James Watt vs Guillaume Dalmasso Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Watt vs G. Dalmasso

James Watt

NZL

1

Win

Played

0

Win

Age

Height

683

C. Rank

667

569

Best Rank

632

Total Titles

YTD Titles

Career Money

Plays

Guillaume Dalmasso

FRA

1

Win

Played

0

Win

Age

Height

683

C. Rank

667

569

Best Rank

632

Total Titles

YTD Titles

Career Money

Plays

Head-to-head: Watt 1 - 0 Dalmasso

They have played 2 sets in total, with James Watt winning 2 and Guillaume Dalmasso winning 0. The last match between James Watt and Guillaume Dalmasso was at the M15 Los Angeles, 21-06-2023, Round: R1, Surface: Hard, with James Watt getting the victory 6-1 7-5.

Players	Head To Head Match Wins
Watt	1
Dalmasso	0

Last 1 H2H Matches:

(R1) M15 Los Angeles(06-21-23)

Stats

James Watt

Guillaume Dalmasso

J. Watt vs G. Dalmasso H2H Profile

J. Watt	Stats	G. Dalmasso
$0	Career Prize Money	$0
49.07% (53-55)	Career Total W/L	56.39% (75-58)
1	Hard	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

J. Watt vs G. Dalmasso Match Preview:

Second serve performance recent form: In recent form (last 6 months), James Watt has won 46.88% of points on their second serve, while Guillaume Dalmasso has won 42.05%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show James Watt, in recent form, has won 40.12% of their opponent's second serve points, while Guillaume Dalmasso has won 47.68%. The same stats for first serve returns are 22.43% and 25.47% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: James Watt has saved 50.81% of breakpoints in recent form, whereas Guillaume Dalmasso has saved 55.80% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year James Watt has won 42.50% of matches played (W/L 17/23), with Guillaume Dalmasso winning 55.88% (W/L 38/30) that gives us an overall head-to head prediction overview.
Best surface: James Watt has their best career surface win % on Grass, winning 57% (W/L 8/6), and worse career win % on Hard, winning 47% (W/L 41/46). Guillaume Dalmasso has their best career surface win % on Hard, winning 57% (W/L 68/45), and worse career win % on Clay, winning 25% (W/L 1/3).
Player level: In the last year, James Watt has played most of their matches on the Challengers/ITF tournaments > $10K, winning 50.00% of matches (W/L 15/15), where as Guillaume Dalmasso has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 56.67% of matches (W/L 34/26). 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 James Watt winning 1 times and Guillaume Dalmasso being victorious 0 times. They have played 2 sets in total, with James Watt winning 2 and Guillaume Dalmasso winning 0.
The last match between James Watt and Guillaume Dalmasso was at the M15 Los Angeles, 21-06-2023, Round: R1, Surface: Hard, with James Watt getting the victory 6-1 7-5.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, James Watt has played against opponents with an average rank of 443.15 while Guillaume Dalmasso has played against players with an average rank of 325.21.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, James Watt has won 31% of deciding sets over the last 12 months, while Guillaume Dalmasso has won 58% in all matches played on tour.
Break point conversion: In recent form, James Watt has converted 28.36% of breakpoint opportunities, and Guillaume Dalmasso has converted 28.87% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

James Watt vs Guillaume Dalmasso Editorial Preview By TennisTipster88.

J. Watt vs G. Dalmasso H2H Stats Used In Our Predictions

J. Watt	Stats	G. Dalmasso
1	H2H Matches Won	0
2	Sets Won	0
13	Games Won	6
0:0:0	Average Match Time	0:0:0
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

J. Watt Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Matsuyama Challenger - 03-11-2025
Q3 Yuki MochizukiY. Mochizuki	L	3-6 6-3 7-6(4)	Stats
Q1 Ryotaro TaguchiR. Taguchi	W	6-4 6-1	Stats
Shanghai Challenger - 01-09-2025
Q3 Filip PeliwoF. Peliwo	L	6-2 3-6 6-3	Stats
Q1 Alexandr BindaA. Binda	W	6-3 6-4	Stats
Zhangjiagang Challenger - 25-08-2025
R1 Sho ShimabukuroS. Shimabukuro	L	6-4 3-6 6-2	Stats

View All

G. Dalmasso Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Drummondville Challenger - 10-11-2025
Q3 Mikael ArseneaultM. Arseneault	L	3-6 6-4 6-3	Stats
Q1 Adam Farag CaoA. Farag	W	7-6(5) 6-1	Stats
M25 Montreal - 03-11-2025
R2 Maks KasnikowskiM. Kasnikowski	L	6-1 6-3	Stats
R1 Adam Farag CaoA. Farag	W	7-6(6) 3-6 7-5	Stats
M15 Trois-Rivieres - 27-10-2025
QF Theodore DeanT. Dean	L	2-6 6-3 6-0	Stats

View All

J. Watt vs G. Dalmasso Stats Breakdown Vs All H2H Opponents

J. Watt	Stats	G. Dalmasso
49.07% (53/55)	YTD Win/Loss	56.39% (75/58)
51.19% (129/123)	Sets Win/Loss	54.93% (167/137)
51.44% (1302/1229)	Games Win/Loss	51.70% (1518/1418)
47.13% (41/46)	Hard Win/Loss	60.18% (68/45)
57.14% (4/3)	Clay Win/Loss	25.00% (1/3)
0% (0/0)	Indoor Hard W/L	37.50% (6/10)
57.14% (8/6)	Grass Win/Loss	0% (0/0)
0.69	Aces Per Game	0.37
849	Aces Total	527
0.17	Double Faults Per Game	0.39
207	Total Double Faults	568
1:26:46	Average Match Time	1:28:55
407.06	Average Opponent Rank	306.92
71% (4664/6598)	1st Serve %	61% (4682/7631)
74% (3435/4664)	1st Serve Win %	72% (3369/4682)
52% (1005/1934)	2nd Serve Win %	47% (1380/2949)
34% (189/552)	Break Points Won % (Total)	42% (296/702)
36% (2434/6844)	Return Points Win %	39% (3053/7822)
48.48% (16/17)	Challenger W/L	50.00% (4/4)
49.33% (37/38)	Futures W/L	56.80% (71/54)
49% (51/105)	Best of 3 Sets Win %	56% (74/131)
0% (0/0)	Best of 5 Sets Win %	50% (1/2)
40% (17/42)	Tiebreaks Win % (Total)	54% (20/37)
38% (15/39)	Deciding Set Win %	56% (20/36)
76% (58/44)	1st Set Won, Won Match	88% (69/61)
24% (58/14)	1st Set Won, Lost Match	12% (69/8)
20% (50/10)	1st Set Lost, Won Match	22% (64/14)