Natalia Siedliska vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
N. Siedliska vs H. Kaji

Natalia Siedliska

POL

1

Win

Played

0

Win

Age

Height

855

C. Rank

267

487

Best Rank

213

Total Titles

YTD Titles

Career Money

$50.3K

Plays

Haruka Kaji

JPN

1

Win

Played

0

Win

Age

Height

855

C. Rank

267

487

Best Rank

213

Total Titles

YTD Titles

Career Money

$50.3K

Plays

Head-to-head: Siedliska 1 - 0 Kaji

They have played 3 sets in total, with Natalia Siedliska winning 2 and Haruka Kaji winning 1. The last match between Natalia Siedliska and Haruka Kaji was at the W25 Danderyd, 11-08-2022, Round: R2, Surface: Clay, with Natalia Siedliska getting the victory 6-1 5-7 6-3.

Players	Head To Head Match Wins
Siedliska	1
Kaji	0

Last 1 H2H Matches:

(R2) W25 Danderyd(08-11-22)

Stats

Natalia Siedliska

Haruka Kaji

N. Siedliska vs H. Kaji H2H Profile

N. Siedliska	Stats	H. Kaji
$0	Career Prize Money	$50,325
56.92% (259-196)	Career Total W/L	55.83% (321-254)
1	Clay	0
4	Titles	7
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

N. Siedliska vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Natalia Siedliska has won 0% of points on their second serve, while Haruka Kaji has won 37.76%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Natalia Siedliska, in recent form, has won 0% of their opponent's second serve points, while Haruka Kaji has won 53.01%. The same stats for first serve returns are 0% and 35.88% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Natalia Siedliska has saved 0% of breakpoints in recent form, whereas Haruka Kaji has saved 44.44% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Natalia Siedliska has won 75.00% of matches played (W/L 3/1), with Haruka Kaji winning 50.75% (W/L 34/33) that gives us an overall head-to head prediction overview.
Best surface: Natalia Siedliska has their best career surface win % on I.hard, winning 59% (W/L 10/7), and worse career win % on Grass, winning 0% (W/L 0/1). Haruka Kaji has their best career surface win % on I.hard, winning 59% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Natalia Siedliska has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 75.00% of matches (W/L 3/1), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 53.23% of matches (W/L 33/29). 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 Natalia Siedliska winning 1 times and Haruka Kaji being victorious 0 times. They have played 3 sets in total, with Natalia Siedliska winning 2 and Haruka Kaji winning 1.
The last match between Natalia Siedliska and Haruka Kaji was at the W25 Danderyd, 11-08-2022, Round: R2, Surface: Clay, with Natalia Siedliska getting the victory 6-1 5-7 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:6:0.
Opponent quality stats: Over the last 12 months, Natalia Siedliska has played against opponents with an average rank of 372 while Haruka Kaji has played against players with an average rank of 358.19.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Natalia Siedliska has won 100% of deciding sets over the last 12 months, while Haruka Kaji has won 42% in all matches played on tour.
Break point conversion: In recent form, Natalia Siedliska has converted 0% of breakpoint opportunities, and Haruka Kaji has converted 42.57% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Natalia Siedliska vs Haruka Kaji Editorial Preview By TennisTipster88.

N. Siedliska vs H. Kaji H2H Stats Used In Our Predictions

N. Siedliska	Stats	H. Kaji
1	H2H Matches Won	0
2	Sets Won	1
17	Games Won	11
3	Aces (Total)	0
7	Total Double Faults	2
2:6:0	Average Match Time	2:6:0
61% (51/84)	1st Serve %	72% (60/83)
65% (33/51)	1st Serve Win %	55% (33/60)
58% (19/33)	2nd Serve Win %	43% (10/23)
64% (7/11)	Break Pts Won %	50% (4/8)
48% (40/83)	Return Points Win %	38% (32/84)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set 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

N. Siedliska Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Antalya - 06-01-2025
R2 Ilay YorukI. Yoruk	L	6-3 6-1	Stats
R1 Sandugash KenzhibayevaS. Kenzhibayeva	W	6-2 6-2	Stats
Q3 Anastasiya KrymkovaA. Krymkova	W	5-7 6-2 10-1	Stats
Q2 Mija LjubicM. Ljubic	W	6-2 6-0	Stats
W15 Monastir - 11-11-2024
R1 Ela Nala MilicE. Nala	L	6-3 6-2	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Funchal - 10-11-2025
R2 Margaux RouvroyM. Rouvroy	L	6-3 7-6(2)	Stats
R1 Madelief HagemanM. Hageman	W	6-2 6-1	Stats
W35 Faro - 03-11-2025
R2 Melisa ErcanM. Ercan	L	6-2 6-4	Stats
R1 Lea NilssonL. Nilsson	W	7-6(1) 6-1	Stats
Hong Kong Tennis Open - Hong Kong - 27-10-2025
Q3 Kristiana SidorovaK. Sidorova	L	6-1 6-2	Stats

View All

N. Siedliska vs H. Kaji Stats Breakdown Vs All H2H Opponents

N. Siedliska	Stats	H. Kaji
56.92% (259/196)	YTD Win/Loss	55.83% (321/254)
56.55% (570/438)	Sets Win/Loss	53.30% (695/609)
53.64% (4777/4129)	Games Win/Loss	50.93% (6006/5786)
53.73% (72/62)	Hard Win/Loss	56.06% (236/185)
57.25% (154/115)	Clay Win/Loss	46.88% (15/17)
64.71% (33/18)	Indoor Hard W/L	58.33% (56/40)
0.00% (0/1)	Grass Win/Loss	53.85% (14/12)
0.06	Aces Per Game	0.08
257	Aces Total	445
0.21	Double Faults Per Game	0.2
890	Total Double Faults	1169
1st Match	Average Match Time	1:22:7
539.43	Average Opponent Rank	528.5
63% (9365/14956)	1st Serve %	65% (19650/30345)
59% (5480/9365)	1st Serve Win %	59% (11510/19650)
43% (2397/5590)	2nd Serve Win %	46% (4904/10696)
52% (1164/2247)	Break Points Won % (Total)	49% (1900/3872)
50% (7665/15327)	Return Points Win %	46% (14113/30373)
0% (0/0)	Slam W/L	33.33% (1/2)
0% (0/0)	Main Tour W/L	14.29% (2/12)
45.79% (49/58)	Challenger W/L	55.43% (255/205)
60.34% (210/138)	Futures W/L	64.29% (63/35)
59% (256/436)	Best of 3 Sets Win %	55% (310/563)
0% (0/2)	Best of 5 Sets Win %	67% (2/3)
54% (38/71)	Tiebreaks Win % (Total)	56% (60/108)
54% (61/113)	Deciding Set Win %	60% (99/164)
86% (259/224)	1st Set Won, Won Match	87% (299/259)
14% (259/35)	1st Set Won, Lost Match	13% (299/39)
18% (196/35)	1st Set Lost, Won Match	20% (274/56)