Sorana Cirstea and Katie Boulter will clash against each other in the 2^nd round of the Japan Open for the 1^st time in their career. They are scheduled to compete on Wednesday at 4:30 pm on CENTER. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Sorana Cirstea who should win in 3 sets.

As per the initial odds, Sorana Cirstea is the pick to win this match.
Sorana Cirstea -> 1.8
Katie Boulter -> 2.01

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Prediction and head to head Sorana Cirstea vs. Katie Boulter

There is no head to head record between Sorana Cirstea and Katie Boulter since this will be the first time that they will square off in the main tour.

Sorana Cirstea

Ranked no. 51, Sorana reached the 2^nd round after beating Moyuka Uchijima 2-6 6-4 6-2.

In the 1^st round against Uchijima, Cirstea recovered from a 1-set down deficit before winning (2-6 6-4 6-2). During the match, Cirstea scored 80 points vs Uchijima’s 75. The Romanian was pretty aggressive to blast 31 winners.

Regarding the service games, Cirstea scored 4 aces and she committed only 4 double faults. Sorana Cirstea lost the serve 5 times and she saved 2 break points. Furthermore, Cirstea put 58% of her first serves in, winning 70% (31/44) of the points behind her 1st serve and 34% (11/32) on the 2nd serve. Cirstea broke Uchijima 6 times after converting 50% of her break points (6/12).

Cirstea has positive match record in the last 10 years having won 55% of her matches (244-200). 22-12 on hard in 2025. In connection with her performance on the same surface of this competition, Cirstea has a composed 133-98 win-loss record in the last years on hard.

Her best result of the season was winning the title in Cleveland where she defeated Ann Li in the final 6-2 6-4.

Cirstea has a compiled 26-18 win-loss record in 2025, 22-12 on hard (See FULL STATS).

Previously in Osaka

Katie Boulter

Ranked no. 59, the Brit reached the 2^nd round after beating Linda Noskova 7-6(3) 6-3.

In the 1^st round, The Brit had a good straight sets win against Noskova (7-6³ 6-3). During the match Boulter scored 75 points vs Noskova’s 59. Boulter was extremely aggressive to blast 29 winners.

About the serving games, Boulter blasted 5 aces and she committed only 5 double faults. Katie Boulter lost the serve 4 times and she saved 4 break points. Furthermore, Boulter put 60% of her first serves in, winning 69% (29/42) of the points behind her 1st serve and 46% (13/28) on the 2nd serve. Katie broke Noskova 5 times after converting 71% of her break points (5/7).

Her best result of the current season was winning the title the Paris where she beat Chloe Paquet in the final 3-6 6-2 6-3.

Katie has a composed 20-19 win-loss record in 2025, 7-11 on hard (See FULL STATS).

H2H Performance in the tournament

Matches, sets, games and points

Points	Cirstea	Boulter
Match played	1	1
Tot Set	3	2
Tot Games	26	22
Pts	80-75	75-59
Total Points	155	134
Winners	31	29
%Winners	39%	39%

Both Cirstea and Boulter played 1 match. At the moment, Sorana Cirstea dropped 1 set while Katie Boulter hasn’t surrendered a set so far. Cirstea has played 1 set more than Boulter (3 vs 2). Therefore, Cirstea played 4 games more than Boulter. Sorana scored 31 winners (39% of the total points). On the other side, The Brit managed to score 29 winners (39%).

Serve Performance

Serve	Cirstea	Boulter
Aces	4	5
Avg per match	4	5
1st in	44/76	42/70
%1st in	58%	60%
1st pts	31/44	29/42
%1st pts	70%	69%
2nd pts	11/32	13/28
%2nd pts	34%	46%

Cirstea bagged 4 aces . Boulter made 5 aces . Cirstea won 70% points on her first serve. She extremely effective on her second serve to win 34% of the points. On the other side, Boulter won 69% of the points on her first serve. She had a solid display on her second serve to win 46% of the points.

How they played the important points

Breaks	Cirstea	Boulter
Won	6	5
Converted	6/12	5/7
% Converted	50%	71%
Conceded	7	8
Saved	2	4
% Saved	29%	50%
Times Broken	5	4

Sorana broke her opponent 6 times with a 50% conversion rate. The Romanian surrendered her serve 5 times and she saved 29% of the break points that she conceded. Katie broke her opponent 5 times with a 71% conversion rate. Katie conceded her serve 4 times and she saved 50% of the break points that she conceded.

