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Portrait of Guillaume Dalmasso, tennis player
Player research cockpit

GuillaumeDalmasso

TennisJack analysis

Guillaume Dalmasso currently has a large TennisJack sample of 84 completed matches, with a 56.0% win rate in the loaded match history. The recent form line is 3-7 across the latest 10 completed matches.

Latest rank #709
M
Matches84Completed matches
%
Win rate56.0%Across all matches
F
Latest form3-7In latest 10 matches
I
Index statusStrong candidateProfile confidence
Performance metrics
Hold Base74.1%
Break Pressure26.4%
Latest form (10 matches)
3-7
W W L L L L W L L L
Surface profile
Hardcourt outdoor
Canonical/players/guillaume-dalmasso/
Index statusStrong candidate
Last updatedData from TennisJack
Profile intelligence

Ten signals worth watching.

Built from 84 completed TennisJack matches: form, surface, odds, pressure and close-set behavior. The full match log stays below for audit.

01

Player DNA

Quick fingerprint from starts, service base, return bite and decider exposure.

Balanced starts Break-heavy player Stable server
Set 1 punch48.8%
Service shield74.1%
Return bite26.4%
Decider risk33.3%
02

Favorite / Underdog Split

How the player behaves when priced as market favorite versus outsider.

Favorite 71.1% 27-11 - 38 matches Avg odds 1.35 | 1+ set 78.9%
Underdog 35.7% 5-9 - 14 matches Avg odds 3.40 | 1+ set 42.9%
03

First Set Personality

Shows whether the player starts cleanly, breaks first, or survives early pressure.

Set 1 win48.8%
Breaks first S157.5%
Broken first S142.5%
Recovers S112.9%
04

Break Pressure Profile

Return damage versus service leakage, built from set-level break counters.

Avg breaks2.31
Avg broken2.24
Balance0.07
Clean service matches33.3%
3+ breaks produced42.9%
Set 2 win51.2%
05

Clean Win / Comeback Index

Separates smooth 2-0 wins from matches where the player had to repair damage.

48.9%Clean 2-0 share among wins
Clean 2-0 wins23
Comeback signals44
Lost set 1, won match13
Comeback index52.4%
06

Surface Edge

Where the profile is most trustworthy and where the win rate really travels.

Primary surfaceHardcourt outdoor
Primary record34-22
Primary WR60.7%
Best surfaceHardcourt outdoor 60.7%
Hardcourt outdoor34-2260.7%
Unknown5-645.5%
Hardcourt indoor4-544.4%
Clay4-357.1%
07

Odds Value Pulse

Shows whether the player wins as expected or creates value at outsider prices.

Avg win odds1.53
Avg loss odds2.49
Biggest win odds5.00
2.00+ odds WR41.7%
2.00+ sample12
Odds sample52
08

Decider Profile

How often matches become complicated, and whether the player survives the third set.

Three-set share33.3%
Decider record19-9
Set 3 win67.9%
After losing S130.2%
09

Close Set Risk

Tie-break and 7-5 / 7-6 pressure profile, useful for spotting fragile edges.

Close sets53-41
Close-set WR56.4%
Tie-breaks9-9
Matches with tight set61
10

Momentum Trend

Compares the latest 5 matches with the previous 10 so form shifts are visible immediately.

Cooling down · 3 losses running
W W L L L L W L L L
Latest 5 WR20.0%
Previous 10 WR50.0%
Latest 51-4
Previous 105-5
Trend delta-30.0%
Latest 5 WR20.0%
Match log

All Guillaume Dalmasso matches in the TennisJack sample.

Scan date, tournament, surface, opponent, set score, result and service-return indicators before opening the deeper tools.

