Thai Kwiatkowski vs William Jansen Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
T. Kwiatkowski vs W. Jansen

Thai Kwiatkowski

USA

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

677

C. Rank

181

Best Rank

Total Titles

YTD Titles

$94.0K

Career Money

Right-Handed

Plays

William Jansen

GBR

1

Win

Played

0

Win

Age

6'2" (188 cm)

Height

677

C. Rank

181

Best Rank

Total Titles

YTD Titles

$94.0K

Career Money

Right-Handed

Plays

Head-to-head: Kwiatkowski 1 - 0 Jansen

They have played 2 sets in total, with Thai Kwiatkowski winning 2 and William Jansen winning 0. The last match between Thai Kwiatkowski and William Jansen was at the Cary 2 Challenger, 13-09-2023, Round: R1, Surface: Hard, with Thai Kwiatkowski getting the victory 6-4 6-3.

Players	Head To Head Match Wins
Kwiatkowski	1
Jansen	0

Last 1 H2H Matches:

(R1) Cary 2 Challenger(09-13-23)

Stats

Thai Kwiatkowski

William Jansen

T. Kwiatkowski vs W. Jansen H2H Profile

T. Kwiatkowski	Stats	W. Jansen
$94,010	Career Prize Money	$0
56.28% (233-181)	Career Total W/L	54.05% (40-34)
1	Hard	0
8	Titles	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

T. Kwiatkowski vs W. Jansen 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 William Jansen has won 44.39%. 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 William Jansen has won 42.13%. The same stats for first serve returns are 24.24% and 23.92% 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 William Jansen has saved 56.72% 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 William Jansen winning 52.94% (W/L 9/8) 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). William Jansen has their best career surface win % on Hard, winning 60% (W/L 28/21), and worse career win % on Grass, winning 27% (W/L 3/8).
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 William Jansen has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 56.25% of matches (W/L 9/7). 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 William Jansen being victorious 0 times. They have played 2 sets in total, with Thai Kwiatkowski winning 2 and William Jansen winning 0.
The last match between Thai Kwiatkowski and William Jansen was at the Cary 2 Challenger, 13-09-2023, Round: R1, Surface: Hard, with Thai Kwiatkowski getting the victory 6-4 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:23:35.
Opponent quality stats: Over the last 12 months, Thai Kwiatkowski has played against opponents with an average rank of 343.5 while William Jansen has played against players with an average rank of 401.88.
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 William Jansen has won 60% in all matches played on tour.
Break point conversion: In recent form, Thai Kwiatkowski has converted 14.81% of breakpoint opportunities, and William Jansen has converted 24.14% 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 William Jansen Editorial Preview By TennisTipster88.

T. Kwiatkowski vs W. Jansen H2H Stats Used In Our Predictions

T. Kwiatkowski	Stats	W. Jansen
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	7
9	Aces (Total)	5
2	Total Double Faults	3
1:23:35	Average Match Time	1:23:35
60% (28/47)	1st Serve %	62% (37/60)
89% (25/28)	1st Serve Win %	73% (27/37)
68% (13/19)	2nd Serve Win %	43% (10/23)
50% (3/6)	Break Pts Won %	0% (0/0)
38% (23/60)	Return Points Win %	19% (9/47)
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

W. Jansen Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M25 Columbus - 10-11-2025
R2 Aidan KimA. Kim	L	6-3 6-4	Stats
R1 Ilija PalavestraI. Palavestra	W	6-4 6-2	Stats
M15 Dublin - 28-07-2025
QF James StoryJ. Story	L	7-6(6) 6-3	Stats
R2 Daniel De JongeD. De	W	6-1 6-4	Stats
R1 Hugo PierreH. Pierre	W	6-3 6-4	Stats

View All

T. Kwiatkowski vs W. Jansen Stats Breakdown Vs All H2H Opponents

T. Kwiatkowski	Stats	W. Jansen
56.28% (233/181)	YTD Win/Loss	54.05% (40/34)
56.08% (544/426)	Sets Win/Loss	54.17% (91/77)
52.59% (4871/4392)	Games Win/Loss	53.94% (856/731)
60.08% (152/101)	Hard Win/Loss	57.14% (28/21)
54.02% (47/40)	Clay Win/Loss	0% (0/0)
50.75% (34/33)	Indoor Hard W/L	64.29% (9/5)
0.00% (0/7)	Grass Win/Loss	27.27% (3/8)
0.47	Aces Per Game	0.4
2117	Aces Total	312
0.27	Double Faults Per Game	0.16
1237	Total Double Faults	121
1:27:18	Average Match Time	1:31:2
522.06	Average Opponent Rank	380.64
60% (15246/25604)	1st Serve %	66% (2853/4324)
72% (10949/15246)	1st Serve Win %	68% (1948/2853)
50% (5130/10358)	2nd Serve Win %	52% (758/1471)
41% (1080/2606)	Break Points Won % (Total)	45% (177/395)
39% (10391/26391)	Return Points Win %	39% (1650/4258)
14.29% (2/12)	Slam W/L	0.00% (0/1)
20.00% (1/4)	Masters W/L	0% (0/0)
35.71% (10/18)	Main Tour W/L	0% (0/0)
53.21% (116/102)	Challenger W/L	0.00% (0/5)
69.80% (104/45)	Futures W/L	58.82% (40/28)
56% (230/408)	Best of 3 Sets Win %	55% (40/73)
33% (1/3)	Best of 5 Sets Win %	0% (0/0)
50% (71/142)	Tiebreaks Win % (Total)	45% (9/20)
44% (62/140)	Deciding Set Win %	48% (10/21)
79% (252/199)	1st Set Won, Won Match	85% (40/34)
21% (252/52)	1st Set Won, Lost Match	13% (40/5)
20% (162/33)	1st Set Lost, Won Match	18% (34/6)