Thai Kwiatkowski vs Steven Diez Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
T. Kwiatkowski vs S. Diez

Thai Kwiatkowski

USA

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

5'9" (175 cm)

677

C. Rank

898

181

Best Rank

134

Total Titles

YTD Titles

$94.0K

Career Money

$335.9K

Right-Handed

Plays

Right-Handed

Steven Diez

CAN

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

5'9" (175 cm)

677

C. Rank

898

181

Best Rank

134

Total Titles

YTD Titles

$94.0K

Career Money

$335.9K

Right-Handed

Plays

Right-Handed

Head-to-head: Kwiatkowski 1 - 0 Diez

They have played 2 sets in total, with Thai Kwiatkowski winning 2 and Steven Diez winning 0. The last match between Thai Kwiatkowski and Steven Diez was at the Canada F3 (Calgary), 24-06-2018, Round: SF, Surface: Hard, with Thai Kwiatkowski getting the victory 7-6(2) 6-4.

Players	Head To Head Match Wins
Kwiatkowski	1
Diez	0

Last 1 H2H Matches:

(SF) Canada F3 (Calgary)(06-24-18)

Stats

Thai Kwiatkowski

Steven Diez

T. Kwiatkowski vs S. Diez H2H Profile

T. Kwiatkowski	Stats	S. Diez
$94,010	Career Prize Money	$335,910
56.28% (233-181)	Career Total W/L	54.64% (571-474)
1	Hard	0
8	Titles	24
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

T. Kwiatkowski vs S. Diez Match Preview:

Second serve performance recent form: In recent form (last 6 months), Thai Kwiatkowski has won 46.09% of points on their second serve, while Steven Diez has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Thai Kwiatkowski, in recent form, has won 44.55% of their opponent's second serve points, while Steven Diez has won 0%. The same stats for first serve returns are 24.24% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Thai Kwiatkowski has saved 66.67% of breakpoints in recent form, whereas Steven Diez has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Thai Kwiatkowski has won 0% of matches played (W/L 0/4), with Steven Diez winning 52.00% (W/L 13/12) that gives us an overall head-to head prediction overview.
Best surface: Thai Kwiatkowski has their best career surface win % on Hard, winning 60% (W/L 152/101), and worse career win % on Grass, winning 0% (W/L 0/7). Steven Diez has their best career surface win % on Hard, winning 60% (W/L 212/163), and worse career win % on Grass, winning 25% (W/L 3/9).
Player level: In the last year, Thai Kwiatkowski has played most of their matches on the Challengers/ITF tournaments > $10K, winning 0.00% of matches (W/L 0/2), 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 1 times before with Thai Kwiatkowski winning 1 times and Steven Diez being victorious 0 times. They have played 2 sets in total, with Thai Kwiatkowski winning 2 and Steven Diez winning 0.
The last match between Thai Kwiatkowski and Steven Diez was at the Canada F3 (Calgary), 24-06-2018, Round: SF, Surface: Hard, with Thai Kwiatkowski getting the victory 7-6(2) 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:6:0.
Opponent quality stats: Over the last 12 months, Thai Kwiatkowski has played against opponents with an average rank of 343.5 while Steven Diez has played against players with an average rank of 347.52.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Thai Kwiatkowski has won 0% 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, Thai Kwiatkowski has converted 14.81% of breakpoint opportunities, and Steven Diez 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.

Thai Kwiatkowski vs Steven Diez Editorial Preview By TennisTipster88.

T. Kwiatkowski vs S. Diez H2H Stats Used In Our Predictions

T. Kwiatkowski	Stats	S. Diez
1	H2H Matches Won	0
2	Sets Won	0
13	Games Won	10
10	Aces (Total)	5
3	Total Double Faults	0
2:6:0	Average Match Time	2:6:0
67% (55/82)	1st Serve %	66% (57/86)
75% (41/55)	1st Serve Win %	51% (29/57)
56% (15/27)	2nd Serve Win %	76% (22/29)
27% (3/11)	Break Pts Won %	29% (2/7)
41% (35/86)	Return Points Win %	32% (26/82)
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

T. Kwiatkowski Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Charlottesville Challenger - 27-10-2025
R1 Patrick ZahrajP. Zahraj	L	7-5 6-3	Stats
Winston-Salem Challenger - 08-09-2025
R1 Alex RybakovA. Rybakov	L	7-6(3) 6-4	Stats
Winston-Salem Open - Winston-Salem - 18-08-2025
Q1 Karl PolingK. Poling	L	3-6 7-5 6-3	Stats
Citi Open - Washington - 21-07-2025
Q1 Murphy CassoneM. Cassone	L	6-2 6-4	Stats
Winston-Salem Open - Winston-Salem - 19-08-2024
Q3 Strong KirchheimerS. Kirchheimer	L	6-3 6-4	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

T. Kwiatkowski vs S. Diez Stats Breakdown Vs All H2H Opponents

T. Kwiatkowski	Stats	S. Diez
56.28% (233/181)	YTD Win/Loss	54.64% (571/474)
56.08% (544/426)	Sets Win/Loss	54.52% (1285/1072)
52.59% (4871/4392)	Games Win/Loss	52.19% (11187/10250)
60.08% (152/101)	Hard Win/Loss	56.53% (212/163)
54.02% (47/40)	Clay Win/Loss	55.87% (338/267)
50.75% (34/33)	Indoor Hard W/L	33.96% (18/35)
0.00% (0/7)	Grass Win/Loss	25.00% (3/9)
0.47	Aces Per Game	0.11
2117	Aces Total	1110
0.27	Double Faults Per Game	0.17
1237	Total Double Faults	1791
1:27:18	Average Match Time	1:9:1
522.06	Average Opponent Rank	577.43
60% (15246/25604)	1st Serve %	63% (29963/47216)
72% (10949/15246)	1st Serve Win %	65% (19468/29963)
50% (5130/10358)	2nd Serve Win %	49% (8390/17253)
41% (1080/2606)	Break Points Won % (Total)	46% (2388/5143)
39% (10391/26391)	Return Points Win %	42% (20073/47619)
14.29% (2/12)	Slam W/L	42.86% (15/20)
20.00% (1/4)	Masters W/L	25.00% (4/12)
0% (0/0)	Cups W/L	0.00% (0/4)
35.71% (10/18)	Main Tour W/L	34.48% (20/38)
53.21% (116/102)	Challenger W/L	45.31% (198/239)
69.80% (104/45)	Futures W/L	67.47% (334/161)
56% (230/408)	Best of 3 Sets Win %	55% (557/1009)
33% (1/3)	Best of 5 Sets Win %	33% (3/9)
50% (71/142)	Tiebreaks Win % (Total)	47% (109/233)
44% (62/140)	Deciding Set Win %	48% (136/285)
79% (252/199)	1st Set Won, Won Match	83% (588/490)
21% (252/52)	1st Set Won, Lost Match	16% (588/97)
20% (162/33)	1st Set Lost, Won Match	18% (456/80)