Open Player Research
DateMatchScoreResultHold / Break
15.09.2026 Guillaume Dalmasso vs Damien ClercM25 Nevers 2-6 3-6Surface pending Loss
Hold
37.5%
Break
22.2%
06.09.2026Round 14 Guillaume Dalmasso vs Hugo CarChallenger Cassis 6-7 4-6Hardcourt outdoor Loss
Hold
81.8%
Break
8.3%
03.09.2026 Guillaume Dalmasso vs Alex KnaffM25 Bagneres-de-Bigorre 6-3 1-6 0-6Surface pending Loss
Hold
36.4%
Break
27.3%
01.09.2026 Guillaume Dalmasso vs Julien DandoM25 Bagneres-de-Bigorre 5-7 6-4 6-3Surface pending Win
Hold
66.7%
Break
43.8%
16.08.2026Round 14 Guillaume Dalmasso vs Garrett JohnsChallenger Kingston 3-6 1-6Hardcourt outdoor Loss
Hold
-
Break
-
28.07.2026Round 14 Guillaume Dalmasso vs Hayato MatsuokaChallenger Vancouver 4-6 4-6Hardcourt outdoor Loss
Hold
60.0%
Break
20.0%
19.07.2026Round 14 Guillaume Dalmasso vs James TrotterChallenger Winnipeg 3-6 4-6Hardcourt outdoor Loss
Hold
-
Break
-
14.07.2026R32 Guillaume Dalmasso vs Aidan MayoChallenger Granby 4-6 4-6Hardcourt outdoor Loss
Hold
60.0%
Break
20.0%
13.07.2026Round 19 Guillaume Dalmasso vs Mikael ArseneaultChallenger Granby 4-6 6-4 6-4Hardcourt outdoor Win
Hold
80.0%
Break
26.7%
12.07.2026Round 14 Guillaume Dalmasso vs Volodymyr GurenkoChallenger Granby 6-4 6-4Hardcourt outdoor Win
Hold
100.0%
Break
20.0%
06.07.2026R32 Guillaume Dalmasso vs Alberto Barroso CamposChallenger Nottingham 3-6 4-6Grass Loss
Hold
66.7%
Break
10.0%
02.07.2026 Guillaume Dalmasso vs Luc FombaM25 Ajaccio 3-6 6-1 6-7Surface pending Loss
Hold
92.9%
Break
13.3%
01.07.2026 Guillaume Dalmasso vs Valentin LapaluM25 Ajaccio 6-4 7-6Surface pending Win
Hold
81.8%
Break
25.0%
13.06.2026 Guillaume Dalmasso vs Joaquin GuillemeM15 Vaasa 6-1 6-4Surface pending Win
Hold
100.0%
Break
44.4%
13.06.2026 Guillaume Dalmasso vs Filip PeliwoM15 Vaasa 6-4 7-5Surface pending Win
Hold
90.9%
Break
27.3%
12.06.2026 Guillaume Dalmasso vs Tom ZeuchM15 Vaasa 5-7 6-4 6-4Hardcourt outdoor Win
Hold
81.2%
Break
25.0%
10.06.2026 Guillaume Dalmasso vs Sten HiiesaluM15 Vaasa 6-7 6-3 7-6Hardcourt outdoor Win
Hold
82.3%
Break
22.2%
03.06.2026R16 Guillaume Dalmasso vs Arda AzkaraChallenger Centurion 6-7 2-6Hardcourt outdoor Loss
Hold
-
Break
-
02.06.2026R32 Guillaume Dalmasso vs Constantin Bittoun KouzmineChallenger Centurion 6-4 6-3Hardcourt outdoor Win
Hold
-
Break
-
01.06.2026Round 19 Guillaume Dalmasso vs Peter BuldoriniChallenger Centurion 7-6 6-4Hardcourt outdoor Win
Hold
-
Break
-
31.05.2026Round 14 Guillaume Dalmasso vs Ofek ShimanovChallenger Centurion Qual 6-3 6-7 6-3Hardcourt outdoor Win
