Daniel Altmaier and Aleksandar Vukic will clash against each other in the 2nd round of the Japan Open Tennis Championships for the 3rd time in their career. They are scheduled to play on Friday at 11:00 am on COLOSSEUM. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Aleksandar Vukic who should win in 3 sets.

As per the initial odds, Aleksandar Vukic is the pick to win this match.
Aleksandar Vukic -> 1.88
Daniel Altmaier -> 1.92

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Prediction and head to head Daniel Altmaier vs. Aleksandar Vukic

This will be the 3rd time that Daniel Altmaier and Aleksandar Vukic fight against each other. The head to head is 1-1 (see full H2H stats), 1-0 on hard.

The last time that they competed against each other, Vukic won 6-3 7-6(1) 3-6 7-5 in the 1st round in at the Wimbledon back in 2023.

Daniel Altmaier

Daniel Altmaier

29 - 29win/loss

Hard
10-14
I Hard
5-4
Clay
13-8
Grass
1-3
Rank
46
High
46
LWWLWWLLLW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 34-35 11-16 13-8 9-8 1-3 0-0
2024 30-34 5-9 19-20 5-4 1-1 0-0
2023 32-31 8-13 21-10 2-5 1-3 0-0
2022 34-31 10-14 22-12 0-1 2-4 0-0
2021 49-27 7-3 36-20 5-2 1-2 0-0
See all years

Ranked no. 50, Daniel got to the 2nd round after defeating Denis Shapovalov 7-5 6-3.

In the 1st round, Daniel had a good straight sets win against Shapovalov (7-5 6-3). During the match, Altmaier scored 70 points vs Shapovalov’s 61. Altmaier was extremely aggressive to blast 32 winners.

Regarding the service games, Altmaier made 5 aces and he committed only 1 double fault. Overall, Daniel Altmaier was very efficient on serve to win 74% (32/43) of his 1st serve and 53% (10/19) on the second serve. However, this didn’t prevent his to concede the serve once. The German broke Shapovalov 4 times after converting 50% of his break points (4/8).

Altmaier has a solid match record in the last 10 years having won 61% of his matches (373-241). 10-14 on hard in 2025. Regarding his performance on the same surface of this event, Altmaier has a composed 125-81 match record in the last years on hard.

Daniel’s best result of the season was getting to the semifinal in the Turin Challenger.

The German has an overall 29-29 win-loss record in 2025, 10-14 on hard (See FULL STATS).

Previously in Tokyo

Tokyo
Altmaier's Record

Aleksandar Vukic

Aleksandar Vukic

23 - 31win/loss

Hard
13-17
I Hard
1-1
Clay
4-8
Grass
5-5
Rank
82
High
48
LWLWWLLWLL
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 29-38 15-20 4-8 5-5 5-5 0-0
2024 34-36 13-18 5-9 6-2 10-7 0-0
2023 48-33 34-20 9-4 1-3 4-6 0-0
2022 30-25 14-15 4-5 12-5 0-0 0-0
2021 34-26 8-5 10-11 11-7 5-3 0-0
See all years

Ranked no. 95, Vukic reached the 2nd round after defeating Aleksandar Kovacevic 6-4 6-7(4) 6-2, Rei Sakamoto 6-4 7-6(5) and Damir Dzumhur 6-4 3-6 6-3.

In the 1st round, The Australian defeated Dzumhur (6-4 3-6 6-3). During the match Vukic scored 79 points vs Dzumhur’s 75. Vukic was exceptionally aggressive to blast 34 winners.

Talking about serving, Vukic recorded 12 aces and he committed only 3 double faults. Overall, Aleksandar Vukic was pretty efficient on serve to win 85% (34/40) of his 1st serve and 55% (22/40) on the second serve. However, this didn’t prevent his to concede the serve once. Aleksandar was clinical in his return game without wasting any break point and break Dzumhur twice.

Vukic’s best result of the current season was reaching the semifinal in the Estoril Challenger.

Aleksandar has an overall 23-31 win-loss record in 2025, 13-17 on hard (See FULL STATS).

Previously in Tokyo

Previously, his best result was reaching the 1st round in 2023. See his history.

