Cori Gauff and Naomi Osaka will face off in the 4^th round of the U.S. Open for the 6^th time in their career. They are scheduled to compete on Monday at 2:30 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 Cori Gauff who should win in 3 sets.

As per the initial odds, Cori Gauff is the pick to win this match.
Cori Gauff -> 1.56
Naomi Osaka -> 2.43

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Prediction and head to head Cori Gauff vs. Naomi Osaka

This will be the 6^th time that Cori Gauff and Naomi Osaka square off. The head to head is 3-2 for Gauff (see full H2H stats), 3-2 on hard.

The last time that they played, Gauff won 3-6 6-4 ret. in the 4^th round in Beijing back in 2024.

Highlights Cori Gauff vs Naomi Osaka – Beijing 01-October-2024

Cori Gauff

Ranked no. 3, Gauff got to the 4^th round after defeating Ajla Tomljanovic 6-4 6-7(2) 7-5, Donna Vekic 7-6(5) 6-2 and Magdalena Frech 6-3 6-1.

In the 3^rd round, The American had a good straight sets win against Frech (6-3 6-1). During the match, Gauff scored 58 points vs Frech’s 35. The American was quite aggressive to blast 25 winners.

Regarding the service games, Gauff scored just 1 ace in the course of the match and she committed only 4 double faults. Cori Gauff lost the serve once and she saved 1 break points. Furthermore, Gauff put 76% of her first serves in, winning 71% (25/35) of the points behind her 1st serve and 45% (5/11) on the 2nd serve. The American broke Frech 5 times after converting 45% of her break points (5/11).

Overall Performance in this tournament

Gauff has surrendered 1 set in this tournament to conquer 55% of the points she played.

Gauff has a fantastic win-loss record in the last 9 years having won 70% of her matches (267-112). 20-7 on hard in 2025. In connection with her performance on the same surface of this event, Gauff has a composed150-65 win-loss record in the last 9 years on hard.

Her best result of the year was winning the title in Australia where she overcame Iga Swiatek in the final 6-4 6-4 and at the French Open where she overcame Aryna Sabalenka in the final 6-7(5) 6-2 6-4.

Cori has an aggregate 38-12 win-loss record in 2025, 20-7 on hard (See FULL STATS).

Previously at the U.S. Open

Naomi Osaka

Ranked no. 24, Naomi reached the 4^th round after beating Greetje Minnen 6-3 6-4, Hailey Baptiste 6-3 6-1 and Daria Kasatkina 6-0 4-6 6-3.

In the 3^rd round, Naomi defeated Kasatkina (6-0 4-6 6-3). During the match Osaka scored 83 points vs Kasatkina’s 61. Naomi was quite aggressive to blast 32 winners.

About the serving games, Osaka recorded 9 aces and she committed only 4 double faults. Naomi Osaka lost the serve 4 times and she saved 2 break points. Furthermore, Osaka put 58% of her first serves in, winning 74% (32/43) of the points behind her 1st serve and 42% (13/31) on the 2nd serve. Osaka broke Kasatkina 7 times after converting 78% of her break points (7/9).

Overall Performance in this tournament

Naomi has conceded 1 set in the tournament to win 59% of the points she played.

Her best result of the year was winning the title the Malo where she defeated Kaja Juvan in the final 6-1 7-5.

Naomi has an overall 30-12 win-loss record in 2025, 19-6 on hard (See FULL STATS).

Previously at the U.S. Open

Previously, she won this tournament twice in 2018 and 2020. See her history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Gauff	Osaka
Match played	3	3
Tot Set	7	7
Tot Games	72	60
Pts	244-201	213-149
Total Points	445	362
Winners	93	78
%Winners	38%	37%

Both Gauff and Osaka played 3 matches. Both players lost a set in the event. Cori Gauff surrendered 1 set, while Naomi Osaka lost 1 set. Talking about their workload, Gauff and Osaka have played the same amount of sets 7. However, Gauff played 12 games more than Osaka. The American scored 93 winners (38% of the total points). On the other side, The Japanese scored 78 winners (37%).

