Siyoen Sim vs Hee Won Ju Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Sim vs H. Won Ju

Siyoen Sim

KOR

1

Win

Played

0

Win

Age

Height

C. Rank

Best Rank

Total Titles

YTD Titles

Career Money

Plays

Hee Won Ju

KOR

1

Win

Played

0

Win

Age

Height

C. Rank

Best Rank

Total Titles

YTD Titles

Career Money

Plays

Head-to-head: Sim 1 - 0 Ju

They have played 3 sets in total, with Siyoen Sim winning 2 and Hee Won Ju winning 1. The last match between Siyoen Sim and Hee Won Ju was at the W15 Yeongwol, 08-09-2025, Round: Q2, Surface: Hard, with Siyoen Sim getting the victory 3-6 6-4 10-7.

Players	Head To Head Match Wins
Sim	1
Ju	0

Last 1 H2H Matches:

(Q2) W15 Yeongwol(09-08-25)

Stats

Siyoen Sim

Hee Won Ju

S. Sim vs H. W. Ju H2H Profile

S. Sim	Stats	H. W. Ju
$0	Career Prize Money	$0
64.29% (9-5)	Career Total W/L	37.50% (3-5)
1	Hard	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

S. Sim vs H. W. Ju Match Preview:

Second serve performance recent form: In recent form (last 6 months), Siyoen Sim has won 51.61% of points on their second serve, while Hee Won Ju has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Siyoen Sim, in recent form, has won 48.94% of their opponent's second serve points, while Hee Won Ju has won 0%. The same stats for first serve returns are 31.37% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Siyoen Sim has saved 14.29% of breakpoints in recent form, whereas Hee Won Ju has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Siyoen Sim has won 64.29% of matches played (W/L 9/5), with Hee Won Ju winning 33.33% (W/L 1/2) that gives us an overall head-to head prediction overview.
Best surface: Siyoen Sim has their best career surface win % on I.hard, winning 75% (W/L 6/2), and worse career win % on Hard, winning 50% (W/L 3/3). Hee Won Ju has their best career surface win % on Hard, winning 75% (W/L 3/5), and worse career win % on Hard, winning 38% (W/L 3/5).
Player level: In the last year, Siyoen Sim has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 64.29% of matches (W/L 9/5), where as Hee Won Ju has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 33.33% of matches (W/L 1/2). 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 Siyoen Sim winning 1 times and Hee Won Ju being victorious 0 times. They have played 3 sets in total, with Siyoen Sim winning 2 and Hee Won Ju winning 1.
The last match between Siyoen Sim and Hee Won Ju was at the W15 Yeongwol, 08-09-2025, Round: Q2, Surface: Hard, with Siyoen Sim getting the victory 3-6 6-4 10-7.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Siyoen Sim has played against opponents with an average rank of 141.29 while Hee Won Ju has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Siyoen Sim has won 50% of deciding sets over the last 12 months, while Hee Won Ju has won 0% in all matches played on tour.
Break point conversion: In recent form, Siyoen Sim has converted 50.00% of breakpoint opportunities, and Hee Won Ju 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.

Siyoen Sim vs Hee Won Ju Editorial Preview By TennisTipster88.

S. Sim vs H. W. Ju H2H Stats Used In Our Predictions

S. Sim	Stats	H. W. Ju
1	H2H Matches Won	0
2	Sets Won	1
19	Games Won	17
0:0:0	Average Match Time	0:0:0
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set Win %	0% (0/1)
0% (0/0)	1st Set Won, Won Match	0% (0/1)
0% (0/0)	1st Set Won, Lost Match	100% (1/1)
100% (1/1)	1st Set Lost, Won Match	0% (0/0)

Recent Performance Stats

S. Sim Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Yeongwol - 08-09-2025
Q3 Cheuk Ying ShekC. Ying	L	6-4 7-5	Stats
Q2 Hee Won JuH. Won	W	3-6 6-4 10-7	Stats
Q1 Elsa WanE. Wan	W	7-5 7-5	Stats
W15 Yeongwol - 01-09-2025
Q1 A Young JangA. Young	L	6-4 2-6 10-8	Stats
W15 Maanshan - 07-07-2025
R2 Xinxin YaoX. Yao	L	3-6 2-0	Stats

View All

H. W. Ju Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Yeongwol - 08-09-2025
Q2 Siyoen SimS. Sim	L	3-6 6-4 10-7	Stats
Q1 Suyeon LeeS. Lee	W	6-1 7-6(3)	Stats
W15 Yeongwol - 01-09-2025
Q1 Ji Min ParkJ. Min	L	6-3 1-6 10-8	Stats
W35 Daegu - 03-06-2024
Q1 Cherry KimC. Kim	L	6-1 6-1	Stats
W35 Changwon - 27-05-2024
Q2 Mayuka AikawaM. Aikawa	L	6-1 6-2	Stats

View All

S. Sim vs H. W. Ju Stats Breakdown Vs All H2H Opponents

S. Sim	Stats	H. W. Ju
64.29% (9/5)	YTD Win/Loss	37.50% (3/5)
65.63% (21/11)	Sets Win/Loss	44.44% (8/10)
56.27% (184/143)	Games Win/Loss	45.29% (77/93)
50.00% (3/3)	Hard Win/Loss	37.50% (3/5)
75.00% (6/2)	Indoor Hard W/L	0% (0/0)
0.02	Aces Per Game	0
4	Aces Total	0
0.02	Double Faults Per Game	0.21
4	Total Double Faults	18
1st Match	Average Match Time	1st Match
141.29	Average Opponent Rank	290.13
54% (52/97)	1st Serve %	58% (61/106)
69% (36/52)	1st Serve Win %	59% (36/61)
53% (24/45)	2nd Serve Win %	27% (12/45)
75% (6/8)	Break Points Won % (Total)	46% (6/13)
47% (47/99)	Return Points Win %	46% (51/112)
0% (0/0)	Challenger W/L	33.33% (1/2)
64.29% (9/5)	Futures W/L	40.00% (2/3)
69% (9/13)	Best of 3 Sets Win %	38% (3/8)
100% (1/1)	Tiebreaks Win % (Total)	100% (2/2)
50% (2/4)	Deciding Set Win %	0% (0/2)
88% (8/7)	1st Set Won, Won Match	75% (4/3)
0% (8/0)	1st Set Won, Lost Match	25% (4/1)
33% (6/2)	1st Set Lost, Won Match	0% (4/0)