Sayaka Ishii vs Julia Riera Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Ishii vs J. Riera

Sayaka Ishii

JPN

1

Win

Played

0

Win

Age

Height

397

C. Rank

181

188

Best Rank

Total Titles

YTD Titles

$75.0K

Career Money

$522.5K

Plays

Julia Riera

ARG

1

Win

Played

0

Win

Age

Height

397

C. Rank

181

188

Best Rank

Total Titles

YTD Titles

$75.0K

Career Money

$522.5K

Plays

Head-to-head: Ishii 1 - 0 Riera

They have played 2 sets in total, with Sayaka Ishii winning 2 and Julia Riera winning 0. The last match between Sayaka Ishii and Julia Riera was at the W60 Rancho Santa Fe, 12-10-2023, Round: R2, Surface: Hard, with Sayaka Ishii getting the victory 6-3 6-4.

Players	Head To Head Match Wins
Ishii	1
Riera	0

Last 1 H2H Matches:

(R2) W60 Rancho Santa Fe(10-12-23)

Stats

Sayaka Ishii

Julia Riera

S. Ishii vs J. Riera H2H Profile

S. Ishii	Stats	J. Riera
$75,020	Career Prize Money	$522,455
61.58% (109-68)	Career Total W/L	62.67% (235-140)
1	Hard	0
1	Titles	7
1	Total H2H Matches	0
0.00% (0-1)	YTD Win/Loss	66.67% (10-5)

S. Ishii vs J. Riera Match Preview:

Second serve performance recent form: In recent form (last 6 months), Sayaka Ishii has won 39.79% of points on their second serve, while Julia Riera has won 40.82%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Sayaka Ishii, in recent form, has won 54.17% of their opponent's second serve points, while Julia Riera has won 52.74%. The same stats for first serve returns are 32.74% and 35.71% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Sayaka Ishii has saved 46.03% of breakpoints in recent form, whereas Julia Riera has saved 46.21% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Sayaka Ishii has won 51.52% of matches played (W/L 17/16), with Julia Riera winning 54.55% (W/L 30/25) that gives us an overall head-to head prediction overview.
Best surface: Sayaka Ishii has their best career surface win % on I.hard, winning 64% (W/L 9/5), and worse career win % on Grass, winning 50% (W/L 5/5). Julia Riera has their best career surface win % on Clay, winning 64% (W/L 183/101), and worse career win % on Grass, winning 40% (W/L 2/3).
Player level: In the last year, Sayaka Ishii has played most of their matches on the Challengers/ITF tournaments > $10K, winning 57.14% of matches (W/L 16/12), where as Julia Riera has played most of their matches on the Challengers/ITF tournaments > $10K, winning 41.94% of matches (W/L 13/18). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 1 times before with Sayaka Ishii winning 1 times and Julia Riera being victorious 0 times. They have played 2 sets in total, with Sayaka Ishii winning 2 and Julia Riera winning 0.
The last match between Sayaka Ishii and Julia Riera was at the W60 Rancho Santa Fe, 12-10-2023, Round: R2, Surface: Hard, with Sayaka Ishii getting the victory 6-3 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:26:0.
Opponent quality stats: Over the last 12 months, Sayaka Ishii has played against opponents with an average rank of 238.09 while Julia Riera has played against players with an average rank of 239.65.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Sayaka Ishii has won 90% of deciding sets over the last 12 months, while Julia Riera has won 48% in all matches played on tour.
Break point conversion: In recent form, Sayaka Ishii has converted 36.54% of breakpoint opportunities, and Julia Riera has converted 50.57% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Sayaka Ishii vs Julia Riera Editorial Preview By TennisTipster88.

S. Ishii vs J. Riera H2H Stats Used In Our Predictions

S. Ishii	Stats	J. Riera
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	7
3	Aces (Total)	0
2	Total Double Faults	4
1:26:0	Average Match Time	1:26:0
61% (33/54)	1st Serve %	50% (26/52)
73% (24/33)	1st Serve Win %	77% (20/26)
67% (14/21)	2nd Serve Win %	46% (12/26)
50% (3/6)	Break Pts Won %	33% (1/3)
38% (20/52)	Return Points Win %	30% (16/54)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

S. Ishii Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Hall of Fame Open - Newport - 07-07-2025
QF Tatjana MariaT. Maria	L	6-3 6-1	Stats
R2 Destanee AiavaD. Aiava	W	3-6 6-3 6-3	Stats
R1 Hanna ChangH. Chang	W	6-1 4-6 7-5	Stats
Wimbledon - London - 30-06-2025
Q1 Kathinka Von DeichmannK. Von	L	7-5 6-1	Stats
Lexus Ilkley Open - Ilkley - 09-06-2025
Q3 Valentina RyserV. Ryser	L	6-4 7-5	Stats

View All

J. Riera Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Argentina Open - Buenos Aires - 24-11-2025
R1 Mayar SherifM. Sherif	L	7-5 7-6(7)	Stats
LP Open by IND - Colina - 17-11-2025
R1 Leolia JeanjeanL. Jeanjean	L	6-4 3-6 6-2	Stats
Billie Jean King Cup, PO, Group C - 10-11-2025
Rubber 1 Susan BandecchiS. Bandecchi	W	6-2 6-0	Stats
Rubber 1 Viktoria HruncakovaV. Hruncakova	W	6-2 6-1	Stats
Tucuman Open - Tucuman - 03-11-2025
QF Simona WaltertS. Waltert	L	5-7 7-5 6-3	Stats

View All

S. Ishii vs J. Riera Stats Breakdown Vs All H2H Opponents

S. Ishii	Stats	J. Riera
61.58% (109/68)	YTD Win/Loss	62.67% (235/140)
57.84% (236/172)	Sets Win/Loss	59.75% (524/353)
53.41% (2015/1758)	Games Win/Loss	54.50% (4351/3632)
62.81% (76/45)	Hard Win/Loss	58.33% (49/35)
61.29% (19/12)	Clay Win/Loss	64.44% (183/101)
60.00% (9/6)	Indoor Hard W/L	50.00% (1/1)
50.00% (5/5)	Grass Win/Loss	40.00% (2/3)
0.15	Aces Per Game	0.15
285	Aces Total	584
0.39	Double Faults Per Game	0.28
709	Total Double Faults	1096
1:45:3	Average Match Time	1:26:16
410.77	Average Opponent Rank	402.67
62% (7100/11494)	1st Serve %	57% (12488/21850)
63% (4502/7100)	1st Serve Win %	62% (7777/12488)
45% (1975/4394)	2nd Serve Win %	46% (4332/9362)
49% (676/1379)	Break Points Won % (Total)	48% (1441/2980)
46% (5170/11296)	Return Points Win %	47% (10524/22258)
25.00% (1/3)	Slam W/L	60.00% (15/10)
0.00% (0/2)	Masters W/L	20.00% (1/4)
0% (0/0)	Cups W/L	89.47% (17/2)
60.00% (6/4)	Main Tour W/L	59.09% (13/9)
62.67% (94/56)	Challenger W/L	62.07% (144/88)
72.73% (8/3)	Futures W/L	62.50% (45/27)
62% (107/173)	Best of 3 Sets Win %	62% (230/369)
0% (0/2)	Best of 5 Sets Win %	100% (3/3)
50% (17/34)	Tiebreaks Win % (Total)	47% (34/72)
67% (37/55)	Deciding Set Win %	56% (71/127)
87% (98/85)	1st Set Won, Won Match	89% (212/188)
12% (98/12)	1st Set Won, Lost Match	11% (212/24)
30% (79/24)	1st Set Lost, Won Match	29% (163/47)