Dayana Yastremska and Lois Boisson will fight against each other in the semifinal of the European Open for the 1st time in their career. They are scheduled to compete on Saturday at 4:30 pm on CENTER COURT. In the following lines you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Lois Boisson who should win in 3 sets.

As per the initial odds, Lois Boisson is the pick to win this match.
Lois Boisson -> 1.79
Dayana Yastremska -> 2.02

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Prediction and head to head Dayana Yastremska vs. Lois Boisson

There is no head to head record between Dayana Yastremska and Lois Boisson since this will be the first time that they will square off in the main tour.

Dayana Yastremska

Dayana Yastremska

28 - 15win/loss

Hard
8-7
I Hard
4-1
Clay
8-4
Grass
8-3
Rank
27
High
21
LLWLLLWLWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 32-22 12-13 8-5 4-1 8-3 0-0
2024 22-22 12-12 5-5 2-2 3-3 0-0
2023 39-29 19-13 12-9 5-4 3-3 0-0
2022 21-25 7-11 5-4 7-6 2-4 0-0
2021 7-12 3-8 2-1 2-3 0-0 0-0
See all years

Ranked no. 39, Yastremska reached the semifinal after beating Jule Niemeier 6-4 6-3, Diane Parry 6-1 6-4 and Dalma Galfi 7-6(1) 3-6 6-2.

In the quarter, Yastremska defeated Galfi (7-61 3-6 6-2). During the match, Yastremska scored 103 points vs Galfi’s 97. The Ukrainian was quite aggressive to blast 39 winners.

Regarding the service games, Yastremska wasn’t able to score even 1 ace during the encounter and she committed only 4 double faults. Dayana Yastremska lost the serve 6 times and she saved 11 break points. Furthermore, Yastremska put 60% of her first serves in, winning 65% (39/60) of the points behind her 1st serve and 38% (15/40) on the 2nd serve. Dayana broke Galfi 7 times after converting 54% of her break points (7/13).

Overall Performance in this tournament

Dayana has conceded 1 set in this event to win 54% of the points she played.

Yastremska has good match record in the last 10 years having won 59% of her matches (259-183). 8-4 on clay in 2025. Regarding her performance on the same surface of this competition, Yastremska has a compiled 86-49 record in the last years on clay.

Yastremska’s best result of the year was getting to the final in Linz and Nottingham.

The Ukrainian has a composed 28-15 win-loss record in 2025, 8-4 on clay (See FULL STATS).

Previously in Hamburg

Hamburg
Yastremska's Record

Lois Boisson

Lois Boisson

25 - 10win/loss

Clay
24-7
Grass
0-1
Rank
36
High
36
LWWLWLLWWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 30-14 3-4 26-7 1-2 0-1 0-0
2024 31-7 0-0 23-2 8-5 0-0 0-0
2023 45-24 0-0 37-16 8-8 0-0 0-0
2022 12-14 1-2 8-7 3-5 0-0 0-0
2021 22-18 5-5 16-9 1-4 0-0 0-0
See all years

Ranked no. 63 (career-high), Lois got to the semifinal after beating Julia Grabher 6-1 6-3, Tamara Korpatsch 6-4 6-7(3) 6-4 and Viktoriya Tomova 6-3 6-3.

In the quarter, Boisson had a good straight sets win against Tomova (6-3 6-3). During the match Boisson scored 56 points vs Tomova’s 41. The French player was pretty aggressive to blast 24 winners.

Talking about serving, Boisson scored 5 aces and she committed only 3 double faults. Lois Boisson lost the serve twice and she saved 3 break points. Furthermore, Boisson put 65% of her first serves in, winning 80% (24/30) of the points behind her 1st serve and 38% (6/16) on the 2nd serve. The French player broke Tomova 5 times after converting 45% of her break points (5/11).

Overall Performance in this tournament

Lois has conceded 1 set in the tournament to win 54% of the points she played.

Her best result of the current year was conquering the title the Gaudens where she overcame Tatiana Prozorova in the final 7-6(4) 6-0.

The French player has an aggregate 25-10 win-loss record in 2025, 24-7 on clay (See FULL STATS).

