Marta Kostyuk and Diane Parry will clash against each other in the 3^rd round of the U.S. Open for the 3^rd time in their career. They are scheduled to compete on Saturday at 1:00 pm on Court 5. 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 Marta Kostyuk who should win in 2 sets.

As per the initial odds, Marta Kostyuk is the pick to win this match.
Marta Kostyuk -> 1.3
Diane Parry -> 3.52

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Marta Kostyuk vs. Diane Parry

This will be the 3^rd time that Marta Kostyuk and Diane Parry play each other. The head to head is 2-0 for Kostyuk (see full H2H stats), 2-0 on hard.

The last time that they competed against each other, Kostyuk won 6-2 6-2 in the qualifications in Dubai back in 2022.

Marta Kostyuk

Ranked no. 28, Marta got to the 3^rd round after beating Katie Boulter 6-4 6-4 and Zeynep Sonmez 7-5 6-7(5) 6-3.

In the 2^nd round, Kostyuk defeated Sonmez (7-5 6-7⁵ 6-3). During the match, Kostyuk scored 111 points vs Sonmez’s 102. Kostyuk was quite aggressive to blast 46 winners.

Talking about the service games, Kostyuk struck 6 aces and she was not very consistent on her 2nd serve to score 13 double faults. Marta Kostyuk lost the serve 4 times and she saved 12 break points. Furthermore, Kostyuk put 55% of her first serves in, winning 75% (46/61) of the points behind her 1st serve and 41% (20/49) on the 2nd serve. Kostyuk broke Sonmez 7 times after converting 50% of her break points (7/14).

Overall Performance in this tournament

Kostyuk has surrendered 1 set in this competition to conquer 53% of the points she played.

Kostyuk has a solid match record in the last 10 years having won 62% of her matches (241-147). 16-10 on hard in 2025. Regarding her performance on the same surface of this competition, Kostyuk has an overall 131-78 match record in the last years on hard.

Marta has a composed 23-17 win-loss record in 2025, 16-10 on hard (See FULL STATS).

Previously at the U.S. Open

Diane Parry

Ranked no. 107, the French player got to the 3^rd round after beating Petra Kvitova 6-1 6-0 and Renata Zarazua 6-2 2-6 7-6(7).

In the 2^nd round, Diane defeated Zarazua (6-2 2-6 7-6⁷). During the match Parry scored 97 points vs Zarazua’s 96. Diane was very aggressive to blast 41 winners.

About the serving games, Parry fired 5 aces and she committed only 7 double faults. Diane Parry lost the serve 4 times and she saved 3 break points. Furthermore, Parry put 63% of her first serves in, winning 68% (41/60) of the points behind her 1st serve and 49% (17/35) on the 2nd serve. The French player broke Zarazua 4 times after converting 36% of her break points (4/11).

Overall Performance in this tournament

Diane has conceded 1 set in the tournament to win 56% of the points she played.

Parry has a compiled 18-17 win-loss record in 2025, 4-4 on hard (See FULL STATS).

Previously at the U.S. Open

Previously, her best result was reaching the 2^nd round in 2024. See her history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Kostyuk	Parry
Match played	2	2
Tot Set	5	5
Tot Games	54	42
Pts	184-165	149-118
Total Points	349	267
Winners	72	63
%Winners	39%	42%

Both Kostyuk and Parry played 2 matches. Both players lost a set in the event. Marta Kostyuk conceded 1 set, while Diane Parry dropped 1 set. Talking about their workload, Kostyuk and Parry have played the same amount of sets 5. However, Kostyuk played 12 games more than Parry. The Ukrainian scored 72 winners (39% of the total points). On the other side, Parry fired 63 winners (42%).

Serve Performance

Serve	Kostyuk	Parry
Aces	15	10
Avg per match	7.5	5
1st in	99/176	87/134
%1st in	56%	65%
1st pts	72/99	63/87
%1st pts	73%	72%
2nd pts	36/77	23/47
%2nd pts	47%	49%

Kostyuk managed to score 15 aces (7.5 per match). Parry recorded 10 aces (5 per match). Kostyuk won 73% points behind her first serve. She pretty effective on her second serve to win 47% of the points. On the other side, Parry won 72% of the points on her first serve. She had a solid display on her second serve to win 49% of the points.

How they played the important points

Breaks	Kostyuk	Parry
Won	11	9
Converted	11/23	9/18
% Converted	48%	50%
Conceded	26	7
Saved	20	3
% Saved	77%	43%
Times Broken	6	4

Kostyuk broke her opponents 11 times with a 48% conversion rate. The Ukrainian dropped her serve 6 times and she saved 77% of the break points that she conceded. Parry broke her opponents 9 times with a 50% conversion rate. Parry conceded her serve 4 times and she saved 43% of the break points that she conceded.