Hold
-
Break
-
28.05.2026R16 Guillaume Dalmasso vs Robert StrombachsChallenger Centurion 2-6 3-6Hardcourt outdoor Loss
Hold
-
Break
-
25.05.2026Round 19 Guillaume Dalmasso vs Naoya HondaChallenger Centurion 3-6 6-3 6-4Hardcourt outdoor Win
Hold
-
Break
-
24.05.2026Round 14 Guillaume Dalmasso vs Mark NawaChallenger Centurion 6-2 6-3Hardcourt outdoor Win
Hold
-
Break
-
05.05.2026 Guillaume Dalmasso vs Braden ShickM25 Nottingham 3-6 2-6Surface pending Loss
Hold
50.0%
Break
11.1%
29.04.2026 Guillaume Dalmasso vs Marcus WaltersM25 Nottingham 6-2 4-6 4-6Surface pending Loss
Hold
78.6%
Break
21.4%
22.04.2026 Guillaume Dalmasso vs Hugo MaiaM15 Sanxenxo 6-4 2-6 4-6Surface pending Loss
Hold
42.9%
Break
42.9%
05.04.2026Round 14 Guillaume Dalmasso vs Bor ArtnakChallenger Mexico City 3-6 3-6Clay Loss
Hold
44.4%
Break
22.2%
30.03.2026Round 19 Guillaume Dalmasso vs Alafia AyeniChallenger San Luis Potosi 6-4 4-6 3-6Clay Loss
Hold
71.4%
Break
20.0%
29.03.2026Round 14 Guillaume Dalmasso vs Gray VoelzkeChallenger San Luis Potosi 6-1 3-6 6-3Clay Win
Hold
84.6%
Break
33.3%
26.03.2026 Guillaume Dalmasso vs Tanishk KonduriM25 Las Vegas 1-6 4-5Hardcourt outdoor Loss
Hold
62.5%
Break
0.0%
24.03.2026 Guillaume Dalmasso vs Edward WinterM25 Las Vegas 6-4 7-6Surface pending Win
Hold
72.7%
Break
33.3%
16.03.2026Round 19 Guillaume Dalmasso vs Jake DelaneyChallenger Morelos 5-7 6-4 2-6Hardcourt outdoor Loss
Hold
73.3%
Break
13.3%
15.03.2026Round 14 Guillaume Dalmasso vs Rodolfo Jauregui Sainz De RozasChallenger Morelos 6-3 6-2Hardcourt outdoor Win
Hold
100.0%
Break
37.5%
27.02.2026 Guillaume Dalmasso vs Nick HardtM15 San Jose 4-6 6-7Hardcourt outdoor Loss
Hold
81.8%
Break
8.3%
26.02.2026 Guillaume Dalmasso vs Pietro Orlando FellinM15 San Jose 6-4 7-5Hardcourt outdoor Win
Hold
100.0%
Break
18.2%
25.02.2026 Guillaume Dalmasso vs Jeffrey FradkinM15 San Jose 4-6 6-1 6-2Hardcourt outdoor Win
Hold
84.6%
Break
41.7%
24.02.2026 Guillaume Dalmasso vs Olaf PieczkowskiM15 San Jose 6-7 6-4 6-4Hardcourt outdoor Win
Hold
93.8%
Break
17.6%
17.02.2026R32 Guillaume Dalmasso vs Rodrigo Pacheco MendezChallenger Metepec 2-6 1-6Hardcourt outdoor Loss
Hold
37.5%
Break
0.0%
16.02.2026Round 19 Guillaume Dalmasso vs Benjamin Thomas GeorgeChallenger Metepec 6-4 2-6 7-5Hardcourt outdoor Win
Hold
64.3%
Break
33.3%
15.02.2026Round 14 Guillaume Dalmasso vs Dillon BecklesChallenger Metepec 6-3 6-1Hardcourt outdoor Win
Hold
87.5%
Break
62.5%
