Novak Djokovic and Jan-Lennard Struff will play each other in the 4^th round of the U.S. Open for the 8^th time in their career. They are scheduled to play on Sunday at 7:00 pm on Arthur Ashe Stadium. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Novak Djokovic who should win in 3 sets.

As per the initial odds, Novak Djokovic is the pick to win this match.
Novak Djokovic -> 1.121
Jan-Lennard Struff -> 6.2

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Prediction and head to head Novak Djokovic vs. Jan-Lennard Struff

This will be the 8^th time that Novak Djokovic and Jan-Lennard Struff clash against each other. The head to head is 7-0 for Djokovic (see full H2H stats), 5-0 on hard.

The last time that they fought against each other, Djokovic won 6-2 6-4 in the Rubber 2 in Davis Cup, Finals, Group F back in 2021.

Novak Djokovic

Ranked no. 7, Novak reached the 4^th round after defeating Learner Tien 6-1 7-6(3) 6-2, Zachary Svajda 6-7(5) 6-3 6-3 6-1 and Cameron Norrie 6-4 6-7(4) 6-2 6-3.

In the 3^rd round, The Serbian defeated Norrie (6-4 6-7⁴ 6-2 6-3). During the match, Djokovic scored 129 points vs Norrie’s 101. The Serbian was extremely aggressive to blast 55 winners.

Talking about the service games, Djokovic recorded 18 aces and he committed only 6 double faults. Overall, Novak Djokovic was exceptionally effective on serve to win 83% (55/66) of his 1st serve and 68% (26/38) on the second serve. However, this didn’t prevent his to concede the serve once. Novak broke Norrie 5 times after converting 42% of his break points (5/12).

Overall Performance in this tournament

The Serbian has lost 2 set in this competition to win 57% of the points he played.

Djokovic has a tremendous record in the last 10 years having won 85% of his matches (467-85). 15-5 on hard in 2025. Talking about his performance on the same surface of this event, Djokovic has a compiled 202-33 record in the last years on hard.

His best result of the current year was winning the title in Geneva where he overcame Hubert Hurkacz in the final 5-7 7-6(2) 7-6(2).

Djokovic has a composed 29-9 win-loss record in 2025, 15-5 on hard (See FULL STATS).

Previously at the U.S. Open

Jan-Lennard Struff

Ranked no. 144, Struff reached the 4^th round after defeating Clement Chidekh 6-4 6-1, Taro Daniel 2-6 6-4 6-1, Arthur Cazaux 7-6(4) 6-3, Mackenzie Mcdonald 3-6 7-6(4) 6-3 6-3, Holger Rune 7-6(5) 2-6 6-3 4-6 7-5 and Frances Tiafoe 6-4 6-3 7-6(7).

In the 3^rd round, Struff had a good straight sets win against Tiafoe (6-4 6-3 7-6⁷). During the match Struff scored 107 points vs Tiafoe’s 89. Jan-Lennard was extremely aggressive to blast 46 winners.

About the serving games, Struff blasted 14 aces and he committed only 4 double faults. Jan-Lennard Struff lost the serve twice. Furthermore, Struff put 62% of his first serves in, winning 88% (46/52) of the points behind his 1st serve and 50% (16/32) on the 2nd serve. Jan-Lennard broke Tiafoe 5 times after converting 50% of his break points (5/10).

Overall Performance in this tournament

Struff started his run at this tournament from the qualifications. In the main draw, he has conceded 4 set in the tournament to win 53% of the points he played.

Jan-Lennard has a compiled 17-22 win-loss record in 2025, 7-9 on hard (See FULL STATS).

Previously at the U.S. Open

Previously, his best result was reaching the 3^rd round in 2018 and 2020. See his history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Djokovic	Struff
Match played	3	6
Tot Set	11	19
Tot Games	106	188
Pts	362-270	643-573
Total Points	632	1216
Winners	149	262
%Winners	41%	41%

Djokovic played 3 matches while Struff competed in 6 matches. Struff started his run from the qualifications while Djokovic had a direct access to the main draw. Both players lost a set in the event. Novak Djokovic conceded 2 sets, while Jan-Lennard Struff surrendered 4 sets. Djokovic has played 8 set(s) less than Struff (11 vs 19). Therefore, Djokovic played 82 games less than Struff. Novak scored 149 winners (41% of the total points). On the other side, Struff made 262 winners (41%).

Serve Performance

Serve	Djokovic	Struff
Aces	35	76
Avg per match	11.7	12.7
1st in	183/302	323/593
%1st in	61%	54%
1st pts	149/183	262/323
%1st pts	81%	81%
2nd pts	73/119	126/270
%2nd pts	61%	47%

Djokovic recorded 35 aces (11.7 per match). Struff made 76 aces (12.7 per match). Djokovic won 81% points on his first serve. He quite strong on his second serve to win 61% of the points. On the other side, Struff won 81% of the points behind his first serve. He had a solid display on his second serve to win 47% of the points.

How they played the important points

Breaks	Djokovic	Struff
Won	17	26
Converted	17/36	26/61
% Converted	47%	43%
Conceded	12	35
Saved	8	18
% Saved	67%	51%
Times Broken	4	17

Djokovic broke his opponents 17 times with a 47% conversion rate. Novak conceded his serve 4 times and he saved 67% of the break points that he conceded. Struff broke his opponents 26 times with a 43% conversion rate. The German conceded his serve 17 times and he saved 51% of the break points that he conceded.

