Prediction of Dabin Oh vs Ayumi Koshiishi Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Oh vs A. Koshiishi

Dabin Oh

KOR

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

462

Best Rank

367

Total Titles

YTD Titles

Career Money

Plays

Ayumi Koshiishi

JPN

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

462

Best Rank

367

Total Titles

YTD Titles

Career Money

Plays

Head-to-head: Oh 1 - 0 Koshiishi

They have played 3 sets in total, with Dabin Oh winning 2 and Ayumi Koshiishi winning 1. The last match between Dabin Oh and Ayumi Koshiishi was at the W25 Changwon, 14-05-2019, Round: Q3, Surface: Hard, with Dabin Oh getting the victory 3-6 6-3 10-5.

Players	Head To Head Match Wins
Oh	1
Koshiishi	0

Last 1 H2H Matches:

(Q3) W25 Changwon(05-14-19)

Stats

Dabin Oh

Ayumi Koshiishi

D. Oh vs A. Koshiishi H2H Profile

D. Oh	Stats	A. Koshiishi
$0	Career Prize Money	$0
40.86% (38-55)	Career Total W/L	62.18% (291-177)
1	Hard	0
0	Titles	8
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

D. Oh vs A. Koshiishi Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dabin Oh has won 0% 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 Dabin Oh, in recent form, has won 0% of their opponent's second serve points, while Ayumi Koshiishi has won 49.28%. The same stats for first serve returns are 0% and 35.30% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Dabin Oh has saved 0% 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 Dabin Oh has won 0% of matches played (W/L 0/0), with Ayumi Koshiishi winning 50.00% (W/L 31/31) that gives us an overall head-to head prediction overview.
Best surface: Dabin Oh has their best career surface win % on I.hard, winning 50% (W/L 2/2), and worse career win % on Hard, winning 40% (W/L 36/53). Ayumi Koshiishi has their best career surface win % on Hard, winning 50% (W/L 218/125), and worse career win % on I.hard, winning 56% (W/L 24/19).
Player level: In the last year, Dabin Oh has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Ayumi Koshiishi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 50.00% of matches (W/L 31/31). 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 Dabin Oh winning 1 times and Ayumi Koshiishi being victorious 0 times. They have played 3 sets in total, with Dabin Oh winning 2 and Ayumi Koshiishi winning 1.
The last match between Dabin Oh and Ayumi Koshiishi was at the W25 Changwon, 14-05-2019, Round: Q3, Surface: Hard, with Dabin Oh getting the victory 3-6 6-3 10-5.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:19:0.
Opponent quality stats: Over the last 12 months, Dabin Oh has played against opponents with an average rank of 0 while Ayumi Koshiishi has played against players with an average rank of 434.6.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Dabin Oh has won 0% of deciding sets over the last 12 months, while Ayumi Koshiishi has won 67% in all matches played on tour.
Break point conversion: In recent form, Dabin Oh has converted 0% 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.

Dabin Oh vs Ayumi Koshiishi Editorial Preview By TennisTipster88.

D. Oh vs A. Koshiishi H2H Stats Used In Our Predictions

D. Oh	Stats	A. Koshiishi
1	H2H Matches Won	0
2	Sets Won	1
19	Games Won	14
1	Aces (Total)	2
5	Total Double Faults	3
2:19:0	Average Match Time	2:19:0
76% (56/74)	1st Serve %	58% (40/69)
63% (35/56)	1st Serve Win %	55% (22/40)
22% (4/18)	2nd Serve Win %	38% (11/29)
56% (5/9)	Break Pts Won %	50% (5/10)
52% (36/69)	Return Points Win %	47% (35/74)
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

D. Oh Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W25 Incheon - 06-06-2022
Q3 Han HyeongjuH. Hyeongju	L	1-6 7-6(2) 10-8	Stats
Q2 Hyeyeong LimH. Lim	W	1-6 6-2 10-4	Stats
W25 Changwon - 30-05-2022
Q2 Eunji OhE. Oh	L	6-4 7-6(1)	Stats
W15 Yeongwol - 02-09-2019
R1 Amber MarshallA. Marshall	L	7-6(6) 7-5	Stats
W15 Yeongwol - 26-08-2019
R1 Man Ying Maggie NgM. Ying	L	6-2 6-1	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

D. Oh vs A. Koshiishi Stats Breakdown Vs All H2H Opponents

D. Oh	Stats	A. Koshiishi
40.86% (38/55)	YTD Win/Loss	62.18% (291/177)
42.00% (84/116)	Sets Win/Loss	60.67% (631/409)
46.36% (808/935)	Games Win/Loss	54.93% (5068/4158)
40.45% (36/53)	Hard Win/Loss	63.56% (218/125)
0% (0/0)	Clay Win/Loss	63.41% (26/15)
50.00% (2/2)	Indoor Hard W/L	55.95% (47/37)
0.01	Aces Per Game	0.18
11	Aces Total	823
0.1	Double Faults Per Game	0.29
81	Total Double Faults	1324
1st Match	Average Match Time	1:15:44
235.86	Average Opponent Rank	513.39
67% (737/1105)	1st Serve %	60% (13486/22462)
54% (399/737)	1st Serve Win %	62% (8298/13486)
38% (140/368)	2nd Serve Win %	45% (4050/8975)
50% (80/161)	Break Points Won % (Total)	50% (1521/3060)
48% (568/1178)	Return Points Win %	48% (10708/22354)
37.93% (11/18)	Challenger W/L	52.83% (140/125)
42.19% (27/37)	Futures W/L	74.38% (151/52)
38% (34/89)	Best of 3 Sets Win %	62% (284/458)
0% (0/0)	Best of 5 Sets Win %	100% (2/2)
15% (2/13)	Tiebreaks Win % (Total)	58% (45/78)
33% (6/18)	Deciding Set Win %	51% (56/110)
86% (42/36)	1st Set Won, Won Match	90% (290/261)
14% (42/6)	1st Set Won, Lost Match	10% (290/28)
4% (51/2)	1st Set Lost, Won Match	17% (178/30)