Serve Performance

Serve	Gauff	Osaka
Aces	7	20
Avg per match	2.3	6.7
1st in	139/208	110/187
%1st in	67%	59%
1st pts	93/139	78/110
%1st pts	67%	71%
2nd pts	27/69	37/77
%2nd pts	39%	48%

Gauff bagged 7 aces (2.3 per match). Osaka fired 20 aces (6.7 per match). Gauff won 67% points behind her first serve. She extremely effective on her second serve to win 39% of the points. On the other side, Osaka won 71% of the points on her first serve. She had a solid display on her second serve to win 48% of the points.

How they played the important points

Breaks	Gauff	Osaka
Won	19	18
Converted	19/34	18/23
% Converted	56%	78%
Conceded	18	16
Saved	7	8
% Saved	39%	50%
Times Broken	11	8

The American broke her opponents 19 times with a 56% conversion rate. Gauff lost her serve 11 times and she saved 39% of the break points that she conceded. The Japanese broke her opponents 18 times with a 78% conversion rate. The Japanese conceded her serve 8 times and she saved 50% of the break points that she conceded.

Gauff
	R1 Tomljanovic	R2 Vekic	R3 Frech	Total
Score	6-4 6-72 7-5	7-65 6-2	6-3 6-1
Tot Set	3	2	2	7
Tot Games	35	21	16	72
pts	118-110	68-56	58-35	244-201
Total points	228	124	93	445
Winners	41	27	25	93
%Winners	35%	40%	43%	38%
SERVE
Aces	4	2	1	7
Double Faults	10	8	4	22
1st in	62/101	42/61	35/46	139/208
% 1st in	61%	69%	76%	67%
1st pts	41/62	27/42	25/35	93/139
% 1st pts	66%	64%	71%	67%
2nd pts	17/39	5/19	5/11	27/69
% 2nd pts	44%	26%	45%	39%
Breaks
Won	8	6	5	19
Converted	8/15	6/8	5/11	19/34
Converted %	53%	75%	45%	56%
Conceded	10	6	2	18
Saved	4/10	2/6	1/2	7
Saved %	40%	33%	50%	41%
Times Broken	6	4	1	11

Osaka
	R1 Minnen	R2 Baptiste	R3 Kasatkina	Total
Score	6-3 6-4	6-3 6-1	6-0 4-6 6-3
Tot Set	2	2	3	7
Tot Games	19	16	25	60
pts	69-49	61-39	83-61	213-149
Total points	118	100	144	362
Winners	26	20	32	78
%Winners	38%	33%	39%	37%
SERVE
Aces	7	4	9	20
Double Faults	0	1	4	5
1st in	38/65	29/48	43/74	110/187
% 1st in	58%	60%	58%	59%
1st pts	26/38	20/29	32/43	78/110
% 1st pts	68%	69%	74%	71%
2nd pts	12/27	12/19	13/31	37/77
% 2nd pts	44%	63%	42%	48%
Breaks
Won	6	5	7	18
Converted	6/6	5/8	7/9	18/23
Converted %	100%	63%	78%	78%
Conceded	7	3	6	16
Saved	4/7	2/3	2/6	8
Saved %	57%	67%	33%	52%
Times Broken	3	1	4	8

Tennis Scores – U.S. Open

• Marketa VondrousovaVondrousova – Elena RybakinaRybakina (6-4 5-7 6-2) – Stats, scores, rankings
• Aryna SabalenkaSabalenka – Cristina BucsaBucsa (6-1 6-4) – Stats, scores, rankings
• Barbora KrejcikovaKrejcikova – Taylor TownsendTownsend (1-6 7-6¹³ 6-3) – Stats, scores, rankings
• Jessica PegulaPegula – Ann LiLi (6-1 6-2) – Stats, scores, rankings

Upcoming matches in the draw

• Marta KostyukKostyuk – Karolina MuchovaMuchova (0-0) – H2H and prediction
• Naomi OsakaOsaka – Cori GauffGauff (2-3) – H2H and prediction
• Amanda AnisimovaAnisimova – Beatriz Haddad MaiaHaddad Maia (2-1) – H2H and prediction
• Ekaterina AlexandrovaAlexandrova – Iga SwiatekSwiatek (2-4) – H2H and prediction
• Aryna SabalenkaSabalenka – Marketa VondrousovaVondrousova (5-4) – H2H and prediction
• Jessica PegulaPegula – Barbora KrejcikovaKrejcikova (1-2) – H2H and prediction