Tereza Valentova and Greetje Minnen will face off in the qualifications of the Japan Open for the 1st time in their career. They are scheduled to compete on Monday at 1:30 pm on COURT 1. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Tereza Valentova who should win in 2 sets.

As per the initial odds, Tereza Valentova is the pick to win this match.
Tereza Valentova -> 1.37
Greetje Minnen -> 2.92

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Prediction and head to head Tereza Valentova vs. Greetje Minnen

There is no head to head record between Tereza Valentova and Greetje Minnen since this will be the first time that they will square off in the main tour.

Tereza Valentova

Tereza Valentova

45 - 11win/loss

Hard
14-3
I Hard
18-4
Clay
11-3
Grass
2-1
Rank
60
High
55
LWWWWWWLLW
Year Total Hard Clay I.hard Grass Carpet
2025 49-12 18-4 11-3 18-4 2-1 0-0
2024 38-5 17-1 12-2 9-2 0-0 0-0
2023 8-4 0-1 8-3 0-0 0-0 0-0
2022 0-2 0-0 0-1 0-1 0-0 0-0
2021 2-3 0-1 0-1 0-0 0-0 2-1

Ranked no. 76, the Czech got to the qualifications after defeating Alina Charaeva 6-1 6-2.

In the qualifications, Valentova had a good straight sets win against Charaeva (6-1 6-2). During the match, Valentova scored 66 points vs Charaeva’s 44. The Czech was very aggressive to blast 24 winners.

Talking about the service games, Valentova scored 7 aces and she committed only 2 double faults. Tereza Valentova was exceptionally effective on serve to win 80% (24/30) of her 1st serve and 54% (13/24) on the second serve. This was the main reason for not conceding a single break during the match. Valentova broke Charaeva 4 times after converting 57% of her break points (4/7).

Valentova has a fantastic match record in the last 5 years having won 79% of her matches (92-25). 13-3 on hard in 2025. Regarding her performance on the same surface of this competition, Valentova has a compiled30-6 match record in the last 5 years on hard.

Her best result of the season was conquering the title the W75 Porto where she beat Nastasja Mariana Schunk in the final 6-3 6-4 and the W75 Murska Sobota where she overcame Mariam Bolkvadze in the final 1-6 6-3 6-2 and the Grado where she defeated Barbora Palicova in the final 6-2 4-6 6-1 and the Porto where she overcame Lanlana Tararudee in the final 6-4 6-2.

Valentova has an overall 44-11 win-loss record in 2025, 13-3 on hard (See FULL STATS).

Previously in Osaka

Tereza has never competed in this tournament before.

Osaka
Valentova's Record

Greetje Minnen

Greetje Minnen

36 - 19win/loss

Hard
20-13
I Hard
4-1
Clay
4-3
Grass
8-2
Rank
120
High
59
LWLWLWWWWW
Year Total Hard Clay I.hard Grass Carpet
2025 36-19 20-13 4-3 4-1 8-2 0-0
2024 26-32 18-19 2-7 0-2 6-4 0-0
2023 56-20 12-6 13-4 22-6 5-3 4-1
2022 19-21 0-9 2-4 10-4 2-4 5-0
2021 39-27 19-12 7-6 8-7 5-2 0-0

Ranked no. 118, the Belgian reached the qualifications after beating Sara Saito 7-5 6-1.

In the qualifications, Minnen had a good straight sets win against Saito (7-5 6-1). During the match Minnen scored 60 points vs Saito’s 48. Minnen was exceptionally aggressive to blast 25 winners.

About the serving games, Minnen struck 7 aces and she committed only 5 double faults. Greetje Minnen lost the serve once. Furthermore, Minnen put 56% of her first serves in, winning 81% (25/31) of the points behind her 1st serve and 46% (11/24) on the 2nd serve. Greetje broke Saito 4 times after converting 67% of her break points (4/6).

Her best result of the current year was conquering the title the Birmingham where she beat Linda Fruhvirtova in the final 6-2 6-1 and the W75 Le Neubourg where she overcame Petra Marcinko in the final 6-2 6-1.

Minnen has an overall 36-18 win-loss record in 2025, 20-12 on hard (See FULL STATS).

Previously in Osaka

Previously, her best result was reaching the 2nd round in 2024. See her history.

