Denis Istomin vs Guilherme Valdoleiros Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Istomin vs G. Valdoleiros

Denis Istomin

UZB

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

740

C. Rank

Best Rank

Total Titles

YTD Titles

$3.0M

Career Money

Right-Handed

Plays

Guilherme Valdoleiros

POR

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

740

C. Rank

Best Rank

Total Titles

YTD Titles

$3.0M

Career Money

Right-Handed

Plays

Head-to-head: Istomin 1 - 0 Valdoleiros

They have played 2 sets in total, with Denis Istomin winning 2 and Guilherme Valdoleiros winning 0. The last match between Denis Istomin and Guilherme Valdoleiros was at the Maia Challenger, 27-11-2022, Round: Q1, Surface: Clay, with Denis Istomin getting the victory 6-1 6-1.

Players	Head To Head Match Wins
Istomin	1
Valdoleiros	0

Last 1 H2H Matches:

(Q1) Maia Challenger(11-27-22)

Stats

Denis Istomin

Guilherme Valdoleiros

D. Istomin vs G. Valdoleiros H2H Profile

D. Istomin	Stats	G. Valdoleiros
$3,029,610	Career Prize Money	$0
53.09% (585-517)	Career Total W/L	44.03% (59-75)
1	Clay	0
19	Titles	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

D. Istomin vs G. Valdoleiros Match Preview:

Second serve performance recent form: In recent form (last 6 months), Denis Istomin has won 0% of points on their second serve, while Guilherme Valdoleiros has won 43.36%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Denis Istomin, in recent form, has won 0% of their opponent's second serve points, while Guilherme Valdoleiros has won 46.67%. The same stats for first serve returns are 0% and 28.66% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Denis Istomin has saved 0% of breakpoints in recent form, whereas Guilherme Valdoleiros has saved 53.57% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Denis Istomin has won 0% of matches played (W/L 0/1), with Guilherme Valdoleiros winning 53.19% (W/L 25/22) that gives us an overall head-to head prediction overview.
Best surface: Denis Istomin has their best career surface win % on Hard, winning 60% (W/L 273/185), and worse career win % on I.hard, winning 46% (W/L 104/123). Guilherme Valdoleiros has their best career surface win % on Hard, winning 60% (W/L 52/60), and worse career win % on Clay, winning 32% (W/L 7/15).
Player level: In the last year, Denis Istomin has played most of their matches on the Challengers/ITF tournaments > $10K, winning 0.00% of matches (W/L 0/1), where as Guilherme Valdoleiros has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 56.82% of matches (W/L 25/19). 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 Denis Istomin winning 1 times and Guilherme Valdoleiros being victorious 0 times. They have played 2 sets in total, with Denis Istomin winning 2 and Guilherme Valdoleiros winning 0.
The last match between Denis Istomin and Guilherme Valdoleiros was at the Maia Challenger, 27-11-2022, Round: Q1, Surface: Clay, with Denis Istomin getting the victory 6-1 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:2:25.
Opponent quality stats: Over the last 12 months, Denis Istomin has played against opponents with an average rank of 394 while Guilherme Valdoleiros has played against players with an average rank of 200.3.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Denis Istomin has won 0% of deciding sets over the last 12 months, while Guilherme Valdoleiros has won 56% in all matches played on tour.
Break point conversion: In recent form, Denis Istomin has converted 0% of breakpoint opportunities, and Guilherme Valdoleiros has converted 29.89% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Denis Istomin vs Guilherme Valdoleiros Editorial Preview By TennisTipster88.

D. Istomin vs G. Valdoleiros H2H Stats Used In Our Predictions

D. Istomin	Stats	G. Valdoleiros
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	2
3	Aces (Total)	2
1	Total Double Faults	0
1:2:25	Average Match Time	1:2:25
78% (29/37)	1st Serve %	74% (35/47)
79% (23/29)	1st Serve Win %	54% (19/35)
75% (6/8)	2nd Serve Win %	17% (2/12)
71% (5/7)	Break Pts Won %	0% (0/2)
55% (26/47)	Return Points Win %	22% (8/37)
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

D. Istomin Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Cherbourg Challenger - 10-03-2025
Q1 David Jorda SanchisD. Jorda	L	6-1 6-1	Stats
Astana Challenger - 24-07-2023
Q1 Arslanbek AitkulovA. Aitkulov	L	6-2 6-4	Stats
Rome Challenger - 24-04-2023
Q3 Francesco FortiF. Forti	L	6-1 6-3	Stats
Q1 Sebastian FanselowS. Fanselow	W	6-4 4-6 6-3	Stats
Maia Challenger - 28-11-2022
R1 Nuno BorgesN. Borges	L	6-3 6-0	Stats

View All

G. Valdoleiros Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Madrid - 01-12-2025
R1 Nicholas David IonelN. David	L	6-1 7-6(6)	Stats
Q3 Mikel MartinezM. Martinez	W	2-6 6-1 10-7	Stats
Q2 Pedro RodenasP. Rodenas	W	7-5 6-7(3) 10-6	Stats
Q1 Ignacio AyusoI. Ayuso	W	6-2 6-2	Stats
Maia Challenger - 24-11-2025
Q1 Andrej MartinA. Martin	L	6-1 6-2	Stats

View All

D. Istomin vs G. Valdoleiros Stats Breakdown Vs All H2H Opponents

D. Istomin	Stats	G. Valdoleiros
53.09% (585/517)	YTD Win/Loss	44.03% (59/75)
52.53% (1414/1278)	Sets Win/Loss	44.52% (134/167)
51.15% (13382/12779)	Games Win/Loss	48.49% (1363/1448)
59.61% (273/185)	Hard Win/Loss	46.43% (52/60)
49.69% (159/161)	Clay Win/Loss	31.82% (7/15)
45.99% (109/128)	Indoor Hard W/L	0% (0/0)
50.57% (44/43)	Grass Win/Loss	0% (0/0)
0.37	Aces Per Game	0.03
4692	Aces Total	42
0.11	Double Faults Per Game	0.08
1396	Total Double Faults	108
1st Match	Average Match Time	1st Match
555.29	Average Opponent Rank	217.46
65% (38540/58965)	1st Serve %	67% (1834/2743)
71% (27351/38540)	1st Serve Win %	54% (983/1834)
51% (10405/20415)	2nd Serve Win %	46% (420/909)
38% (1806/4788)	Break Points Won % (Total)	40% (90/225)
36% (21414/59238)	Return Points Win %	38% (960/2520)
42.22% (38/52)	Slam W/L	0% (0/0)
40.00% (38/57)	Masters W/L	0% (0/0)
66.04% (35/18)	Cups W/L	0% (0/0)
47.83% (176/192)	Main Tour W/L	0% (0/0)
58.43% (246/175)	Challenger W/L	0.00% (0/7)
71.43% (50/20)	Futures W/L	46.46% (59/68)
53% (502/940)	Best of 3 Sets Win %	44% (59/134)
52% (69/132)	Best of 5 Sets Win %	0% (0/0)
51% (245/476)	Tiebreaks Win % (Total)	44% (8/18)
51% (163/322)	Deciding Set Win %	52% (17/33)
86% (560/480)	1st Set Won, Won Match	89% (54/48)
14% (560/78)	1st Set Won, Lost Match	11% (54/6)
19% (541/102)	1st Set Lost, Won Match	14% (80/11)