Daniel Altmaier vs Steven Diez Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Altmaier vs S. Diez

Daniel Altmaier

GER

0

Win

Played

3

Win

Age

6'3" (191 cm)

Height

5'9" (175 cm)

C. Rank

882

Best Rank

134

Total Titles

YTD Titles

$2.3M

Career Money

$335.9K

Right-Handed

Plays

Right-Handed

Steven Diez

CAN

0

Win

Played

3

Win

Age

6'3" (191 cm)

Height

5'9" (175 cm)

C. Rank

882

Best Rank

134

Total Titles

YTD Titles

$2.3M

Career Money

$335.9K

Right-Handed

Plays

Right-Handed

Head-to-head: Altmaier 0 - 3 Diez

They have played 7 sets in total, with Daniel Altmaier winning 1 and Steven Diez winning 6. The last match between Steven Diez and Daniel Altmaier was at the Burnie Challenger, 21-01-2019, Round: R1, Surface: Hard, with Steven Diez getting the victory 1-6 6-3 6-1.

Players	Head To Head Match Wins
Altmaier	0
Diez	3

Last 3 H2H Matches:

(R1) Burnie Challenger(01-21-19)

Stats

Steven Diez

Daniel Altmaier

(R1) Heilbronn Challenger(05-15-17)

Stats

Steven Diez

Daniel Altmaier

(R2) Greece F9(10-26-15)

Stats

Steven Diez

Daniel Altmaier

D. Altmaier vs S. Diez H2H Profile

D. Altmaier	Stats	S. Diez
$2,302,480	Career Prize Money	$335,910
59.32% (420-288)	Career Total W/L	54.64% (571-474)
0	Clay	1
0	Hard	2
16	Titles	24
0	Total H2H Matches	3
40.91% (18-26)	YTD Win/Loss	0% (0-0)

D. Altmaier vs S. Diez Match Preview:

Second serve performance recent form: In recent form (last 6 months), Daniel Altmaier has won 44.64% of points on their second serve, while Steven Diez has won 38.58%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Daniel Altmaier, in recent form, has won 42.54% of their opponent's second serve points, while Steven Diez has won 44.68%. The same stats for first serve returns are 23.47% and 35.26% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Daniel Altmaier has saved 57.36% of breakpoints in recent form, whereas Steven Diez has saved 50.00% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Daniel Altmaier has won 47.76% of matches played (W/L 32/35), with Steven Diez winning 52.00% (W/L 13/12) that gives us an overall head-to head prediction overview.
Best surface: Daniel Altmaier has their best career surface win % on Clay, winning 61% (W/L 208/133), and worse career win % on Grass, winning 35% (W/L 9/17). Steven Diez has their best career surface win % on Hard, winning 61% (W/L 212/163), and worse career win % on Grass, winning 25% (W/L 3/9).
Player level: In the last year, Daniel Altmaier has played most of their matches on the Main tour, winning 38.71% of matches (W/L 12/19), where as Steven Diez has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 58.82% of matches (W/L 10/7). 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 3 times before with Daniel Altmaier winning 0 times and Steven Diez being victorious 3 times. They have played 7 sets in total, with Daniel Altmaier winning 1 and Steven Diez winning 6.
The last match between Daniel Altmaier and Steven Diez was at the Burnie Challenger, 21-01-2019, Round: R1, Surface: Hard, with Steven Diez getting the victory 1-6 6-3 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:35:24.
Opponent quality stats: Over the last 12 months, Daniel Altmaier has played against opponents with an average rank of 194.99 while Steven Diez has played against players with an average rank of 354.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Daniel Altmaier has won 59% of deciding sets over the last 12 months, while Steven Diez has won 14% in all matches played on tour.
Break point conversion: In recent form, Daniel Altmaier has converted 25.50% of breakpoint opportunities, and Steven Diez has converted 47.83% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Daniel Altmaier vs Steven Diez Editorial Preview By TennisTipster88.