Kostyuk
	R1 Boulter	R2 Sonmez	Total
Score	6-4 6-4	7-5 6-75 6-3
Tot Set	2	3	5
Tot Games	20	34	54
pts	73-63	111-102	184-165
Total points	136	213	349
Winners	26	46	72
%Winners	36%	41%	39%
SERVE
Aces	9	6	15
Double Faults	5	13	18
1st in	38/66	61/110	99/176
% 1st in	58%	55%	56%
1st pts	26/38	46/61	72/99
% 1st pts	68%	75%	73%
2nd pts	16/28	20/49	36/77
% 2nd pts	57%	41%	47%
Breaks
Won	4	7	11
Converted	4/9	7/14	11/23
Converted %	44%	50%	48%
Conceded	10	16	26
Saved	8/10	12/16	20
Saved %	80%	75%	78%
Times Broken	2	4	6

Parry
	R1 Kvitova	R2 Zarazua	Total
Score	6-1 6-0	6-2 2-6 7-67
Tot Set	2	3	5
Tot Games	13	29	42
pts	52-22	97-96	149-118
Total points	74	193	267
Winners	22	41	63
%Winners	42%	42%	42%
SERVE
Aces	5	5	10
Double Faults	2	7	9
1st in	27/39	60/95	87/134
% 1st in	69%	63%	65%
1st pts	22/27	41/60	63/87
% 1st pts	81%	68%	72%
2nd pts	6/12	17/35	23/47
% 2nd pts	50%	49%	49%
Breaks
Won	5	4	9
Converted	5/7	4/11	9/18
Converted %	71%	36%	50%
Conceded	0	7	7
Saved	0/0	3/7	3
Saved %	–	43%	22%
Times Broken	0	4	4

Tennis Scores – U.S. Open

• Cristina BucsaBucsa – Elise MertensMertens (3-6 7-5 6-3) – Stats, scores, rankings
• Aryna SabalenkaSabalenka – Leylah Annie FernandezAnnie Fernandez (6-3 7-6²) – Stats, scores, rankings
• Elena RybakinaRybakina – Emma RaducanuRaducanu (6-1 6-2) – Stats, scores, rankings
• Barbora KrejcikovaKrejcikova – Emma NavarroNavarro (4-6 6-4 6-4) – Stats, scores, rankings
• Taylor TownsendTownsend – Mirra AndreevaAndreeva (7-5 6-2) – Stats, scores, rankings
• Marketa VondrousovaVondrousova – Jasmine PaoliniPaolini (7-6⁴ 6-1) – Stats, scores, rankings
• Jessica PegulaPegula – Victoria AzarenkaAzarenka (6-1 7-5) – Stats, scores, rankings
• Ann LiLi – Priscilla HonHon (7-5 6-3) – Stats, scores, rankings
• Dennis NovakNovak – Paul JubbJubb (6-3 6-2) – Stats, scores, rankings
• Ugo HumbertHumbert – Soon-Woo KwonKwon (6-2 7-5) – Stats, scores, rankings
• Kamil MajchrzakMajchrzak – Jiri VeselyVesely (6-3 6-3) – Stats, scores, rankings
• Marcel GranollersGranollers – Gregoire BarrereBarrere (6-2 3-6 7-5) – Stats, scores, rankings
• Dominik KoepferKoepfer – Jason JungJung (7-6⁶ 6-4) – Stats, scores, rankings
• Antoine HoangHoang – Ruben BemelmansBemelmans (6-1 6-1) – Stats, scores, rankings
• Go SoedaSoeda – Marius CopilCopil (7-6⁵ 6-3) – Stats, scores, rankings
• Lukas RosolRosol – Mikael YmerYmer (6-3 7-6⁴) – Stats, scores, rankings

Upcoming matches in the draw

• Diane ParryParry – Marta KostyukKostyuk (0-2) – H2H and prediction
• Darya KasatkinaKasatkina – Naomi OsakaOsaka (0-2) – H2H and prediction
• Magdalena FrechFrech – Cori GauffGauff (0-2) – H2H and prediction
• Amanda AnisimovaAnisimova – Jaqueline CristianCristian (0-0) – H2H and prediction
• Beatriz Haddad MaiaHaddad Maia – Maria SakkariSakkari (4-0) – H2H and prediction
• Ekaterina AlexandrovaAlexandrova – Laura SiegemundSiegemund (2-1) – H2H and prediction
• Anna KalinskayaKalinskaya – Iga SwiatekSwiatek (1-1) – H2H and prediction
• Aryna SabalenkaSabalenka – Cristina BucsaBucsa (0-0) – H2H and prediction
• Elena RybakinaRybakina – Marketa VondrousovaVondrousova (1-1) – H2H and prediction
• Jessica PegulaPegula – Ann LiLi (1-1) – H2H and prediction
• Barbora KrejcikovaKrejcikova – Taylor TownsendTownsend (1-0) – H2H and prediction