04.02.2026 Guillaume Dalmasso vs Joshua PeckM15 Huamantla 2-6 2-6Hardcourt outdoor Loss
Hold
37.5%
Break
14.3%
29.01.2026 Guillaume Dalmasso vs Benjamin Thomas GeorgeM15 Huamantla 3-6 2-6Hardcourt outdoor Loss
Hold
33.3%
Break
25.0%
28.01.2026 Guillaume Dalmasso vs Joshua PeckM15 Huamantla 6-7 6-4 6-4Hardcourt outdoor Win
Hold
86.7%
Break
23.5%
28.01.2026 Guillaume Dalmasso vs Michael Alejandro Beltran RubioM15 Huamantla 6-1 6-1Hardcourt outdoor Win
Hold
100.0%
Break
71.4%
14.01.2026 Guillaume Dalmasso vs William GrantM25 Winston-Salem 3-6 3-6Hardcourt indoor Loss
Hold
66.7%
Break
0.0%
19.12.2025 Guillaume Dalmasso vs Derrick ChenUTR Pro Honolulu 6-2 6-1Hardcourt outdoor Win
Hold
100.0%
Break
57.1%
17.12.2025 Guillaume Dalmasso vs Lachlan RobertsonUTR Pro Honolulu 7-5 6-3Hardcourt outdoor Win
Hold
81.8%
Break
40.0%
16.12.2025 Guillaume Dalmasso vs Illya MaksymchukUTR Pro Honolulu 6-1 6-4Hardcourt outdoor Win
Hold
88.9%
Break
50.0%
14.12.2025 Guillaume Dalmasso vs Georgio SamahaUTR Pro Honolulu 6-2 7-6Hardcourt outdoor Win
Hold
80.0%
Break
36.4%
12.12.2025Final Guillaume Dalmasso vs Carson BakerUTR Pro Honolulu 3-6 3-6Hardcourt outdoor Loss
Hold
44.4%
Break
22.2%
12.12.2025SF Guillaume Dalmasso vs Ethan TerryUTR Pro Honolulu 7-5 6-1Hardcourt outdoor Win
Hold
90.0%
Break
44.4%
10.12.2025 Guillaume Dalmasso vs Aram NoroozianUTR Pro Honolulu 3-6 4-6Hardcourt outdoor Loss
Hold
66.7%
Break
10.0%
10.12.2025 Guillaume Dalmasso vs Timothy LiUTR Pro Honolulu 6-1 6-4Hardcourt outdoor Win
Hold
75.0%
Break
66.7%
09.12.2025 Guillaume Dalmasso vs Noah ZamoraUTR Pro Honolulu 5-7 2-6Hardcourt outdoor Loss
Hold
70.0%
Break
0.0%
08.12.2025 Guillaume Dalmasso vs Henry RenUTR Pro Honolulu 6-3 6-7 6-3Hardcourt outdoor Win
Hold
80.0%
Break
50.0%
10.11.2025Round 19 Guillaume Dalmasso vs Mikael ArseneaultChallenger Drummondville 6-3 4-6 3-6Hardcourt indoor Loss
Hold
78.6%
Break
14.3%
09.11.2025Round 14 Guillaume Dalmasso vs Adam FaragcaoChallenger Drummondville 7-6 6-1Hardcourt indoor Win
Hold
100.0%
Break
27.3%
06.11.2025 Guillaume Dalmasso vs Maks KasnikowskiITF M25 Montreal 1-6 3-6Hardcourt indoor Loss
Hold
50.0%
Break
0.0%
05.11.2025 Guillaume Dalmasso vs Adam FaragcaoITF M25 Montreal 7-6 3-6 7-5Hardcourt indoor Win
Hold
81.2%
Break
16.7%
31.10.2025 Guillaume Dalmasso vs Theodore DeanITF M15 Trois-Rivieres 6-2 3-6 0-6Hardcourt indoor Loss
Hold
63.6%
Break
16.7%
30.10.2025 Guillaume Dalmasso vs Volodymyr GurenkoITF M15 Trois-Rivieres 3-6 6-1 6-4Hardcourt indoor Win
Hold
84.6%
Break
30.8%
