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Guillaume Dalmasso

23 year old

France

14 Oct 2002

2025 - 2024 - 2023 - 2022

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2025

2024

2023

2022

Guillaume Dalmasso

38 - 30win/loss

Hard

32-19

63%

I Hard

5-7

42%

Clay

1-3

25%

Carpet

0-1

0%

Next Tournaments

Drummondville Challenger

I.hard

Mikael Arseneault

M.Arseneault
CAN Loss
3-6 6-4 6-3

Q.
10 Nov 25

L

Adam Farag Cao

A.Cao
CAN
7-6⁵ 6-1

q1
09 Nov 25

W

M25 Montreal

I.hard

Maks Kasnikowski

M.Kasnikowski
POL Loss
6-1 6-3

2^nd
06 Nov 25

L

Adam Farag Cao

A.Cao
CAN
7-6⁶ 3-6 7-5

1^st
05 Nov 25

W

M15 Trois-Rivieres

I.hard

Theodore Dean

T.Dean
USA Loss
2-6 6-3 6-0

1/4
31 Oct 25

L

Volodymyr Gurenko

V.Gurenko
UKR
3-6 6-1 6-4

2^nd
30 Oct 25

W

Benjamin Thomas George

B.George
CAN
6-1 6-2

1^st
28 Oct 25

W

Mouilleron-Le-Captif Challenger

I.hard

Remy Bertola

R.Bertola
SUI Loss
6-3 6-4

q1
28 Sep 25

L

M15 Budapest

Hard

Matyas Fuele

M.Fuele
HUN Loss
7-5 6-3

1/4
26 Sep 25

L

Achilles Belkovics

A.Belkovics
HUN
2-6 7-5 6-3

2^nd
25 Sep 25

W

Yujiro Onuma

Y.Onuma
GBR
6-3 6-4

1^st
23 Sep 25

W

M15 Madrid

Hard

Giles Hussey

G.Hussey
GBR Loss
6-1 7-6⁵

1/2
13 Sep 25

L

Leyton Rivera

L.Rivera
NOR
6-0 7-5

1/4
12 Sep 25

W

Lucca Helguera Casado

L.Casado
ESP
4-6 6-4 6-4

2^nd
11 Sep 25

W

Luis Garcia Paez

L.Paez
ESP
6-1 6-3

1^st
10 Sep 25

W

M25+H Bagneres-de-Bigorre

Hard

Kristjan Tamm

K.Tamm
EST Loss
7-5 6-2

2^nd
05 Sep 25

L

Elijah Sanogo

E.Sanogo
FRA
6-4 6-2

1^st
03 Sep 25

W

M15 Budapest

Hard

Matyas Fuele

M.Fuele
HUN Loss
6-3 6-4

1/2
30 Aug 25

L

Benjamin Gusic Wan

B.Wan
GBR
6-1 6-4

1/4
29 Aug 25

W

Edison Ambarzumjan

E.Ambarzumjan
GER
6-4 6-1

2^nd
28 Aug 25

W

Peter Sallay

P.Sallay
HUN
7-6² 6-3

1^st
27 Aug 25

W

M25 Southaven

Hard

Rudy Quan

R.Quan
USA Loss
6-2 6-3

1^st
05 Aug 25

L

M15 Santa Tecla

Hard

Pietro Orlando Fellin

P.Fellin
ITA Loss
7-6⁵ 6-2

Fin.
27 Jul 25

L

Daniel Milavsky

D.Milavsky
USA
7-6⁵ 6-7⁴ 6-0

1/2
26 Jul 25

W

Victor Lilov

V.Lilov
USA
7-6⁴ 6-3

1/4
25 Jul 25

W

Kaeri Hernandez Mariona

K.Mariona
GUA
4-6 6-4 6-2

2^nd
24 Jul 25

W

Anders Matta

A.Matta
USA
6-0 6-1

1^st
22 Jul 25

W

M15 Santa Tecla

Hard

Daniel Milavsky

D.Milavsky
USA Loss
6-4 7-5

1/4
18 Jul 25

L

Stephen Slocombe

S.Slocombe
BAR
6-2 6-0

2^nd
17 Jul 25

W

Alex Finkelstein

A.Finkelstein
USA
4-6 6-4 7-5

1^st
15 Jul 25

W

M25+H Ajaccio

Hard

Pietro Orlando Fellin

P.Fellin
ITA Loss
4-6 7-6¹ 6-1

2^nd
03 Jul 25

L

Alexander Van Hulst

A.Hulst
NED
6-2 6-2

1^st
02 Jul 25

W

M15 Kayseri

Hard

Mert Naci Turker

M.Turker
TUR Loss
6-1 6-0

1/4
27 Jun 25

L

Savva Rybkin

