Eudice Wong Chong vs Ayumi Koshiishi Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
E. Wong Chong vs A. Koshiishi

Eudice Wong Chong

HKG

1

Win

Played

1

Win

Age

Height

518

C. Rank

444

213

Best Rank

367

Total Titles

YTD Titles

$9.7K

Career Money

Plays

Ayumi Koshiishi

JPN

1

Win

Played

1

Win

Age

Height

518

C. Rank

444

213

Best Rank

367

Total Titles

YTD Titles

$9.7K

Career Money

Plays

Head-to-head: Chong 1 - 1 Koshiishi

They have played 5 sets in total, with Eudice Wong Chong winning 3 and Ayumi Koshiishi winning 2. The last match between Ayumi Koshiishi and Eudice Wong Chong was at the W75 Nonthaburi, 08-01-2025, Round: R1, Surface: Hard, with Ayumi Koshiishi getting the victory 6-2 4-6 6-4.

Players	Head To Head Match Wins
Chong	1
Koshiishi	1

Last 2 H2H Matches:

(R1) W75 Nonthaburi(01-08-25)

Stats

Ayumi Koshiishi

Eudice Wong Chong

(QF) W15 Xiamen(03-22-19)

Stats

Eudice Wong Chong

Ayumi Koshiishi

E. W. Chong vs A. Koshiishi H2H Profile

E. W. Chong	Stats	A. Koshiishi
$9,725	Career Prize Money	$0
56.41% (242-187)	Career Total W/L	62.03% (294-180)
1	Hard	1
6	Titles	8
1	Total H2H Matches	1
33.33% (1-2)	YTD Win/Loss	0% (0-0)

E. W. Chong vs A. Koshiishi Match Preview:

Second serve performance recent form: In recent form (last 6 months), Eudice Wong Chong has won 41.28% of points on their second serve, while Ayumi Koshiishi has won 35.78%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Eudice Wong Chong, in recent form, has won 50.84% of their opponent's second serve points, while Ayumi Koshiishi has won 48.54%. The same stats for first serve returns are 32.58% and 34.66% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Eudice Wong Chong has saved 53.45% of breakpoints in recent form, whereas Ayumi Koshiishi has saved 42.36% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Eudice Wong Chong has won 51.43% of matches played (W/L 18/17), with Ayumi Koshiishi winning 51.52% (W/L 34/32) that gives us an overall head-to head prediction overview.
Best surface: Eudice Wong Chong has their best career surface win % on Hard, winning 58% (W/L 207/150), and worse career win % on Clay, winning 48% (W/L 16/17). Ayumi Koshiishi has their best career surface win % on Hard, winning 58% (W/L 221/127), and worse career win % on I.hard, winning 55% (W/L 24/20).
Player level: In the last year, Eudice Wong Chong has played most of their matches on the Challengers/ITF tournaments > $10K, winning 53.13% of matches (W/L 17/15), where as Ayumi Koshiishi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 51.52% of matches (W/L 34/32). 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 2 times before with Eudice Wong Chong winning 1 times and Ayumi Koshiishi being victorious 1 times. They have played 5 sets in total, with Eudice Wong Chong winning 3 and Ayumi Koshiishi winning 2.
The last match between Eudice Wong Chong and Ayumi Koshiishi was at the W75 Nonthaburi, 08-01-2025, Round: R1, Surface: Hard, with Ayumi Koshiishi getting the victory 6-2 4-6 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:59:59.
Opponent quality stats: Over the last 12 months, Eudice Wong Chong has played against opponents with an average rank of 433.83 while Ayumi Koshiishi has played against players with an average rank of 417.59.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Eudice Wong Chong has won 36% of deciding sets over the last 12 months, while Ayumi Koshiishi has won 63% in all matches played on tour.
Break point conversion: In recent form, Eudice Wong Chong has converted 36.63% of breakpoint opportunities, and Ayumi Koshiishi has converted 38.50% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Eudice Wong Chong vs Ayumi Koshiishi Editorial Preview By TennisTipster88.

