in all matches played on tour.
Break point conversion: In recent form, Natsumi Kawaguchi has converted 40.26% of breakpoint opportunities, and Ayumi Koshiishi has converted 38.86% 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 Ayumi Koshiishi Editorial Preview By TennisTipster88.

N. Kawaguchi vs A. Koshiishi H2H Stats Used In Our Predictions

N. Kawaguchi	Stats	A. Koshiishi
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	3
0	Total Double Faults	2
1:2:0	Average Match Time	1:2:0
72% (33/46)	1st Serve %	51% (24/47)
64% (21/33)	1st Serve Win %	50% (12/24)
85% (11/13)	2nd Serve Win %	39% (9/23)
45% (5/11)	Break Pts Won %	0% (0/2)
55% (26/47)	Return Points Win %	30% (14/46)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

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

A. Koshiishi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W75 Saguenay - 20-10-2025
QF Anna Sinclair RogersA. Sinclair	L	6-2 6-4	Stats
R2 Teah ChavezT. Chavez	W	7-6(5) 2-6 6-2	Stats
R1 Alexandra VagramovA. Vagramov	W	6-4 3-6 6-3	Stats
WTA 125 Jinan Open - Jinan - 13-10-2025
Q1 Priska Madelyn NugrohoP. Madelyn	L	6-7(2) 6-3 7-5	Stats
W100 Incheon - 22-09-2025
R1 Misaki MatsudaM. Matsuda	L	6-4 4-6 6-2	Stats

View All

N. Kawaguchi vs A. Koshiishi Stats Breakdown Vs All H2H Opponents

N. Kawaguchi	Stats	A. Koshiishi
60.66% (128/83)	YTD Win/Loss	62.18% (291/177)
59.33% (283/194)	Sets Win/Loss	60.67% (631/409)
53.92% (2347/2006)	Games Win/Loss	54.93% (5068/4158)
61.11% (99/63)	Hard Win/Loss	63.56% (218/125)
57.14% (8/6)	Clay Win/Loss	63.41% (26/15)
59.26% (16/11)	Indoor Hard W/L	55.95% (47/37)
62.50% (5/3)	Grass Win/Loss	0% (0/0)
0.12	Aces Per Game	0.18
254	Aces Total	823
0.23	Double Faults Per Game	0.29
479	Total Double Faults	1324
1:29:43	Average Match Time	1:15:44
440.93	Average Opponent Rank	510.68
67% (8316/12473)	1st Serve %	60% (13486/22462)
61% (5107/8316)	1st Serve Win %	62% (8298/13486)
46% (1909/4157)	2nd Serve Win %	45% (4050/8975)
49% (760/1550)	Break Points Won % (Total)	50% (1521/3060)
46% (5703/12403)	Return Points Win %	48% (10708/22354)
50.00% (1/1)	Main Tour W/L	0% (0/0)
56.39% (75/58)	Challenger W/L	52.83% (140/125)
68.42% (52/24)	Futures W/L	74.38% (151/52)
60% (126/209)	Best of 3 Sets Win %	62% (284/458)
100% (1/1)	Best of 5 Sets Win %	100% (2/2)
61% (23/38)	Tiebreaks Win % (Total)	58% (45/78)
48% (27/56)	Deciding Set Win %	51% (56/110)
84% (129/109)	1st Set Won, Won Match	90% (290/261)
16% (129/20)	1st Set Won, Lost Match	10% (290/28)
22% (81/18)	1st Set Lost, Won Match	17% (178/30)