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Leo Vithoontien

26 year old Japan

Japan

18 Aug 1999

2025 - 2024 - 2023 - 2022

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Select Year

2025

2024

2023

2022

Leo Vithoontien

26 - 31win/loss

Hard

22-24

48%

I Hard

2-2

50%

Clay

2-5

29%

Next Tournaments

Playford Challenger

Hard

Takuya Kumasaka

T.Kumasaka
JPN Loss
6-3 6-2

Q.
24 Nov 25

L

Brandon Walkin

B.Walkin
AUS
w/o

q1
23 Nov 25

W

Sydney Challenger

Hard

Marc Polmans

M.Polmans
AUS Loss
6-3 6-3

Q.
17 Nov 25

L

Brandon Walkin

B.Walkin
AUS
6-7⁵ 5-1 ret.

q1
16 Nov 25

W

Brisbane 3 Challenger

Hard

Carl Emil Overbeck

C.Overbeck
DEN Loss
6-2 7-6¹

2^nd
13 Nov 25

L

Jason Murray Kubler

J.Kubler
AUS
6-3 3-6 6-3

1^st
11 Nov 25

W

Takuya Kumasaka

T.Kumasaka
JPN
6-4 3-6 6-2

Q.
10 Nov 25

W

Duje Markovina

D.Markovina
CRO
6-3 7-6⁶

q1
09 Nov 25

W

Taipei Challenger

I.hard

Shinji Hazawa

S.Hazawa
JPN Loss
5-7 6-3 6-4

Q.
03 Nov 25

L

Kai-I Wang

K.Wang
TPE
6-3 6-2

q1
02 Nov 25

W

M15 Hua Hin

Hard

Arthur Weber

A.Weber
FRA Loss
6-3 7-5

1/4
31 Oct 25

L

Krittin Koaykul

K.Koaykul
THA
6-1 6-1

2^nd
30 Oct 25

W

Digvijaypratap Singh

D.Singh
IND
6-3 6-3

1^st
28 Oct 25

W

M15 Hua Hin

Hard

Isaac Becroft

I.Becroft
NZL Loss
6-3 3-6 6-3

1^st
21 Oct 25

L

M25 Perth

Hard

Ajeet Rai

A.Rai
NZL Loss
6-1 6-3

1^st
08 Oct 25

L

M25 Perth

Hard

Pavle Marinkov

P.Marinkov
AUS Loss
6-4 6-1

2^nd
02 Oct 25

L

Masamichi Imamura

M.Imamura
JPN
6-1 6-4

1^st
01 Oct 25

W

M25 Takasaki

Hard

Yamato Sueoka

Y.Sueoka
JPN Loss
4-6 6-1 12-10

q1
14 Sep 25

L

M25 Sapporo

Hard

Hayato Matsuoka

H.Matsuoka
JPN Loss
6-2 6-4

1^st
09 Sep 25

L

M25 Nakhon Pathom

Hard

Mukund Sasikumar

M.Sasikumar
IND Loss
6-0 6-4

1/4
05 Sep 25

L

Jirat Navasirisomboon

J.Navasirisomboon
THA
6-3 6-2

2^nd
04 Sep 25

W

Khomtat Kitthachok

K.Kitthachok
THA
6-0 6-3

1^st
03 Sep 25

W

M15 Nakhon Pathom

Hard

Fitriadi M Rifqi

F.Rifqi
INA Loss
4-6 6-4 6-4

1/4
29 Aug 25

L

Yuta Tomida

Y.Tomida
JPN
6-2 3-6 6-2

2^nd
28 Aug 25

W

Noppadol Noikor

N.Noikor
THA
6-3 6-2

1^st
26 Aug 25

W

M15 Huntsville

Clay

Ryan Dickerson

R.Dickerson
USA Loss
6-4 6-4

2^nd
13 Aug 25

L

Saahil Gupte

S.Gupte
USA
6-3 6-0

1^st
12 Aug 25

W

M25 Southaven

Hard

Strong Kirchheimer

S.Kirchheimer
USA Loss
7-5 4-6 6-1

1^st
06 Aug 25

L

M25 Edwardsville

Hard

Marko Miladinovic

M.Miladinovic
SRB Loss
4-6 6-3 6-3

2^nd
31 Jul 25

L

Adhithya Ganesan

A.Ganesan
USA
7-6² 3-6 6-4

1^st
30 Jul 25

W

M25 Champaign

Hard

Matthew Forbes

M.Forbes
USA Loss
6-1 6-2

2^nd
24 Jul 25

L

Jacob Brumm

J.Brumm
USA
6-3 6-4

1^st
22 Jul 25

W

M15 Rochester

Clay

Michael Antonius

M.Antonius
USA Loss
6-3 4-1 ret.

