Prediction of Chang Liu vs Olga Helmi Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
C. Liu vs O. Helmi

Chang Liu

CHN

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

792

171

Best Rank

375

Total Titles

YTD Titles

$12.3K

Career Money

Plays

Olga Helmi

DEN

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

792

171

Best Rank

375

Total Titles

YTD Titles

$12.3K

Career Money

Plays

Head-to-head: Liu 1 - 0 Helmi

They have played 2 sets in total, with Chang Liu winning 2 and Olga Helmi winning 0. The last match between Chang Liu and Olga Helmi was at the W15 Nonthaburi, 04-12-2019, Round: R1, Surface: Hard, with Chang Liu getting the victory 6-3 7-6(2).

Players	Head To Head Match Wins
Liu	1
Helmi	0

Last 1 H2H Matches:

(R1) W15 Nonthaburi(12-04-19)

Stats

Chang Liu

Olga Helmi

C. Liu vs O. Helmi H2H Profile

C. Liu	Stats	O. Helmi
$12,292	Career Prize Money	$0
57.39% (233-173)	Career Total W/L	54.20% (213-180)
1	Hard	0
3	Titles	5
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

C. Liu vs O. Helmi Match Preview:

Second serve performance recent form: In recent form (last 6 months), Chang Liu has won 0% of points on their second serve, while Olga Helmi has won 34.24%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Chang Liu, in recent form, has won 0% of their opponent's second serve points, while Olga Helmi has won 50.16%. The same stats for first serve returns are 0% and 32.09% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Chang Liu has saved 0% of breakpoints in recent form, whereas Olga Helmi has saved 39.25% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Chang Liu has won 0% of matches played (W/L 0/0), with Olga Helmi winning 48.57% (W/L 17/18) that gives us an overall head-to head prediction overview.
Best surface: Chang Liu has their best career surface win % on Clay, winning 64% (W/L 23/13), and worse career win % on Hard, winning 57% (W/L 201/153). Olga Helmi has their best career surface win % on Hard, winning 64% (W/L 146/104), and worse career win % on Clay, winning 36% (W/L 21/37).
Player level: In the last year, Chang Liu has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Olga Helmi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 45.45% of matches (W/L 10/12). 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 Chang Liu winning 1 times and Olga Helmi being victorious 0 times. They have played 2 sets in total, with Chang Liu winning 2 and Olga Helmi winning 0.
The last match between Chang Liu and Olga Helmi was at the W15 Nonthaburi, 04-12-2019, Round: R1, Surface: Hard, with Chang Liu getting the victory 6-3 7-6(2).
Head to head match duration: In past head to head matches, the average match time between these players has been 1:30:0.
Opponent quality stats: Over the last 12 months, Chang Liu has played against opponents with an average rank of 0 while Olga Helmi has played against players with an average rank of 314.37.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Chang Liu has won 0% of deciding sets over the last 12 months, while Olga Helmi has won 63% in all matches played on tour.
Break point conversion: In recent form, Chang Liu has converted 0% of breakpoint opportunities, and Olga Helmi has converted 30.67% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Chang Liu vs Olga Helmi Editorial Preview By TennisTipster88.

C. Liu vs O. Helmi H2H Stats Used In Our Predictions

C. Liu	Stats	O. Helmi
1	H2H Matches Won	0
2	Sets Won	0
13	Games Won	9
1	Aces (Total)	2
2	Total Double Faults	13
1:30:0	Average Match Time	1:30:0
64% (49/77)	1st Serve %	56% (47/84)
65% (32/49)	1st Serve Win %	64% (30/47)
64% (18/28)	2nd Serve Win %	41% (15/37)
30% (3/10)	Break Pts Won %	33% (2/6)
46% (39/84)	Return Points Win %	35% (27/77)
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

C. Liu Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Nonthaburi - 02-12-2019
QF Pei-Chi LeeP. Lee	L	6-1 0-6 6-3	Stats
R2 Sakura HondoS. Hondo	W	7-5 6-3	Stats
R1 Olga HelmiO. Helmi	W	6-3 7-6(2)	Stats
W15 Nonthaburi - 25-11-2019
R2 Himeno SakatsumeH. Sakatsume	L	5-7 7-6(6) 6-0	Stats
R1 Alicia SmithA. Smith	W	7-5 6-2	Stats

View All

O. Helmi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Heraklion - 01-09-2025
R2 Kateryna DiatlovaK. Diatlova	L	6-3 6-4	Stats
R1 Mia WainwrightM. Wainwright	W	7-6(3) 6-1	Stats
W35 Heraklion - 25-08-2025
R2 Jenna DefalcoJ. Defalco	L	6-1 6-3	Stats
R1 Amelia RajeckiA. Rajecki	W	6-1 6-4	Stats
W35 Vigo - 11-08-2025
R1 Angelina VoloshchukA. Voloshchuk	L	7-5 6-7(2) 6-2	Stats

View All

C. Liu vs O. Helmi Stats Breakdown Vs All H2H Opponents

C. Liu	Stats	O. Helmi
57.39% (233/173)	YTD Win/Loss	54.20% (213/180)
55.74% (505/401)	Sets Win/Loss	54.11% (480/407)
53.02% (4295/3806)	Games Win/Loss	52.03% (4226/3897)
56.78% (201/153)	Hard Win/Loss	58.40% (146/104)
63.89% (23/13)	Clay Win/Loss	36.21% (21/37)
56.25% (9/7)	Indoor Hard W/L	54.12% (46/39)
0.05	Aces Per Game	0.07
199	Aces Total	287
0.15	Double Faults Per Game	0.56
605	Total Double Faults	2213
1st Match	Average Match Time	1:21:1
605.49	Average Opponent Rank	493.05
64% (7429/11689)	1st Serve %	59% (12739/21627)
59% (4403/7429)	1st Serve Win %	59% (7567/12739)
46% (1961/4260)	2nd Serve Win %	42% (3708/8887)
49% (778/1591)	Break Points Won % (Total)	50% (1489/2957)
48% (5603/11654)	Return Points Win %	48% (10416/21637)
0.00% (0/1)	Slam W/L	0% (0/0)
0.00% (0/2)	Masters W/L	0% (0/0)
38.10% (8/13)	Main Tour W/L	0% (0/0)
56.68% (140/107)	Challenger W/L	50.00% (96/96)
62.96% (85/50)	Futures W/L	58.21% (117/84)
57% (230/401)	Best of 3 Sets Win %	54% (212/389)
100% (1/1)	Best of 5 Sets Win %	0% (0/0)
45% (34/76)	Tiebreaks Win % (Total)	48% (34/71)
58% (56/97)	Deciding Set Win %	48% (50/105)
90% (221/200)	1st Set Won, Won Match	87% (223/195)
10% (221/21)	1st Set Won, Lost Match	12% (223/27)
18% (185/33)	1st Set Lost, Won Match	11% (170/18)