Hamburg
Boisson's Record

H2H Performance in the tournament (main draw)

D.Yastremska
L.Boisson
5h:16
5h:16
Time on court​
5h:25
5h:25
!
2h:21
2h:21
Last match​
1h:07
1h:07
3
3
Match played
3
3
66
66
Games Played​
67
67
7
7
Set played​​
7
7
239
239
Total points​
234
234
79.7
79.7
Avg point​
78
78
82
82
Winners
95
95
27.3
27.3
Avg Winners​
31.7
31.7
34%
34%
Ratio winners
41%
41%
-- Serve --
3
3
Aces
11
11
1
1
Avg Aces
3.7
3.7
8
8
Double Faults
10
10
2.7
2.7
Avg Double Faults
3.3
3.3
82/133
82/133
1st won total​
95/133
95/133
62%
62%
1st won %
!
71%
71%
46/100
46/100
2nd won total​
30/80
30/80
46%
46%
2nd won %
!
38%
38%
-- Break Points --
18/31
18/31
BP won
18/34
18/34
6/10.3
6/10.3
Avg BP won
6/11.3
6/11.3
!
58%
58%
Won
!
53%
53%
33
33
Conceded
21
21
11
11
Avg Conceded
7
7
12
12
Broken
9
9
4
4
Avg Broken
3
3
21
21
Saved
12
12
See Allstats

Matches, sets, games and points

Points Yastremska Boisson
Match played 3 3
Tot Set 7 7
Tot Games 66 67
Pts 239-205 234-196
Total Points 444 430
Winners 82 95
%Winners 34% 41%

Both Yastremska and Boisson played 3 matches. Both players lost a set in the event. Dayana Yastremska conceded 1 set, while Lois Boisson conceded 1 set. Talking about their workload, Yastremska and Boisson have played the same amount of sets 7. However, Yastremska played 1 game less than Boisson. The Ukrainian scored 82 winners (34% of the total points). On the other side, The French player bagged 95 winners (41%).

Serve Performance

Serve Yastremska Boisson
Aces 3 11
Avg per match 1 3.7
1st in 133/233 133/213
%1st in 57% 62%
1st pts 82/133 95/133
%1st pts 62% 71%
2nd pts 46/100 30/80
%2nd pts 46% 38%

Yastremska fired 3 aces (1 per match). Boisson fired 11 aces (3.7 per match). Yastremska won 62% points behind her first serve. She had a solid display on her second serve to win 46% of the points. On the other side, Boisson won 71% of the points behind her first serve. She had a solid display on her second serve to win 38% of the points.

How they played the important points

Breaks Yastremska Boisson
Won 18 18
Converted 18/31 18/34
% Converted 58% 53%
Conceded 33 21
Saved 21 12
% Saved 64% 57%
Times Broken 12 9

The Ukrainian broke her opponents 18 times with a 58% conversion rate. The Ukrainian conceded her serve 12 times and she saved 64% of the break points that she conceded. Boisson broke her opponents 18 times with a 53% conversion rate. Lois conceded her serve 9 times and she saved 57% of the break points that she conceded.

Yastremska
R1
Niemeier		 R2
Parry		 1/4
Galfi		 Total
Score 6-4 6-3 6-1 6-4 7-61 3-6 6-2
Tot Set 2 2 3 7
Tot Games 19 17 30 66
pts 75-65 61-43 103-97 239-205
Total points 140 104 200 444
Winners 20 23 39 82
%Winners 27% 38% 38% 34%
SERVE
Aces 3 0 0 3
Double Faults 3 1 4 8
1st in 42/77 31/56 60/100 133/233
% 1st in 55% 55% 60% 57%
1st pts 20/42 23/31 39/60 82/133
% 1st pts 48% 74% 65% 62%
2nd pts 17/35 14/25 15/40 46/100
% 2nd pts 49% 56% 38% 46%
Breaks
Won 7 4 7 18
Converted 7/12 4/6 7/13 18/31
Converted % 58% 67% 54% 58%
Conceded 14 2 17 33
Saved 9/14 1/2 11/17 21
Saved % 64% 50% 65% 60%
Times Broken 5 1 6 12
Boisson
R1
Grabher		 R2
Korpatsch		 1/4
Tomova		 Total
Score 6-1 6-3 6-4 6-73 6-4 6-3 6-3
Tot Set 2 3 2 7
Tot Games 16 33 18 67
pts 67-50 111-105 56-41 234-196
Total points 117 216 97 430
Winners 27 44 24 95
%Winners 40% 40% 43% 41%
SERVE
Aces 1 5 5 11
Double Faults 3 4 3 10
1st in 36/52 67/115 30/46 133/213
% 1st in 69% 58% 65% 62%
1st pts 27/36 44/67 24/30 95/133
% 1st pts 75% 66% 80% 71%
2nd pts 6/16 18/48 6/16 30/80
% 2nd pts 38% 38% 38% 38%
Breaks
Won 5 8 5 18
Converted 5/10 8/13 5/11 18/34
Converted % 50% 62% 45% 53%
Conceded 3 13 5 21
Saved 2/3 7/13 3/5 12
Saved % 67% 54% 60% 60%
Times Broken 1 6 2 9

Tennis Scores in Hamburg

Upcoming matches in the draw

Yastremska
More Stats
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Boisson

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