D. Altmaier vs S. Diez H2H Stats Used In Our Predictions

D. Altmaier	Stats	S. Diez
0	H2H Matches Won	3
1	Sets Won	6
23	Games Won	37
14	Aces (Total)	4
10	Total Double Faults	2
1:35:24	Average Match Time	1:35:24
55% (110/199)	1st Serve %	65% (111/172)
65% (72/110)	1st Serve Win %	70% (78/111)
42% (37/89)	2nd Serve Win %	62% (38/61)
45% (5/11)	Break Pts Won %	38% (12/32)
33% (56/172)	Return Points Win %	45% (90/199)
0% (0/3)	Best‑of‑3 Win %	100% (3/3)
0% (0/1)	Deciding Set Win %	100% (1/1)
0% (0/1)	1st Set Won, Won Match	100% (2/2)
100% (1/1)	1st Set Won, Lost Match	0% (0/2)
0% (0/2)	1st Set Lost, Won Match	100% (1/1)

Recent Performance Stats

D. Altmaier Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Erste Bank Open - Vienna - 20-10-2025
R1 Jannik SinnerJ. Sinner	L	6-0 6-2	Stats
European Open - Brussels - 13-10-2025
R1 Gilles Arnaud BaillyG. Arnaud	L	6-4 6-7(10) 6-3	Stats
Shanghai Rolex Masters - Shanghai - 29-09-2025
R2 Jannik SinnerJ. Sinner	L	6-3 6-3	Stats
R1 Tristan SchoolkateT. Schoolkate	W	6-3 6-4	Stats
Japan Open Tennis Championships - Tokyo - 22-09-2025
R2 Aleksandar VukicA. Vukic	L	6-4 6-2	Stats

View All

S. Diez Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Heilbronn Challenger - 02-06-2025
Q1 Rei SakamotoR. Sakamoto	L	4-6 6-0 6-3	Stats
M25 Vic - 12-05-2025
QF Lorenzo GiustinoL. Giustino	L	6-1 2-1 ret.	Stats
R2 Andres Santamarta RoigA. Santamarta	W	6-3 7-5	Stats
R1 Michiel De KromM. De	W	6-1 ret.	Stats
M25 Sabadell - 28-04-2025
R1 Sekou BangouraS. Bangoura	L	4-6 7-6(4) 6-1	Stats

View All

D. Altmaier vs S. Diez Stats Breakdown Vs All H2H Opponents

D. Altmaier	Stats	S. Diez
59.32% (420/288)	YTD Win/Loss	54.64% (571/474)
57.27% (949/708)	Sets Win/Loss	54.52% (1285/1072)
52.57% (8323/7509)	Games Win/Loss	52.19% (11187/10250)
59.83% (137/92)	Hard Win/Loss	56.53% (212/163)
61.00% (208/133)	Clay Win/Loss	55.87% (338/267)
58.93% (66/46)	Indoor Hard W/L	33.96% (18/35)
34.62% (9/17)	Grass Win/Loss	25.00% (3/9)
0.48	Aces Per Game	0.11
3731	Aces Total	1110
0.17	Double Faults Per Game	0.17
1349	Total Double Faults	1791
1:32:13	Average Match Time	1:9:1
410.1	Average Opponent Rank	572.71
61% (27005/44048)	1st Serve %	63% (29963/47216)
72% (19342/27005)	1st Serve Win %	65% (19468/29963)
50% (8542/17043)	2nd Serve Win %	49% (8390/17253)
42% (1780/4265)	Break Points Won % (Total)	46% (2388/5143)
39% (17317/44473)	Return Points Win %	42% (20073/47619)
50.00% (18/18)	Slam W/L	42.86% (15/20)
44.44% (24/30)	Masters W/L	25.00% (4/12)
50.00% (2/2)	Cups W/L	0.00% (0/4)
39.71% (54/82)	Main Tour W/L	34.48% (20/38)
66.05% (142/73)	Challenger W/L	45.31% (198/239)
68.44% (180/83)	Futures W/L	67.47% (334/161)
60% (398/659)	Best of 3 Sets Win %	55% (557/1009)
47% (16/34)	Best of 5 Sets Win %	33% (3/9)
56% (143/257)	Tiebreaks Win % (Total)	47% (109/233)
56% (113/202)	Deciding Set Win %	48% (136/285)
88% (414/366)	1st Set Won, Won Match	83% (588/490)
12% (414/48)	1st Set Won, Lost Match	16% (588/97)
18% (294/54)	1st Set Lost, Won Match	18% (456/80)