Cirstea
	R1 Uchijima	Total
Score	2-6 6-4 6-2
Tot Set	3	3
Tot Games	26	26
pts	80-75	80-75
Total points	155	155
Winners	31	31
%Winners	39%	39%
SERVE
Aces	4	4
Double Faults	4	4
1st in	44/76	44/76
% 1st in	58%	58%
1st pts	31/44	31/44
% 1st pts	70%	70%
2nd pts	11/32	11/32
% 2nd pts	34%	34%
Breaks
Won	6	6
Converted	6/12	6/12
Converted %	50%	50%
Conceded	7	7
Saved	2/7	2
Saved %	29%	29%
Times Broken	5	5

Boulter
	R1 Noskova	Total
Score	7-63 6-3
Tot Set	2	2
Tot Games	22	22
pts	75-59	75-59
Total points	134	134
Winners	29	29
%Winners	39%	39%
SERVE
Aces	5	5
Double Faults	5	5
1st in	42/70	42/70
% 1st in	60%	60%
1st pts	29/42	29/42
% 1st pts	69%	69%
2nd pts	13/28	13/28
% 2nd pts	46%	46%
Breaks
Won	5	5
Converted	5/7	5/7
Converted %	71%	71%
Conceded	8	8
Saved	4/8	4
Saved %	50%	50%
Times Broken	4	4

Tennis Scores in Osaka

• Jozef KovalikKovalik – Pedro Martinez PorteroMartinez Portero (6-1 6-3) – Stats, scores, rankings
• Mats MoraingMoraing – Emil RuusuvuoriRuusuvuori (6-7⁴ 6-4 6-3) – Stats, scores, rankings
• Marco TrungellitiTrungelliti – Gonzalo EscobarEscobar (7-6⁸ 6-4) – Stats, scores, rankings
• Botic Van De ZandschulpVan De Zandschulp – Sebastian OfnerOfner (6-1 5-7 6-3) – Stats, scores, rankings
• Casper RuudRuud – Yannick HanfmannHanfmann (6-7⁵ 7-5 7-5) – Stats, scores, rankings
• Henri LaaksonenLaaksonen – Geoffrey BlancaneauxBlancaneaux (6-3 7-5) – Stats, scores, rankings
• Daniel AltmaierAltmaier – Oscar OtteOtte (6-3 1-0 ret.) – Stats, scores, rankings
• Johannes HaerteisHaerteis – Rudolf MollekerMolleker (3-6 7-5 6-1) – Stats, scores, rankings
• Tobias KamkeKamke – Stefano TravagliaTravaglia (6-3 7-6⁴) – Stats, scores, rankings
• Javier Barranco CosanoBarranco Cosano – Hugo DellienDellien (6-1 7-6³) – Stats, scores, rankings
• Thiago Moura MonteiroMoura Monteiro – Steven DiezDiez (6-4 6-3) – Stats, scores, rankings
• Gianluca MagerMager – Lucas MiedlerMiedler (7-5 6-3) – Stats, scores, rankings
• Pedro CachinCachin – Kimmer CoppejansCoppejans (6-0 6-1) – Stats, scores, rankings
• Kamil MajchrzakMajchrzak – Carlos TabernerTaberner (7-6² 6-3) – Stats, scores, rankings
• Attila BalazsBalazs – Elias YmerYmer (6-3 6-2) – Stats, scores, rankings
• Lukas RosolRosol – Tallon GriekspoorGriekspoor (7-5 2-6 6-3) – Stats, scores, rankings

Upcoming matches in the draw

• Elise MertensMertens – Cristina BucsaBucsa (1-2) – H2H and prediction
• Naomi OsakaOsaka – Suzan LamensLamens (1-0) – H2H and prediction
• Jaqueline CristianCristian – Jessica Bouzas ManeiroBouzas Maneiro (0-1) – H2H and prediction
• Ann LiLi – Rebecca SramkovaSramkova (2-0) – H2H and prediction
• Dalma GalfiGalfi – Leylah Annie FernandezAnnie Fernandez (0-0) – H2H and prediction
• Marie BouzkovaBouzkova – Viktorija GolubicGolubic (3-2) – H2H and prediction
• Sorana CirsteaCirstea – Katie BoulterBoulter (0-0) – H2H and prediction