Osaka
Minnen's Record

H2H Performance in the tournament

T.Valentova
G.Minnen
1h:19
1h:19
Time on court​
1h:19
1h:19
1h:19
1h:19
Last match​
1h:19
1h:19
1
1
Match played
1
1
15
15
Games Played​
19
19
2
2
Set played​​
2
2
66
66
Total points​
60
60
66
66
Avg point​
60
60
24
24
Winners
25
25
24
24
Avg Winners​
25
25
36%
36%
Ratio winners
42%
42%
-- Serve --
7
7
Aces
7
7
7
7
Avg Aces
7
7
2
2
Double Faults
5
5
2
2
Avg Double Faults
5
5
24/30
24/30
1st won total​
25/31
25/31
!
80%
80%
1st won %
!
81%
81%
13/24
13/24
2nd won total​
11/24
11/24
54%
54%
2nd won %
46%
46%
-- Break Points --
4/7
4/7
BP won
4/6
4/6
4/7
4/7
Avg BP won
4/6
4/6
!
57%
57%
Won
!
67%
67%
5
5
Conceded
1
1
5
5
Avg Conceded
1
1
0
0
Broken
1
1
!
0
0
Avg Broken
1
1
5
5
Saved
0
0

Matches, sets, games and points

Points Valentova Minnen
Match played 1 1
Tot Set 2 2
Tot Games 15 19
Pts 66-44 60-48
Total Points 110 108
Winners 24 25
%Winners 36% 42%

Both Valentova and Minnen played 1 match. Also both players started their run from the qualifications.Both players have not conceded a single set in this event so far. Talking about their workload, Valentova and Minnen have played the same amount of sets 2. However, Valentova played 4 games less than Minnen. The Czech scored 24 winners (36% of the total points). On the other side, The Belgian blasted 25 winners (42%).

Serve Performance

Serve Valentova Minnen
Aces 7 7
Avg per match 7 7
1st in 30/54 31/55
%1st in 56% 56%
1st pts 24/30 25/31
%1st pts 80% 81%
2nd pts 13/24 11/24
%2nd pts 54% 46%

Valentova made 7 aces . Minnen bagged 7 aces . Valentova won 80% points behind her first serve. She pretty solid on her second serve to win 54% of the points. On the other side, Minnen won 81% of the points on her first serve. She had a solid display on her second serve to win 46% of the points.

How they played the important points

Breaks Valentova Minnen
Won 4 4
Converted 4/7 4/6
% Converted 57% 67%
Conceded 5 1
Saved 5 0
% Saved 100% 0%
Times Broken 0 1

The Czech broke her opponent 4 times with a 57% conversion rate. Tereza pretty effective on her serve as she has never conceded a single service game after saving 5 break points. Greetje broke her opponent 4 times with a 67% conversion rate. The Belgian conceded her serve once and she saved 0% of the break points that she conceded.

Valentova
Q1
Charaeva
Total
Score 6-1 6-2
Tot Set 2 2
Tot Games 15 15
pts 66-44 66-44
Total points 110 110
Winners 24 24
%Winners 36% 36%
SERVE
Aces 7 7
Double Faults 2 2
1st in 30/54 30/54
% 1st in 56% 56%
1st pts 24/30 24/30
% 1st pts 80% 80%
2nd pts 13/24 13/24
% 2nd pts 54% 54%
Breaks
Won 4 4
Converted 4/7 4/7
Converted % 57% 57%
Conceded 5 5
Saved 5/5 5
Saved % 100% 100%
Times Broken 0 0
Minnen
Q1
Saito
Total
Score 7-5 6-1
Tot Set 2 2
Tot Games 19 19
pts 60-48 60-48
Total points 108 108
Winners 25 25
%Winners 42% 42%
SERVE
Aces 7 7
Double Faults 5 5
1st in 31/55 31/55
% 1st in 56% 56%
1st pts 25/31 25/31
% 1st pts 81% 81%
2nd pts 11/24 11/24
% 2nd pts 46% 46%
Breaks
Won 4 4
Converted 4/6 4/6
Converted % 67% 67%
Conceded 1 1
Saved 0/1 0
Saved % 0% 0%
Times Broken 1 1

Tennis Scores in Osaka

Upcoming matches in the draw