S.Rybkin
RUS
6-2 6-4

2^nd
26 Jun 25

W

Axel Nefve

A.Nefve
USA
7-6⁵ 6-2

1^st
24 Jun 25

W

M15 Kayseri

Hard

Axel Nefve

A.Nefve
USA Loss
6-2 7-5

2^nd
19 Jun 25

L

Eric Jr. Olivarez

E.Olivarez
PHI
6-3 4-6 6-2

1^st
17 Jun 25

W

M15 Kayseri

Hard

Juan Sebastian Osorio

J.Osorio
COL Loss
4-6 6-4 6-4

1^st
10 Jun 25

L

M25 Grasse

Clay

Alex Barrena

A.Barrena
ARG Loss
6-2 6-2

1^st
03 Jun 25

L

Mathieu Scaglia

M.Scaglia
FRA Loss
6-2 6-4

Q.
02 Jun 25

L

Pierre Antoine Tailleu

P.Tailleu
FRA
6-4 7-6⁶

q1
01 Jun 25

W

M25 Carnac

Clay

Jelle Sels

J.Sels
NED Loss
6-2 5-7 6-2

1^st
27 May 25

L

Abidjan 2 Challenger

Hard

Philip Henning

P.Henning
RSA Loss
6-7⁴ 7-6⁶ 6-2

1^st
22 Apr 25

L

Luca Potenza

L.Potenza
ITA
7-6⁵ 3-6 6-4

Q.
21 Apr 25

W

Abdoulaziz Bationo

A.Bationo
CIV
6-3 6-4

q1
20 Apr 25

W

Abidjan 1 Challenger

Hard

Yanki Erel

Y.Erel
TUR Loss
3-6 6-3 3-0 ret.

Q.
14 Apr 25

L

Jean-Paul Kadangah Kili

J.Kili
TOG
6-2 6-2

q1
13 Apr 25

W

M15 Heraklion

Hard

Stuart Parker

S.Parker
GBR Loss
6-2 6-1

2^nd
03 Apr 25

L

Michalis Sakellaridis

M.Sakellaridis
GRE
6-4 6-2

1^st
02 Apr 25

W

M15 Heraklion

Hard

Petros Tsitsipas

P.Tsitsipas
GRE Loss
7-6⁴ 6-3

2^nd
27 Mar 25

L

Johan Nikles

J.Nikles
SUI
7-5 6-0

1^st
26 Mar 25

W

M25 Toulouse-Balma

I.hard

Julien Dando

J.Dando
FRA Loss
6-1 6-4

q1
16 Mar 25

L

M25 Creteil

I.hard

Amaury Raynel

A.Raynel
FRA Loss
6-1 7-6⁴

2^nd
13 Mar 25

L

William Jucha

W.Jucha
FRA
3-6 6-3 7-5

1^st
11 Mar 25

W

M25 Trimbach

Carpet

Matthew William Donald

M.Donald
CZE Loss
6-3 6-2

1^st
05 Mar 25

L

M25 Trento

I.hard

Giovanni Fonio

G.Fonio
ITA Loss
6-4 3-6 7-6⁵

1^st
18 Feb 25

L

M15 Monastir

Hard

Lorenzo Carboni

L.Carboni
ITA Loss
6-1 6-2

1^st
05 Feb 25

L

Andrin Casanova

A.Casanova
SUI
7-6⁵ 6-3

Q.
04 Feb 25

W

Avi Shugar

A.Shugar
USA
6-4 6-4

q2
03 Feb 25

W

Nicolas Parizzia

N.Parizzia
SUI
6-2 6-4

q1
02 Feb 25

W

M15 Monastir

Hard

Sebastian Prechtel

S.Prechtel
GER Loss
7-6⁸ 6-3

1^st
29 Jan 25

L

M15 Kingston

Hard

Sebastian Gima

S.Gima
ROU Loss
7-6² 6-2

2^nd
16 Jan 25

L

Michael Zhu

M.Zhu
USA
4-6 6-2 6-4

1^st
15 Jan 25

W

M15 Kingston

Hard

Daniel Milavsky

D.Milavsky
USA Loss
6-4 6-7⁴ 7-5

Fin.
12 Jan 25

L

Andrew Fenty

A.Fenty
USA
6-2 6-3

1/2
11 Jan 25

W

Gabriel Evans

G.Evans
USA
6-1 6-3

1/4
10 Jan 25

W

Drew Van Orderlain

D.Orderlain
USA
6-4 6-4

2^nd
09 Jan 25

W

Evan Sharygin

E.Sharygin
USA
6-2 6-1

1^st
08 Jan 25

W

Career Titles - 0

Year	Sum.	Hard	Clay	I.hard	Grass	Carpet
2025	38-30	32-19	1-3	5-7	0-0	0-1
2024	20-13	19-11	0-0	1-2	0-0	0-0
2023	9-11	9-11	0-0	0-0	0-0	0-0
2022	8-4	8-4	0-0	0-0	0-0	0-0
Total	75-58	68-45	1-3	6-9	0-0	0-1

Ranking History