Stefanos Tsitsipas and Daniel Altmaier will face off in the 2^nd round of the U.S. Open for the 2^nd time in their career. They are scheduled to compete on Thursday at 6:00 pm on Grandstand. 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 Stefanos Tsitsipas who should win in 5 sets.

As per the initial odds, Stefanos Tsitsipas is the pick to win this match.
Stefanos Tsitsipas -> 1.46
Daniel Altmaier -> 2.72

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Prediction and head to head Stefanos Tsitsipas vs. Daniel Altmaier

This will be the 2^nd time that Stefanos Tsitsipas and Daniel Altmaier play each other. The head to head is 1-0 for Tsitsipas (see full H2H stats), but they have never played each other on hard.

The last time that they competed against each other, Tsitsipas won 6-3 6-2 6-7(2) 6-4 in the 2^nd round in at the French Open back in 2024.

Highlights Stefanos Tsitsipas vs Daniel Altmaier – French Open 29-May-2024

Stefanos Tsitsipas

Ranked no. 28, the Greek got to the 2^nd round after defeating Alexandre Muller 4-6 6-0 6-1 7-6(5).

In the 1^st round against Muller, The Greek recovered from a 1-set down deficit before winning (4-6 6-0 6-1 7-6⁵). During the match, Tsitsipas scored 125 points vs Muller’s 91. Tsitsipas was pretty aggressive to blast 52 winners.

Regarding the service games, Tsitsipas scored 16 aces and he committed only 3 double faults. Overall, Stefanos Tsitsipas was quite effective on serve to win 84% (52/62) of his 1st serve and 58% (25/43) on the second serve. However, this didn’t prevent his to concede the serve twice. Stefanos broke Muller 6 times after converting 40% of his break points (6/15).

Tsitsipas has a solid win-loss record in the last 10 years having won 68% of his matches (478-223). 11-8 on hard in 2025. Regarding his performance on the same surface of this competition, Tsitsipas has a compiled 169-90 match record in the last years on hard.

His best result of the current season was conquering the title in Dubai where he overcame Felix Auger-Aliassime in the final 6-3 6-3.

Stefanos has an overall 21-16 win-loss record in 2025, 11-8 on hard (See FULL STATS).

Previously at the U.S. Open

Daniel Altmaier

Ranked no. 56, Daniel got to the 2^nd round after defeating Hamad Medjedovic 7-5 6-7(3) 7-6(7) 6-7(5) 6-4.

In the 1^st round, Daniel had a tough win against Medjedovic to overcome his opponent only in 5 sets (7-5 6-7³ 7-6⁷ 6-7⁵ 6-4). During the match Altmaier scored 190 points vs Medjedovic’s 188. Daniel was extremely aggressive to blast 95 winners.

Talking about serving, Altmaier buried his opponent with 24 aces and he committed only 3 double faults. Daniel Altmaier lost the serve 3 times and he saved 1 break points. Furthermore, Altmaier put 65% of his first serves in, winning 81% (95/118) of the points behind his 1st serve and 48% (30/63) on the 2nd serve. The German broke Medjedovic 5 times after converting 29% of his break points (5/17).

The German’s best result of the current year was reaching the semifinal in the Turin Challenger.

The German has an overall 27-28 win-loss record in 2025, 8-13 on hard (See FULL STATS).

Previously at the U.S. Open

Previously, his best result was reaching the 2^nd round in 2023. See his history.

H2H Performance in the tournament

Matches, sets, games and points

Points	Tsitsipas	Altmaier
Match played	1	1
Tot Set	4	5
Tot Games	36	61
Pts	125-91	190-188
Total Points	216	378
Winners	52	95
%Winners	42%	50%

Both Tsitsipas and Altmaier played 1 match. Both players lost a set in the event. Stefanos Tsitsipas dropped 1 set, while Daniel Altmaier lost 2 sets. Tsitsipas has played 1 set(s) less than Altmaier (4 vs 5). Therefore, Tsitsipas played 25 games less than Altmaier. The Greek scored 52 winners (42% of the total points). On the other side, Altmaier fired 95 winners (50%).

Serve Performance

Serve	Tsitsipas	Altmaier
Aces	16	24
Avg per match	16	24
1st in	62/105	118/181
%1st in	59%	65%
1st pts	52/62	95/118
%1st pts	84%	81%
2nd pts	25/43	30/63
%2nd pts	58%	48%

Tsitsipas scored 16 aces . Altmaier bagged 24 aces . Tsitsipas won 84% points on his first serve. He had a solid display on his second serve to win 58% of the points. On the other side, Altmaier won 81% of the points behind his first serve. He had a solid display on his second serve to win 48% of the points.

How they played the important points

Breaks	Tsitsipas	Altmaier
Won	6	5
Converted	6/15	5/17
% Converted	40%	29%
Conceded	7	4
Saved	5	1
% Saved	71%	25%
Times Broken	2	3

The Greek broke his opponent 6 times with a 40% conversion rate. Stefanos conceded his serve twice and he saved 71% of the break points that he conceded. The German broke his opponent 5 times with a 29% conversion rate. Altmaier conceded his serve 3 times and he saved 25% of the break points that he conceded.

Tsitsipas
	R1 Muller	Total
Score	4-6 6-0 6-1 7-65
Tot Set	4	4
Tot Games	36	36
pts	125-91	125-91
Total points	216	216
Winners	52	52
%Winners	42%	42%
SERVE
Aces	16	16
Double Faults	3	3
1st in	62/105	62/105
% 1st in	59%	59%
1st pts	52/62	52/62
% 1st pts	84%	84%
2nd pts	25/43	25/43
% 2nd pts	58%	58%
Breaks
Won	6	6
Converted	6/15	6/15
Converted %	40%	40%
Conceded	7	7
Saved	5/7	5
Saved %	71%	71%
Times Broken	2	2

Altmaier
	R1 Medjedovic	Total
Score	7-5 6-73 7-67 6-75 6-4
Tot Set	5	5
Tot Games	61	61
pts	190-188	190-188
Total points	378	378
Winners	95	95
%Winners	50%	50%
SERVE
Aces	24	24
Double Faults	3	3
1st in	118/181	118/181
% 1st in	65%	65%
1st pts	95/118	95/118
% 1st pts	81%	81%
2nd pts	30/63	30/63
% 2nd pts	48%	48%
Breaks
Won	5	5
Converted	5/17	5/17
Converted %	29%	29%
Conceded	4	4
Saved	1/4	1
Saved %	25%	25%
Times Broken	3	3

Tennis Scores – U.S. Open

• Jiri LeheckaLehecka – Tomas Martin EtcheverryMartin Etcheverry (3-6 6-0 6-2 6-4) – Stats, scores, rankings
• Zizou BergsBergs – Jack DraperDraper (w/o) – Stats, scores, rankings
• Novak DjokovicDjokovic – Zachary SvajdaSvajda (6-7(5) 6-3 6-3 6-1) – Stats, scores, rankings
• Tomas MachacMachac – Joao FonsecaFonseca (7-6(4) 6-2 6-3) – Stats, scores, rankings
• Tomas MachacMachac – Joao FonsecaFonseca (7-6(4) 6-2 6-3) – Stats, scores, rankings

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