1^st
16 Jul 25

L

M25 Dallas

I.hard

Dhakshineswar Suresh

D.Suresh
IND Loss
6-2 6-3

1/4
11 Jul 25

L

Oliver Anderson

O.Anderson
AUS
w/o

2^nd
10 Jul 25

W

Alexander Rozin

A.Rozin
CAN
6-4 6-2

1^st
09 Jul 25

W

Cary Challenger

Hard

Hyeon Chung

H.Chung
KOR Loss
6-2 6-4

q1
29 Jun 25

L

M15 Lakewood

Hard

Quinn Vandecasteele

Q.Vandecasteele
USA Loss
6-3 7-6⁴

1^st
24 Jun 25

L

M15 Rancho Santa Fe

Hard

Moerani Bouzige

M.Bouzige
AUS Loss
7-6³ 6-2

2^nd
19 Jun 25

L

Joao Vitor Goncalves Ceolin

J.Ceolin
BRA
6-4 6-2

1^st
18 Jun 25

W

M15 San Diego

Hard

Alafia Ayeni

A.Ayeni
USA Loss
6-4 6-7² 6-1

2^nd
12 Jun 25

L

William Kleege

W.Kleege
USA
6-1 6-2

1^st
11 Jun 25

W

M15 San Diego

Hard

Oliver Tarvet

O.Tarvet
GBR Loss
6-0 6-0

Fin.
08 Jun 25

L

Alexander Kotzen

A.Kotzen
USA
6-3 4-6 7-6⁴

1/2
07 Jun 25

W

Phillip Jordan

P.Jordan
USA
6-0 5-7 7-6⁴

1/4
06 Jun 25

W

Bryce Nakashima

B.Nakashima
USA
6-3 7-5

2^nd
05 Jun 25

W

Jaden Weekes

J.Weekes
CAN
6-4 6-4

1^st
04 Jun 25

W

M15 San Diego

Hard

Lucca Liu

L.Liu
USA Loss
6-2 6-7³ 6-2

2^nd
29 May 25

L

David Adamson

D.Adamson
USA
6-2 6-2

1^st
28 May 25

W

M25 Orlando

Clay

Jaden Weekes

J.Weekes
CAN Loss
6-3 6-4

Q.
20 May 25

L

Dillon Beckles

D.Beckles
USA
6-1 7-6²

q1
19 May 25

W

M15 Orlando

Clay

Jagger Leach

J.Leach
USA Loss
7-5 6-0

1^st
13 May 25

L

M25 Anning

Clay

Chase Ferguson

C.Ferguson
AUS Loss
6-4 6-1

1^st
29 Apr 25

L

M15 Osaka

Hard

Taisei Ichikawa

T.Ichikawa
JPN Loss
6-1 6-4

2^nd
24 Apr 25

L

Kazuki Nishiwaki

K.Nishiwaki
JPN
6-3 2-6 6-4

1^st
23 Apr 25

W

M15 Osaka

Hard

Hikaru Shiraishi

H.Shiraishi
JPN Loss
6-3 6-3

1^st
16 Apr 25

L

M15 Kashiwa

Hard

Filip Peliwo

F.Peliwo
CAN Loss
5-7 6-4 6-3

1^st
02 Apr 25

L

Brisbane 1 Challenger

Hard

Shinji Hazawa

S.Hazawa
JPN Loss
6-4 7-6⁵

Q.
27 Jan 25

L

Tai Sach

T.Sach
AUS
6-1 6-1

q1
26 Jan 25

W

Career Titles - 0

Year	Sum.	Hard	Clay	I.hard	Grass	Carpet
2025	26-31	22-24	2-5	2-2	0-0	0-0
2024	32-33	21-23	7-4	4-6	0-0	0-0
2023	30-25	24-16	2-5	4-4	0-0	0-0
2022	16-11	13-8	0-0	3-3	0-0	0-0
Total	104-100	80-71	11-14	13-15	0-0	0-0

Ranking History