28.10.2025 Guillaume Dalmasso vs Benjamin Thomas GeorgeITF M15 Trois-Rivieres 6-1 5-2Hardcourt indoor Win
Hold
100.0%
Break
57.1%
28.09.2025Round 14 Guillaume Dalmasso vs Remy BertolaChallenger Mouilleron le Captif 3-6 4-6Hardcourt indoor Loss
Hold
66.7%
Break
10.0%
26.09.2025 Guillaume Dalmasso vs Matyas FueleITF M15 Budapest 5-7 3-6Hardcourt outdoor Loss
Hold
70.0%
Break
9.1%
25.09.2025 Guillaume Dalmasso vs Achilles BelkovicsITF M15 Budapest 2-6 7-5 6-3Hardcourt outdoor Win
Hold
78.6%
Break
26.7%
23.09.2025 Guillaume Dalmasso vs Yujiro OnumaITF M15 Budapest 6-3 6-4Hardcourt outdoor Win
Hold
100.0%
Break
22.2%
12.09.2025 Guillaume Dalmasso vs Leyton RiveraITF M15 Madrid 6-0 7-5Clay Win
Hold
88.9%
Break
55.6%
11.09.2025 Guillaume Dalmasso vs Lucca Helguera CasadoITF M15 Madrid 4-6 6-4 6-4Clay Win
Hold
73.3%
Break
33.3%
10.09.2025 Guillaume Dalmasso vs Luis Garcia PaezITF M15 Madrid 6-1 6-3Clay Win
Hold
100.0%
Break
50.0%
05.09.2025 Guillaume Dalmasso vs Kristjan TammITF M25 Bagneres-De-Bigorre 5-7 2-6Hardcourt outdoor Loss
Hold
60.0%
Break
11.1%
03.09.2025 Guillaume Dalmasso vs Elijah SanogoITF M25 Bagneres-De-Bigorre 6-4 6-2Hardcourt outdoor Win
Hold
88.9%
Break
44.4%
30.08.2025 Guillaume Dalmasso vs Matyas FueleITF M15 Budapest 3-6 4-6Hardcourt outdoor Loss
Hold
-
Break
-
28.08.2025 Guillaume Dalmasso vs Edison AmbarzumjanITF M15 Budapest 6-4 6-1Hardcourt outdoor Win
Hold
-
Break
-
27.08.2025 Guillaume Dalmasso vs Peter SallayITF M15 Budapest 7-6 6-3Hardcourt outdoor Win
Hold
100.0%
Break
16.7%
24.07.2025 Guillaume Dalmasso vs Kaeri Hernandez MarionaITF M15 Santa Tecla 4-6 6-4 6-2Hardcourt outdoor Win
Hold
-
Break
-
15.07.2025 Guillaume Dalmasso vs Alex FinkelsteinITF M15 Santa Tecla 4-6 6-4 7-5Hardcourt outdoor Win
Hold
-
Break
-
27.06.2025 Guillaume Dalmasso vs Mert Naci TurkerITF M15 Kayseri 1-6 0-6Hardcourt outdoor Loss
Hold
16.7%
Break
0.0%
26.06.2025 Guillaume Dalmasso vs Savva RybkinM15 Kayseri 6-2 6-4Hardcourt outdoor Win
Hold
-
Break
-
24.06.2025 Guillaume Dalmasso vs Axel NefveM15 Kayseri 7-6 6-2Hardcourt outdoor Win
Hold
-
Break
-
19.06.2025 Guillaume Dalmasso vs Axel NefveM15 Kayseri 2-6 5-7Hardcourt outdoor Loss
Hold
-
Break
-
17.06.2025 Guillaume Dalmasso vs Eric Jr. OlivarezM15 Kayseri 6-3 4-6 6-2Hardcourt outdoor Win
Hold
-
Break
-
10.06.2025 Guillaume Dalmasso vs Juan Sebastian OsorioITF M15 Kayseri 6-4 4-6 4-6Hardcourt outdoor Loss
Hold
73.3%
Break
20.0%
02.06.2025 Guillaume Dalmasso vs Mathieu ScagliaITF M25 Grasse 2-6 4-6Clay Loss
Hold
44.4%
Break
22.2%