Diana Shnaider and Sayaka Ishii will fight against each other in the quarter of the Toray Pan Pacific Open for the 1^st time in their career. They are scheduled to compete on Friday at 5:00 pm on SHOW COURT. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Diana Shnaider who should win in 2 sets.

As per the initial odds, Diana Shnaider is the pick to win this match.
Diana Shnaider -> 1.144
Sayaka Ishii -> 5.6

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Prediction and head to head Diana Shnaider vs. Sayaka Ishii

There is no head to head record between Diana Shnaider and Sayaka Ishii since this will be the first time that they will play each other in the main tour.

Diana Shnaider

Ranked no. 16 (career-high), the Russian reached the quarter after beating Unknown Player bye and Viktoriya Tomova 6-2 6-2.

In the 2^nd round, Shnaider had a good straight sets win against Tomova (6-2 6-2). During the match, Shnaider scored 67 points vs Tomova’s 47. Diana was pretty aggressive to blast 26 winners.

Regarding the service games, Shnaider fired 2 aces and she committed only 2 double faults. Diana Shnaider lost the serve twice and she saved 1 break points. Furthermore, Shnaider put 80% of her first serves in, winning 65% (26/40) of the points behind her 1st serve and 40% (4/10) on the 2nd serve. Shnaider broke Tomova 6 times after converting 67% of her break points (6/9).

Shnaider has a solid record in the last 6 years having won 69% of her matches (144-66). 26-14 on hard in 2024. Talking about her performance on the same surface of this tournament, Shnaider has a compiled51-31 record in the last 6 years on hard.

Her best result of the season was winning the title in Hua Hin where she beat Lin Zhu in the final 6-3 2-6 6-1 and the Paris where she overcame Emma Navarro in the final 6-2 3-6 6-4 and in Bad Homburg where she defeated Donna Vekic in the final 6-3 2-6 6-3 and in Budapest where she beat Aliaksandra Sasnovich in the final 6-4 6-4.

Shnaider has a compiled 50-22 win-loss record in 2024, 26-14 on hard (See FULL STATS).

Previously in Tokyo

Diana has never competed in this tournament before.

Sayaka Ishii

Ranked no. 279, the Japanese reached the quarter after beating Sae Noguchi 6-2 6-2, Clara Tauson 1-6 7-5 7-5, Sara Saito 6-1 6-1 and Zeynep Sonmez 4-6 6-2 6-3.

In the 2^nd round against Sonmez, Ishii recovered from a 1-set down deficit before winning (4-6 6-2 6-3). During the match Ishii scored 93 points vs Sonmez’s 79. Ishii was exceptionally aggressive to blast 33 winners.

Talking about serving, Ishii couldn’t to score even 1 ace for the entire match and she committed only 9 double faults. Sayaka Ishii lost the serve 6 times and she saved 2 break points. Furthermore, Ishii put 58% of her first serves in, winning 67% (33/49) of the points behind her 1st serve and 34% (12/35) on the 2nd serve. The Japanese broke Sonmez 8 times after converting 57% of her break points (8/14).

Overall Performance in this tournament

Sayaka started her run at this tournament from the qualifications. In the main draw, she has conceded 2 set in the tournament to win 55% of the points she played.

Her best result of the current season was conquering the title the W35 Osaka where she defeated Stacey Fung in the final 6-1 3-6 6-3.

Sayaka has a compiled 46-23 win-loss record in 2024, 42-21 on hard (See FULL STATS).

Previously in Tokyo

Previously, her best result was reaching the qualifications in 2022 and 2023. See her history

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H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Shnaider	Ishii
Match played	1	4
Tot Set	2	10
Tot Games	16	88
Pts	67-47	328-273
Total Points	114	601
Winners	26	119
%Winners	39%	36%

Shnaider played 1 match while Ishii competed in 4 matches. Ishii started her run from the qualifications while Shnaider had a direct access to the main draw. At the moment, Sayaka Ishii conceded 2 sets while Diana Shnaider hasn’t lost a set so far. Shnaider has played 8 set(s) less than Ishii (2 vs 10). Therefore, Shnaider played 72 games less than Ishii. The Russian scored 26 winners (39% of the total points). On the other side, Ishii bagged 119 winners (36%).