E. W. Chong vs A. Koshiishi H2H Stats Used In Our Predictions

E. W. Chong	Stats	A. Koshiishi
1	H2H Matches Won	1
3	Sets Won	2
24	Games Won	21
0	Aces (Total)	2
4	Total Double Faults	8
1:59:59	Average Match Time	1:59:59
62% (97/156)	1st Serve %	64% (101/159)
54% (52/97)	1st Serve Win %	45% (45/101)
32% (19/59)	2nd Serve Win %	41% (24/58)
62% (16/26)	Break Pts Won %	50% (14/28)
57% (90/159)	Return Points Win %	54% (85/156)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
0% (0/1)	Deciding Set Win %	100% (1/1)
100% (1/1)	1st Set Won, Won Match	100% (1/1)
0% (0/1)	1st Set Won, Lost Match	0% (0/1)
0% (0/1)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

E. W. Chong Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Hong Kong Tennis Open - Hong Kong - 27-10-2025
R2 Himeno SakatsumeH. Sakatsume	L	6-2 6-1	Stats
R1 Suzan LamensS. Lamens	W	6-3 6-4	Stats
Huzhou Open - Huzhou - 08-09-2025
Q1 Jessica PieriJ. Pieri	L	6-0 7-6(5)	Stats
WTA Changsha Open - Changsha - 01-09-2025
Q1 Ekaterina ReyngoldE. Reyngold	L	6-4 6-1	Stats
W100 Gran Canaria-Maspalomas - 28-07-2025
R1 Jessica BertoldoJ. Bertoldo	L	6-1 5-7 7-6(5)	Stats

View All

A. Koshiishi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W75 Sydney - 17-11-2025
Q3 Ya-Yi YangY. Yang	L	6-3 6-4	Stats
Q1 Giselle Isabella GuillenG. Isabella	W	6-0 6-2	Stats
W50 Brisbane - 10-11-2025
QF Sijia WeiS. Wei	L	6-1 6-2	Stats
R2 Arina VaraksinaA. Varaksina	W	6-2 7-6(5)	Stats
R1 Petra HuleP. Hule	W	6-3 6-2	Stats

View All

E. W. Chong vs A. Koshiishi Stats Breakdown Vs All H2H Opponents

E. W. Chong	Stats	A. Koshiishi
56.41% (242/187)	YTD Win/Loss	62.03% (294/180)
55.12% (554/451)	Sets Win/Loss	60.59% (638/415)
51.69% (4792/4479)	Games Win/Loss	54.90% (5126/4211)
57.98% (207/150)	Hard Win/Loss	63.51% (221/127)
48.48% (16/17)	Clay Win/Loss	63.41% (26/15)
48.72% (19/20)	Indoor Hard W/L	55.29% (47/38)
0.08	Aces Per Game	0.18
341	Aces Total	830
0.24	Double Faults Per Game	0.29
1110	Total Double Faults	1339
1:30:47	Average Match Time	1:15:56
520.45	Average Opponent Rank	510.19
66% (16417/24935)	1st Serve %	60% (13743/22857)
60% (9821/16417)	1st Serve Win %	61% (8447/13743)
45% (3855/8518)	2nd Serve Win %	45% (4109/9113)
48% (1612/3353)	Break Points Won % (Total)	50% (1543/3102)
47% (12154/25790)	Return Points Win %	48% (10864/22690)
0.00% (0/1)	Slam W/L	0% (0/0)
25.00% (1/3)	Cups W/L	0% (0/0)
30.77% (4/9)	Main Tour W/L	0% (0/0)
57.63% (170/125)	Challenger W/L	52.77% (143/128)
57.76% (67/49)	Futures W/L	74.38% (151/52)
56% (238/422)	Best of 3 Sets Win %	62% (287/464)
67% (2/3)	Best of 5 Sets Win %	100% (2/2)
60% (50/83)	Tiebreaks Win % (Total)	58% (46/79)
52% (77/148)	Deciding Set Win %	50% (56/111)
84% (232/194)	1st Set Won, Won Match	90% (294/264)
16% (232/38)	1st Set Won, Lost Match	10% (294/29)
24% (197/48)	1st Set Lost, Won Match	17% (180/30)