Prediction of Harri Heliovaara vs Denys Klok Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
H. Heliovaara vs D. Klok

Harri Heliovaara

FIN

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

5'11" (180 cm)

Ret.

C. Rank

641

194

Best Rank

496

Total Titles

YTD Titles

$15.2K

Career Money

Right-Handed

Plays

Right-Handed

Denys Klok

RUS

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

5'11" (180 cm)

Ret.

C. Rank

641

194

Best Rank

496

Total Titles

YTD Titles

$15.2K

Career Money

Right-Handed

Plays

Right-Handed

Head-to-head: Heliovaara 1 - 0 Klok

They have played 1 sets in total, with Harri Heliovaara winning 1 and Denys Klok winning 0. The last match between Harri Heliovaara and Denys Klok was at the Netherlands F2 (Den Haag), 06-07-2018, Round: QF, Surface: Clay, with Harri Heliovaara getting the victory 3-1 def..

Players	Head To Head Match Wins
Heliovaara	1
Klok	0

Last 1 H2H Matches:

(QF) Netherlands F2 (Den Haag)(07-06-18)

Stats

Harri Heliovaara

Denys Klok

H. Heliovaara vs D. Klok H2H Profile

H. Heliovaara	Stats	D. Klok
$15,195	Career Prize Money	$0
56.88% (215-163)	Career Total W/L	56.35% (293-227)
1	Clay	0
8	Titles	5
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

H. Heliovaara vs D. Klok Match Preview:

Second serve performance recent form: In recent form (last 6 months), Harri Heliovaara has won 0% of points on their second serve, while Denys Klok has won 40.02%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Harri Heliovaara, in recent form, has won 0% of their opponent's second serve points, while Denys Klok has won 46.48%. The same stats for first serve returns are 0% and 28.75% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Harri Heliovaara has saved 0% of breakpoints in recent form, whereas Denys Klok has saved 50.00% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Harri Heliovaara has won 0% of matches played (W/L 0/0), with Denys Klok winning 62.30% (W/L 38/23) that gives us an overall head-to head prediction overview.
Best surface: Harri Heliovaara has their best career surface win % on I.hard, winning 60% (W/L 45/30), and worse career win % on Clay, winning 49% (W/L 47/49). Denys Klok has their best career surface win % on Clay, winning 60% (W/L 258/183), and worse career win % on I.hard, winning 32% (W/L 6/13).
Player level: In the last year, Harri Heliovaara has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Denys Klok has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 62.30% of matches (W/L 38/23). 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 Harri Heliovaara winning 0 times and Denys Klok being victorious 0 times. They have played 1 sets in total, with Harri Heliovaara winning 1 and Denys Klok winning 0.
The last match between Harri Heliovaara and Denys Klok was at the Netherlands F2 (Den Haag), 06-07-2018, Round: QF, Surface: Clay, with Harri Heliovaara getting the victory 3-1 def..
Head to head match duration: In past head to head matches, the average match time between these players has been 0:18:0.
Opponent quality stats: Over the last 12 months, Harri Heliovaara has played against opponents with an average rank of 0 while Denys Klok has played against players with an average rank of 380.67.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Harri Heliovaara has won 0% of deciding sets over the last 12 months, while Denys Klok has won 73% in all matches played on tour.
Break point conversion: In recent form, Harri Heliovaara has converted 0% of breakpoint opportunities, and Denys Klok has converted 34.24% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Harri Heliovaara vs Denys Klok Editorial Preview By TennisTipster88.

H. Heliovaara vs D. Klok H2H Stats Used In Our Predictions

H. Heliovaara	Stats	D. Klok
1	Sets Won	0
3	Games Won	1
1	Aces (Total)	0
0:18:0	Average Match Time	0:18:0
40% (6/15)	1st Serve %	56% (9/16)
100% (6/6)	1st Serve Win %	56% (5/9)
44% (4/9)	2nd Serve Win %	43% (3/7)
50% (1/2)	Break Pts Won %	0% (0/0)
50% (8/16)	Return Points Win %	33% (5/15)
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

H. Heliovaara Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Sydney Tennis Classic - Sydney - 10-01-2022
Q3 Viktor DurasovicV. Durasovic	L	6-4 3-6 6-4	Stats
Q1 Jose StathamJ. Statham	W	7-6(5) 7-6(11)	Stats
Adelaide International 1 - Adelaide - 03-01-2022
Q1 Francisco CerundoloF. Cerundolo	L	6-4 6-2	Stats
Abierto Mexicano de Tenis Mifel - Los Cabos - 19-07-2021
Q1 Matthew EbdenM. Ebden	L	6-2 6-2	Stats
Gran Canaria 2 Challenger - 01-03-2021
Q1 Eduard Esteve LobatoE. Esteve	L	6-2 6-4	Stats

View All

D. Klok Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Antalya - 10-11-2025
R1 Andrey ChepelevA. Chepelev	L	6-4 6-2	Stats
M15 Kursumlijska Banja - 01-09-2025
R2 Ognjen MilicO. Milic	L	6-4 3-2 ret.	Stats
R1 Vladan TadicV. Tadic	W	1-6 6-1 6-1	Stats
M15 Pirot - 18-08-2025
QF Giuseppe La VelaG. La	L	4-6 6-0 4-0 ret.	Stats
R2 Benjamin PietriB. Pietri	W	6-1 6-7(5) 6-3	Stats

View All

H. Heliovaara vs D. Klok Stats Breakdown Vs All H2H Opponents

H. Heliovaara	Stats	D. Klok
56.88% (215/163)	YTD Win/Loss	56.35% (293/227)
55.30% (480/388)	Sets Win/Loss	55.47% (649/521)
52.04% (4217/3886)	Games Win/Loss	52.73% (5482/4914)
58.85% (113/79)	Hard Win/Loss	50.00% (28/28)
48.96% (47/49)	Clay Win/Loss	58.50% (258/183)
61.36% (54/34)	Indoor Hard W/L	30.43% (7/16)
50.00% (1/1)	Grass Win/Loss	0% (0/0)
0.18	Aces Per Game	0.12
703	Aces Total	625
0.09	Double Faults Per Game	0.19
356	Total Double Faults	939
1st Match	Average Match Time	1:16:29
619.44	Average Opponent Rank	482.78
61% (6744/11028)	1st Serve %	67% (18090/26942)
68% (4580/6744)	1st Serve Win %	64% (11503/18090)
51% (2203/4284)	2nd Serve Win %	47% (4149/8852)
43% (474/1091)	Break Points Won % (Total)	47% (1391/2952)
40% (4412/11033)	Return Points Win %	43% (11304/26412)
20.00% (1/4)	Slam W/L	0% (0/0)
45.00% (9/11)	Cups W/L	0% (0/0)
35.71% (5/9)	Main Tour W/L	0% (0/0)
42.31% (55/75)	Challenger W/L	30.00% (3/7)
69.38% (145/64)	Futures W/L	56.86% (290/220)
58% (206/358)	Best of 3 Sets Win %	56% (287/510)
50% (5/10)	Best of 5 Sets Win %	60% (3/5)
56% (56/100)	Tiebreaks Win % (Total)	43% (40/92)
58% (63/109)	Deciding Set Win %	51% (66/130)
89% (200/178)	1st Set Won, Won Match	88% (292/258)
11% (200/21)	1st Set Won, Lost Match	12% (292/34)
20% (177/36)	1st Set Lost, Won Match	15% (228/35)