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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
K. Day vs M. Osaka

Kayla Day

USA

1

Win

Played

1

Win

Age

1.73m

Height

261

C. Rank

Ret.

Best Rank

280

Total Titles

YTD Titles

$561.1K

Career Money

$4.1K

Left-handed (Two-handed backhand)

Plays

Mari Osaka

JPN

1

Win

Played

1

Win

Age

1.73m

Height

261

C. Rank

Ret.

Best Rank

280

Total Titles

YTD Titles

$561.1K

Career Money

$4.1K

Left-handed (Two-handed backhand)

Plays

Head-to-head: Day 1 - 1 Osaka

They have played 5 sets in total, with Kayla Day winning 2 and Mari Osaka winning 3. 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
Day	1
Osaka	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

K. Day vs M. Osaka H2H Profile

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

K. Day vs M. Osaka Match Preview:

Second serve performance recent form: In recent form (last 6 months), Kayla Day has won 40.06% of points on their second serve, while Mari Osaka has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Kayla Day, in recent form, has won 49.12% of their opponent's second serve points, while Mari Osaka has won 0%. The same stats for first serve returns are 30.61% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Kayla Day has saved 44.29% of breakpoints in recent form, whereas Mari Osaka has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Kayla Day has won 63.27% of matches played (W/L 31/18), with Mari Osaka winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Kayla Day has their best career surface win % on Clay, winning 60% (W/L 87/59), and worse career win % on Grass, winning 27% (W/L 3/8). Mari Osaka has their best career surface win % on Clay, winning 60% (W/L 86/65), and worse career win % on Grass, winning 33% (W/L 1/2).
Player level: In the last year, Kayla Day has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.29% of matches (W/L 27/15), where as Mari Osaka has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Kayla Day winning 1 times and Mari Osaka being victorious 1 times. They have played 5 sets in total, with Kayla Day winning 2 and Mari Osaka winning 3.
The last match between Kayla Day and Mari Osaka 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, Kayla Day has played against opponents with an average rank of 314.96 while Mari Osaka has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kayla Day has won 53% of deciding sets over the last 12 months, while Mari Osaka has won 0% in all matches played on tour.
Break point conversion: In recent form, Kayla Day has converted 35.89% of breakpoint opportunities, and Mari Osaka has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Kayla Day vs Mari Osaka Editorial Preview By TennisTipster88.

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

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

Recent Performance Stats

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 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 vs M. Osaka Stats Breakdown Vs All H2H Opponents

K. Day	Stats	M. Osaka
56.47% (262/202)	YTD Win/Loss	55.93% (217/171)
55.48% (597/479)	Sets Win/Loss	55.26% (483/391)
52.37% (5217/4745)	Games Win/Loss	53.11% (4197/3705)
56.64% (162/124)	Hard Win/Loss	56.12% (110/86)
59.59% (87/59)	Clay Win/Loss	56.95% (86/65)
47.62% (10/11)	Indoor Hard W/L	52.63% (20/18)
27.27% (3/8)	Grass Win/Loss	33.33% (1/2)
0.22	Aces Per Game	0.07
1096	Aces Total	252
0.36	Double Faults Per Game	0.13
1749	Total Double Faults	508
1:35:22	Average Match Time	1st Match
451.18	Average Opponent Rank	572.36
60% (16889/28136)	1st Serve %	63% (6841/10870)
65% (10965/16889)	1st Serve Win %	61% (4139/6841)
46% (5156/11246)	2nd Serve Win %	46% (1866/4028)
46% (1616/3499)	Break Points Won % (Total)	48% (683/1434)
44% (12910/29070)	Return Points Win %	47% (5075/10906)
40.63% (13/19)	Slam W/L	0% (0/0)
42.11% (8/11)	Masters W/L	0.00% (0/1)
37.21% (16/27)	Main Tour W/L	12.50% (1/7)
60.50% (219/143)	Challenger W/L	56.72% (190/145)
75.00% (6/2)	Futures W/L	59.09% (26/18)
57% (258/455)	Best of 3 Sets Win %	56% (215/383)
75% (3/4)	Best of 5 Sets Win %	0% (0/1)
48% (47/98)	Tiebreaks Win % (Total)	52% (40/77)
51% (76/149)	Deciding Set Win %	51% (52/102)
84% (270/227)	1st Set Won, Won Match	87% (217/188)
16% (270/43)	1st Set Won, Lost Match	13% (217/28)
18% (194/34)	1st Set Lost, Won Match	18% (171/30)