Tokyo
Vukic's Record

H2H Performance in the tournament

D.Altmaier
A.Vukic
1h:30
1h:30
Time on court​
!
5h:42
5h:42
1h:30
1h:30
Last match​
1h:50
1h:50
1
1
Match played
!
3
3
21
21
Games Played​
82
82
2
2
Set played​​
8
8
70
70
Total points​
248
248
70
70
Avg point​
82.7
82.7
32
32
Winners
110
110
32
32
Avg Winners​
36.7
36.7
46%
46%
Ratio winners
44%
44%
-- Serve --
5
5
Aces
43
43
5
5
Avg Aces
!
14.3
14.3
1
1
Double Faults
6
6
1
1
Avg Double Faults
2
2
32/43
32/43
1st won total​
110/131
110/131
!
74%
74%
1st won %
!
84%
84%
10/19
10/19
2nd won total​
63/112
63/112
53%
53%
2nd won %
56%
56%
-- Break Points --
4/8
4/8
BP won
6/9
6/9
4/8
4/8
Avg BP won
2/3
2/3
50%
50%
Won
!
67%
67%
5
5
Conceded
9
9
5
5
Avg Conceded
3
3
1
1
Broken
1
1
1
1
Avg Broken
!
0.3
0.3
4
4
Saved
8
8
See Allstats

Matches, sets, games and points

Points Altmaier Vukic
Match played 1 3
Tot Set 2 8
Tot Games 21 82
Pts 70-61 248-230
Total Points 131 478
Winners 32 110
%Winners 46% 44%

Altmaier played 1 match while Vukic competed in 3 matches. Vukic started his run from the qualifications while Altmaier had a direct access to the main draw. At the moment, Aleksandar Vukic surrendered 2 sets while Daniel Altmaier hasn’t conceded a set so far. Altmaier has played 6 set(s) less than Vukic (2 vs 8). Therefore, Altmaier played 61 games less than Vukic. Daniel scored 32 winners (46% of the total points). On the other side, Aleksandar scored 110 winners (44%).

Serve Performance

Serve Altmaier Vukic
Aces 5 43
Avg per match 5 14.3
1st in 43/62 131/243
%1st in 69% 54%
1st pts 32/43 110/131
%1st pts 74% 84%
2nd pts 10/19 63/112
%2nd pts 53% 56%

Altmaier scored 5 aces . Vukic scored 43 aces (14.3 per match). Altmaier won 74% points on his first serve. He pretty effective on his second serve to win 53% of the points. On the other side, Vukic won 84% of the points on his first serve. He had a solid display on his second serve to win 56% of the points.

How they played the important points

Breaks Altmaier Vukic
Won 4 6
Converted 4/8 6/9
% Converted 50% 67%
Conceded 5 9
Saved 4 8
% Saved 80% 89%
Times Broken 1 1

Daniel broke his opponent 4 times with a 50% conversion rate. The German surrendered his serve once and he saved 80% of the break points that he conceded. Vukic broke his opponents 6 times with a 67% conversion rate. Vukic conceded his serve once and he saved 89% of the break points that he conceded.

Altmaier
R1
Shapovalov		 Total
Score 7-5 6-3
Tot Set 2 2
Tot Games 21 21
pts 70-61 70-61
Total points 131 131
Winners 32 32
%Winners 46% 46%
SERVE
Aces 5 5
Double Faults 1 1
1st in 43/62 43/62
% 1st in 69% 69%
1st pts 32/43 32/43
% 1st pts 74% 74%
2nd pts 10/19 10/19
% 2nd pts 53% 53%
Breaks
Won 4 4
Converted 4/8 4/8
Converted % 50% 50%
Conceded 5 5
Saved 4/5 4
Saved % 80% 80%
Times Broken 1 1
Vukic
Q1
Kovacevic		 Q3
Sakamoto		 R1
Dzumhur		 Total
Score 6-4 6-74 6-2 6-4 7-65 6-4 3-6 6-3
Tot Set 3 2 3 8
Tot Games 31 23 28 82
pts 97-81 72-74 79-75 248-230
Total points 178 146 154 478
Winners 42 34 34 110
%Winners 43% 47% 43% 44%
SERVE
Aces 21 10 12 43
Double Faults 1 2 3 6
1st in 51/83 40/80 40/80 131/243
% 1st in 61% 50% 50% 54%
1st pts 42/51 34/40 34/40 110/131
% 1st pts 82% 85% 85% 84%
2nd pts 21/32 20/40 22/40 63/112
% 2nd pts 66% 50% 55% 56%
Breaks
Won 3 1 2 6
Converted 3/4 1/3 2/2 6/9
Converted % 75% 33% 100% 67%
Conceded 0 4 5 9
Saved 0/0 4/4 4/5 8
Saved % – 100% 80% 180%
Times Broken 0 0 1 1

Tennis Scores in Tokyo

Upcoming matches in the draw

Altmaier
More Stats
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Vukic

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