Djokovic
	R1 Tien	R2 Svajda	R3 Norrie	Total
Score	6-1 7-63 6-2	6-75 6-3 6-3 6-1	6-4 6-74 6-2 6-3
Tot Set	3	4	4	11
Tot Games	28	38	40	106
pts	108-75	125-94	129-101	362-270
Total points	183	219	230	632
Winners	43	51	55	149
%Winners	40%	41%	43%	41%
SERVE
Aces	7	10	18	35
Double Faults	4	4	6	14
1st in	56/94	61/104	66/104	183/302
% 1st in	60%	59%	63%	61%
1st pts	43/56	51/61	55/66	149/183
% 1st pts	77%	84%	83%	81%
2nd pts	18/38	29/43	26/38	73/119
% 2nd pts	47%	67%	68%	61%
Breaks
Won	6	6	5	17
Converted	6/9	6/15	5/12	17/36
Converted %	67%	40%	42%	47%
Conceded	8	3	1	12
Saved	6/8	2/3	0/1	8
Saved %	75%	67%	0%	47%
Times Broken	2	1	1	4

Struff
	Q1 Chidekh	Q2 Daniel	Q3 Cazaux	R1 Mcdonald	R2 Rune	R3 Tiafoe	Total
Score	6-4 6-1	2-6 6-4 6-1	7-64 6-3	3-6 7-64 6-3 6-3	7-65 2-6 6-3 4-6 7-5	6-4 6-3 7-67
Tot Set	2	3	2	4	5	3	19
Tot Games	17	25	22	40	52	32	188
pts	65-46	92-82	80-75	140-122	159-159	107-89	643-573
Total points	111	174	155	262	318	196	1216
Winners	22	33	30	57	74	46	262
%Winners	34%	36%	38%	41%	47%	43%	41%
SERVE
Aces	4	7	5	18	28	14	76
Double Faults	3	4	3	14	5	4	33
1st in	32/52	49/91	36/77	64/130	90/159	52/84	323/593
% 1st in	62%	54%	47%	49%	57%	62%	54%
1st pts	22/32	33/49	30/36	57/64	74/90	46/52	262/323
% 1st pts	69%	67%	83%	89%	82%	88%	81%
2nd pts	10/20	22/42	18/41	27/66	33/69	16/32	126/270
% 2nd pts	50%	52%	44%	41%	48%	50%	47%
Breaks
Won	6	4	3	5	3	5	26
Converted	6/15	4/9	3/10	5/8	3/9	5/10	26/61
Converted %	40%	44%	30%	63%	33%	50%	43%
Conceded	6	7	5	7	8	2	35
Saved	3/6	4/7	3/5	4/7	4/8	0/2	18
Saved %	50%	57%	60%	57%	50%	0%	91%
Times Broken	3	3	2	3	4	2	17

Tennis Scores – U.S. Open

• Lorenzo MusettiMusetti – Flavio CobolliCobolli (6-3 6-2 2-0 ret.) – See score progression
• Taylor FritzFritz – Jerome KymKym (7-6³ 6-7⁹ 6-4 6-4) – See score progression
• Jan-Lennard StruffStruff – Frances TiafoeTiafoe (6-4 6-3 7-6⁷) – See score progression
• Jiri LeheckaLehecka – Raphael CollignonCollignon (6-4 6-4 6-4) – See score progression
• Arthur RinderknechRinderknech – Benjamin BonziBonzi (4-6 6-3 6-3 6-2) – See score progression
• Adrian MannarinoMannarino – Ben SheltonShelton (3-6 6-3 4-6 6-4 ret.) – See score progression
• Novak DjokovicDjokovic – Cameron NorrieNorrie (6-4 6-7⁴ 6-2 6-3) – See score progression
• Carlos AlcarazAlcaraz – Luciano DarderiDarderi (6-2 6-4 6-0) – See score progression
• Tomas MachacMachac – Ugo BlanchetBlanchet (7-5 6-3 6-1) – See score progression
• Lorenzo MusettiMusetti – Flavio CobolliCobolli (6-3 6-2 2-0 ret.) – See score progression

Upcoming matches in the draw

• Jannik SinnerSinner – Denis ShapovalovShapovalov (0-1) – H2H and prediction
• Alexander BublikBublik – Tommy PaulPaul (1-5) – H2H and prediction
• Jaume Antoni Munar ClarAntoni Munar Clar – Zizou BergsBergs (0-0) – H2H and prediction
• Alexander ZverevZverev – Felix Auger AliassimeAuger Aliassime (6-2) – H2H and prediction
• Kamil MajchrzakMajchrzak – (0-0) – H2H and prediction
• Daniel AltmaierAltmaier – Alex De MinaurDe Minaur (0-1) – H2H and prediction
• Novak DjokovicDjokovic – Jan-Lennard StruffStruff (7-0) – H2H and prediction
• Tomas MachacMachac – Taylor Harry FritzHarry Fritz (0-2) – H2H and prediction
• Adrian MannarinoMannarino – Jiri LeheckaLehecka (0-0) – H2H and prediction
• Arthur RinderknechRinderknech – Carlos Alcaraz GarfiaAlcaraz Garfia (0-3) – H2H and prediction