Serve Performance

Serve	Shnaider	Ishii
Aces	2	4
Avg per match	2	1
1st in	40/50	178/295
%1st in	80%	60%
1st pts	26/40	119/178
%1st pts	65%	67%
2nd pts	4/10	58/117
%2nd pts	40%	50%

Shnaider managed to score 2 aces . Ishii bagged 4 aces (1 per match). Shnaider won 65% points behind her first serve. She had a solid display on her second serve to win 40% of the points. On the other side, Ishii won 67% of the points on her first serve. She had a solid display on her second serve to win 50% of the points.

How they played the important points

Breaks	Shnaider	Ishii
Won	6	22
Converted	6/9	22/44
% Converted	67%	50%
Conceded	3	33
Saved	1	22
% Saved	33%	67%
Times Broken	2	11

Shnaider broke her opponent 6 times with a 67% conversion rate. The Russian lost her serve twice and she saved 33% of the break points that she conceded. The Japanese broke her opponents 22 times with a 50% conversion rate. Ishii conceded her serve 11 times and she saved 67% of the break points that she conceded.

Shnaider
	R2 Tomova	Total
Score	6-2 6-2
Tot Set	2	2
Tot Games	16	16
pts	67-47	67-47
Total points	114	114
Winners	26	26
%Winners	39%	39%
SERVE
Aces	2	2
Double Faults	2	2
1st in	40/50	40/50
% 1st in	80%	80%
1st pts	26/40	26/40
% 1st pts	65%	65%
2nd pts	4/10	4/10
% 2nd pts	40%	40%
Breaks
Won	6	6
Converted	6/9	6/9
Converted %	67%	67%
Conceded	3	3
Saved	1/3	1
Saved %	33%	33%
Times Broken	2	2

Ishii
	Q1 Noguchi	Q3 Tauson	R1 Saito	R2 Sonmez	Total
Score	6-2 6-2	1-6 7-5 7-5	6-1 6-1	4-6 6-2 6-3
Tot Set	2	3	2	3	10
Tot Games	16	31	14	27	88
pts	61-35	99-107	75-52	93-79	328-273
Total points	96	206	127	172	601
Winners	19	40	27	33	119
%Winners	31%	40%	36%	35%	36%
SERVE
Aces	2	1	1	0	4
Double Faults	5	5	4	9	23
1st in	30/51	59/97	40/63	49/84	178/295
% 1st in	59%	61%	63%	58%	60%
1st pts	19/30	40/59	27/40	33/49	119/178
% 1st pts	63%	68%	68%	67%	67%
2nd pts	13/21	20/38	13/23	12/35	58/117
% 2nd pts	62%	53%	57%	34%	50%
Breaks
Won	6	3	5	8	22
Converted	6/9	3/7	5/14	8/14	22/44
Converted %	67%	43%	36%	57%	50%
Conceded	10	8	7	8	33
Saved	8/10	5/8	7/7	2/8	22
Saved %	80%	63%	100%	25%	268%
Times Broken	2	3	0	6	11

Tennis Scores in Tokyo

• Harri HeliovaaraHeliovaara – Denys KlokKlok (3-1 def.) – Stats, scores, rankings
• Alexander ZhurbinZhurbin – Ryan NijboerNijboer (6-1 6-3) – Stats, scores, rankings
• Patrik Niklas-SalminenNiklas-Salminen – Bart Van Den BergVan Den Berg (6-2 7-5) – Stats, scores, rankings
• Jelle SelsSels – Botic Van De ZandschulpVan De Zandschulp (7-5 6-4) – Stats, scores, rankings

Upcoming matches in the draw

• Qinwen ZhengZheng – Leylah Annie FernandezAnnie Fernandez (1-2) – H2H and prediction
• Sofia KeninKenin – Darya KasatkinaKasatkina (2-2) – H2H and prediction
• Katie BoulterBoulter – Bianca Vanessa AndreescuVanessa Andreescu (0-0) – H2H and prediction