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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
H. Kaji vs N. Siedliska

Haruka Kaji

JPN

0

Win

Played

1

Win

Age

Height

267

C. Rank

855

213

Best Rank

487

Total Titles

YTD Titles

$50.3K

Career Money

Plays

Natalia Siedliska

POL

0

Win

Played

1

Win

Age

Height

267

C. Rank

855

213

Best Rank

487

Total Titles

YTD Titles

$50.3K

Career Money

Plays

Head-to-head: Kaji 0 - 1 Siedliska

They have played 3 sets in total, with Haruka Kaji winning 1 and Natalia Siedliska winning 2. 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
Kaji	0
Siedliska	1

Last 1 H2H Matches:

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

Stats

Natalia Siedliska

Haruka Kaji

H. Kaji vs N. Siedliska H2H Profile

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

H. Kaji vs N. Siedliska Match Preview:

Second serve performance recent form: In recent form (last 6 months), Haruka Kaji has won 37.76% of points on their second serve, while Natalia Siedliska has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Haruka Kaji, in recent form, has won 53.01% of their opponent's second serve points, while Natalia Siedliska has won 0%. The same stats for first serve returns are 35.88% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Haruka Kaji has saved 44.44% of breakpoints in recent form, whereas Natalia Siedliska has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Haruka Kaji has won 51.52% of matches played (W/L 34/32), with Natalia Siedliska winning 75.00% (W/L 3/1) that gives us an overall head-to head prediction overview.
Best surface: Haruka Kaji has their best career surface win % on I.hard, winning 56% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17). Natalia Siedliska has their best career surface win % on I.hard, winning 56% (W/L 10/7), and worse career win % on Grass, winning 0% (W/L 0/1).
Player level: In the last year, Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 54.10% of matches (W/L 33/28), where as Natalia Siedliska has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 75.00% of matches (W/L 3/1). 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 Haruka Kaji winning 0 times and Natalia Siedliska being victorious 1 times. They have played 3 sets in total, with Haruka Kaji winning 1 and Natalia Siedliska winning 2.
The last match between Haruka Kaji and Natalia Siedliska 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, Haruka Kaji has played against opponents with an average rank of 357.61 while Natalia Siedliska has played against players with an average rank of 372.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Haruka Kaji has won 45% of deciding sets over the last 12 months, while Natalia Siedliska has won 100% in all matches played on tour.
Break point conversion: In recent form, Haruka Kaji has converted 42.57% of breakpoint opportunities, and Natalia Siedliska has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Haruka Kaji vs Natalia Siedliska Editorial Preview By TennisTipster88.

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

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

Recent Performance Stats

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 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 vs N. Siedliska Stats Breakdown Vs All H2H Opponents

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