Prediction of Mari Osaka vs Valentini Grammatikopoulou Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
M. Osaka vs V. Grammatikopoulou

Mari Osaka

JPN

1

Win

Played

0

Win

Age

Height

1.64m

Ret.

C. Rank

459

280

Best Rank

143

Total Titles

YTD Titles

$4.1K

Career Money

$487.6K

Plays

Right-Handed

Valentini Grammatikopoulou

GRE

1

Win

Played

0

Win

Age

Height

1.64m

Ret.

C. Rank

459

280

Best Rank

143

Total Titles

YTD Titles

$4.1K

Career Money

$487.6K

Plays

Right-Handed

Head-to-head: Osaka 1 - 0 Grammatikopoulou

They have played 3 sets in total, with Mari Osaka winning 2 and Valentini Grammatikopoulou winning 1. The last match between Mari Osaka and Valentini Grammatikopoulou was at the Landisville, 09-08-2017, Round: R1, Surface: Hard, with Mari Osaka getting the victory 5-7 7-5 6-2.

Players	Head To Head Match Wins
Osaka	1
Grammatikopoulou	0

Last 1 H2H Matches:

(R1) Landisville(08-09-17)

Stats

Mari Osaka

Valentini Grammatikopoulou

M. Osaka vs V. Grammatikopoulou H2H Profile

M. Osaka	Stats	V. Grammatikopoulou
$4,060	Career Prize Money	$487,612
55.93% (217-171)	Career Total W/L	57.58% (452-333)
1	Hard	0
0	Titles	16
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0.00% (0-2)

M. Osaka vs V. Grammatikopoulou 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 Valentini Grammatikopoulou has won 39.21%. 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 Valentini Grammatikopoulou has won 52.04%. The same stats for first serve returns are 0% and 35.10% 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 Valentini Grammatikopoulou has saved 44.12% 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 Valentini Grammatikopoulou winning 50.00% (W/L 33/33) 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). Valentini Grammatikopoulou has their best career surface win % on Hard, winning 57% (W/L 142/91), and worse career win % on Grass, winning 29% (W/L 5/12).
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 Valentini Grammatikopoulou has played most of their matches on the Challengers/ITF tournaments > $10K, winning 47.92% of matches (W/L 23/25). 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 Mari Osaka winning 1 times and Valentini Grammatikopoulou being victorious 0 times. They have played 3 sets in total, with Mari Osaka winning 2 and Valentini Grammatikopoulou winning 1.
The last match between Mari Osaka and Valentini Grammatikopoulou was at the Landisville, 09-08-2017, Round: R1, Surface: Hard, with Mari Osaka getting the victory 5-7 7-5 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:38:0.
Opponent quality stats: Over the last 12 months, Mari Osaka has played against opponents with an average rank of 0 while Valentini Grammatikopoulou has played against players with an average rank of 361.29.
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 Valentini Grammatikopoulou has won 26% in all matches played on tour.
Break point conversion: In recent form, Mari Osaka has converted 0% of breakpoint opportunities, and Valentini Grammatikopoulou has converted 40.67% 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 Valentini Grammatikopoulou Editorial Preview By TennisTipster88.

M. Osaka vs V. Grammatikopoulou H2H Stats Used In Our Predictions

M. Osaka	Stats	V. Grammatikopoulou
1	H2H Matches Won	0
2	Sets Won	1
18	Games Won	14
2	Aces (Total)	0
1	Total Double Faults	4
2:38:0	Average Match Time	2:38:0
69% (81/118)	1st Serve %	69% (75/108)
59% (48/81)	1st Serve Win %	53% (40/75)
49% (18/37)	2nd Serve Win %	42% (14/33)
53% (8/15)	Break Pts Won %	43% (6/14)
50% (54/108)	Return Points Win %	44% (52/118)
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

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

V. Grammatikopoulou Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Liberec - 03-11-2025
R1 Mayuka AikawaM. Aikawa	L	6-2 6-4	Stats
W35 Istanbul - 27-10-2025
R2 Coco BosmanC. Bosman	L	6-4 5-7 6-4	Stats
R1 Rada ZolotarevaR. Zolotareva	W	6-2 6-4	Stats
W75 Hamburg - 20-10-2025
R2 Tessa Johanna BrockmannT. Johanna	L	6-7(3) 6-2 6-0	Stats
R1 Chelsea FontenelC. Fontenel	W	3-6 6-2 6-4	Stats

View All

M. Osaka vs V. Grammatikopoulou Stats Breakdown Vs All H2H Opponents

M. Osaka	Stats	V. Grammatikopoulou
55.93% (217/171)	YTD Win/Loss	57.58% (452/333)
55.26% (483/391)	Sets Win/Loss	55.17% (1003/815)
53.11% (4197/3705)	Games Win/Loss	51.85% (8652/8035)
56.12% (110/86)	Hard Win/Loss	60.94% (142/91)
56.95% (86/65)	Clay Win/Loss	59.34% (216/148)
52.63% (20/18)	Indoor Hard W/L	52.05% (89/82)
33.33% (1/2)	Grass Win/Loss	29.41% (5/12)
0.07	Aces Per Game	0.07
252	Aces Total	601
0.13	Double Faults Per Game	0.24
508	Total Double Faults	1995
1st Match	Average Match Time	1:12:33
572.88	Average Opponent Rank	523.04
63% (6841/10870)	1st Serve %	65% (26305/40778)
61% (4139/6841)	1st Serve Win %	59% (15553/26305)
46% (1866/4028)	2nd Serve Win %	44% (6413/14473)
48% (683/1434)	Break Points Won % (Total)	48% (2601/5422)
47% (5075/10906)	Return Points Win %	47% (19213/41051)
0% (0/0)	Slam W/L	41.03% (16/23)
0.00% (0/1)	Masters W/L	0.00% (0/1)
0% (0/0)	Cups W/L	35.71% (5/9)
12.50% (1/7)	Main Tour W/L	43.08% (28/37)
56.72% (190/145)	Challenger W/L	55.22% (254/206)
59.09% (26/18)	Futures W/L	72.33% (149/57)
56% (215/383)	Best of 3 Sets Win %	57% (442/772)
0% (0/1)	Best of 5 Sets Win %	100% (3/3)
52% (40/77)	Tiebreaks Win % (Total)	53% (88/166)
51% (52/102)	Deciding Set Win %	58% (149/256)
87% (217/188)	1st Set Won, Won Match	86% (431/372)
13% (217/28)	1st Set Won, Lost Match	13% (431/58)
18% (171/30)	1st Set Lost, Won Match	22% (354/78)