Prediction of Mari Osaka vs Kayla Day Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
M. Osaka vs K. Day

Mari Osaka

JPN

1

Win

Played

1

Win

Age

Height

1.73m

Ret.

C. Rank

256

280

Best Rank

Total Titles

YTD Titles

$4.1K

Career Money

$561.1K

Plays

Left-handed (Two-handed backhand)

Kayla Day

USA

1

Win

Played

1

Win

Age

Height

1.73m

Ret.

C. Rank

256

280

Best Rank

Total Titles

YTD Titles

$4.1K

Career Money

$561.1K

Plays

Left-handed (Two-handed backhand)

Head-to-head: Osaka 1 - 1 Day

They have played 5 sets in total, with Mari Osaka winning 3 and Kayla Day winning 2. The last match between Mari Osaka and Kayla Day was at the W25 Pelham, 10-04-2019, Round: R1, Surface: Clay, with Mari Osaka getting the victory 6-3 6-4.

Players	Head To Head Match Wins
Osaka	1
Day	1

Last 2 H2H Matches:

(R1) W25 Pelham(04-10-19)

Stats

Mari Osaka

Kayla Day

(R1) Rancho Santa Fe(02-23-15)

Stats

Kayla Day

Mari Osaka

M. Osaka vs K. Day H2H Profile

M. Osaka	Stats	K. Day
$4,060	Career Prize Money	$561,063
55.93% (217-171)	Career Total W/L	56.47% (262-202)
1	Clay	0
0	Hard	1
0	Titles	7
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

M. Osaka vs K. Day Match Preview:

Second serve performance recent form: In recent form (last 6 months), Mari Osaka has won 0% of points on their second serve, while Kayla Day has won 40.89%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Mari Osaka, in recent form, has won 0% of their opponent's second serve points, while Kayla Day has won 49.24%. The same stats for first serve returns are 0% and 29.76% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Mari Osaka has saved 0% of breakpoints in recent form, whereas Kayla Day has saved 43.47% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Mari Osaka has won 0% of matches played (W/L 0/0), with Kayla Day winning 63.27% (W/L 31/18) that gives us an overall head-to head prediction overview.
Best surface: Mari Osaka has their best career surface win % on Clay, winning 57% (W/L 86/65), and worse career win % on Grass, winning 33% (W/L 1/2). Kayla Day has their best career surface win % on Clay, winning 57% (W/L 87/59), and worse career win % on Grass, winning 27% (W/L 3/8).
Player level: In the last year, Mari Osaka has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Kayla Day has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.29% of matches (W/L 27/15). 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 Mari Osaka winning 1 times and Kayla Day being victorious 1 times. They have played 5 sets in total, with Mari Osaka winning 3 and Kayla Day winning 2.
The last match between Mari Osaka and Kayla Day was at the W25 Pelham, 10-04-2019, Round: R1, Surface: Clay, with Mari Osaka getting the victory 6-3 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:49:30.
Opponent quality stats: Over the last 12 months, Mari Osaka has played against opponents with an average rank of 0 while Kayla Day has played against players with an average rank of 316.06.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Mari Osaka has won 0% of deciding sets over the last 12 months, while Kayla Day has won 53% in all matches played on tour.
Break point conversion: In recent form, Mari Osaka has converted 0% of breakpoint opportunities, and Kayla Day has converted 34.48% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Mari Osaka vs Kayla Day Editorial Preview By TennisTipster88.

M. Osaka vs K. Day H2H Stats Used In Our Predictions

M. Osaka	Stats	K. Day
1	H2H Matches Won	1
3	Sets Won	2
22	Games Won	23
2	Aces (Total)	0
2	Total Double Faults	2
0:49:30	Average Match Time	0:49:30
75% (39/52)	1st Serve %	65% (45/69)
59% (23/39)	1st Serve Win %	47% (21/45)
62% (8/13)	2nd Serve Win %	42% (10/24)
50% (6/12)	Break Pts Won %	43% (3/7)
55% (38/69)	Return Points Win %	40% (21/52)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
0% (0/1)	Deciding Set Win %	100% (1/1)
50% (1/2)	1st Set Won, Won Match	0% (0/0)
50% (1/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	50% (1/2)

Recent Performance Stats

M. Osaka Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W60 Rome - 25-01-2021
Q1 Sarah HamnerS. Hamner	L	7-6(3) 6-4	Stats
W25+H Irapuato - 09-03-2020
R2 Nadia PodoroskaN. Podoroska	L	6-0 6-4	Stats
R1 Georgina Garcia-PerezG. Garcia-Perez	W	7-5 7-6(4)	Stats
W25 Rancho Santa Fe - 24-02-2020
R1 Rebecca SramkovaR. Sramkova	L	6-2 6-4	Stats
Q3 Emina BektasE. Bektas	W	6-1 3-6 10-6	Stats

View All

K. Day Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Austin - 10-11-2025
QF Ekaterina KhayrutdinovaE. Khayrutdinova	L	6-4 6-4	Stats
R2 Gina FeistelG. Feistel	W	6-4 3-6 7-5	Stats
R1 Carolyn AnsariC. Ansari	W	6-2 6-3	Stats
W75 Toronto - 27-10-2025
R1 Fiona CrawleyF. Crawley	L	6-1 6-2	Stats
W100 Tyler - 20-10-2025
QF Olivia GadeckiO. Gadecki	L	7-6(4) 3-6 6-3	Stats

View All

M. Osaka vs K. Day Stats Breakdown Vs All H2H Opponents

M. Osaka	Stats	K. Day
55.93% (217/171)	YTD Win/Loss	56.47% (262/202)
55.26% (483/391)	Sets Win/Loss	55.48% (597/479)
53.11% (4197/3705)	Games Win/Loss	52.37% (5217/4745)
56.12% (110/86)	Hard Win/Loss	56.64% (162/124)
56.95% (86/65)	Clay Win/Loss	59.59% (87/59)
52.63% (20/18)	Indoor Hard W/L	47.62% (10/11)
33.33% (1/2)	Grass Win/Loss	27.27% (3/8)
0.07	Aces Per Game	0.22
252	Aces Total	1096
0.13	Double Faults Per Game	0.36
508	Total Double Faults	1749
1st Match	Average Match Time	1:35:22
572.88	Average Opponent Rank	452.15
63% (6841/10870)	1st Serve %	60% (16889/28136)
61% (4139/6841)	1st Serve Win %	65% (10965/16889)
46% (1866/4028)	2nd Serve Win %	46% (5156/11246)
48% (683/1434)	Break Points Won % (Total)	46% (1616/3499)
47% (5075/10906)	Return Points Win %	44% (12910/29070)
0% (0/0)	Slam W/L	40.63% (13/19)
0.00% (0/1)	Masters W/L	42.11% (8/11)
12.50% (1/7)	Main Tour W/L	37.21% (16/27)
56.72% (190/145)	Challenger W/L	60.50% (219/143)
59.09% (26/18)	Futures W/L	75.00% (6/2)
56% (215/383)	Best of 3 Sets Win %	57% (258/455)
0% (0/1)	Best of 5 Sets Win %	75% (3/4)
52% (40/77)	Tiebreaks Win % (Total)	48% (47/98)
51% (52/102)	Deciding Set Win %	51% (76/149)
87% (217/188)	1st Set Won, Won Match	84% (270/227)
13% (217/28)	1st Set Won, Lost Match	16% (270/43)
18% (171/30)	1st Set Lost, Won Match	18% (194/34)