Lukas Klein
Lukas Klein SVK
World Ranking # 136
Handedness right
Year Turned Pro 0
Height 193 cm
Weight 85 kg
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Latest Results

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Australian Open

Result
Qual - Men's Singles
M. Zheng
 
4 6 7
L. Klein (28)
 
6 3 6

Australian Open

Result
Qual - Men's Singles
D. Merida
 
3 7 4
L. Klein (28)
 
6 6 6

Australian Open

Result
Qual - Men's Singles
Z. Piros
 
4 4
L. Klein (28)
 
6 6

ATP Challenger Canberra, Australia

Result
R16 - Men's Singles
V. Kopriva (1)
 
7 7
L. Klein
 
6 6

ATP Challenger Canberra, Australia

Result
R32 - Men's Singles
M. Cassone
 
6 5 3
L. Klein
 
4 7 6

Czech Tennis Extraliga

Result
Group 1 - Men's Singles
L. Klein
 
3 6 6
F. Marozsan
 
6 2 4

Czech Tennis Extraliga

Result
Group 1 - Men's Singles
L. Klein
 
6 6
L. Pokorny
 
4 3

Hellenic Championship

Result
Qual - Men's Singles
Y. Hanfmann
 
6 6
L. Klein (8)
 
2 4

ATP Challenger Bratislava 2, Slovakia

Result
R32 - Men's Singles
R. Collignon (1)
 
3 6 7
L. Klein
 
6 3 6

Erste Bank Open

Result
Qual - Men's Singles
L. Klein
 
6 6
T. Schoolkate
 
7 7

ATP Challenger Alicante, Spain

Result
R32 - Men's Singles
V. Durasovic
 
7 6
L. Klein (4)
 
6 2

ATP Challenger Orleans, France

Result
R16 - Men's Singles
L. Klein (4)
 
3 6 3
P. Kypson
 
6 3 6

ATP Challenger Orleans, France

Result
R32 - Men's Singles
L. Klein (4)
 
3 6 7
H. Grenier
 
6 4 6

ATP Challenger Istanbul, Turkey

Result
R16 - Men's Singles
L. Klein (1)
 
7 2 5
M. Karol
 
6 6 7

ATP Challenger Istanbul, Turkey

Result
R32 - Men's Singles
L. Klein (1)
 
6 6
S. Purtseladze
 
4 3

US Open

Result
Qual - Men's Singles
L. Klein (14)
 
2 4
F. Gomez
 
6 6

ATP Challenger Sumter, USA

Result
QF - Men's Singles
M. Bellucci (3)
 
6 6
L. Klein (8)
 
4 2

ATP Challenger Sumter, USA

Result
R16 - Men's Singles
J. McCabe
 
5 1
L. Klein (8)
 
7 6

ATP Challenger Zug, Switzerland

Result
F - Men's Singles
H. Mayot (4)
 
2 7 4
L. Klein
 
6 6 6

ATP Challenger Zug, Switzerland

Result
SF - Men's Singles
J. Paul
 
1 4
L. Klein
 
6 6

ATP Challenger Zug, Switzerland

Result
QF - Men's Singles
L. Klein
 
6 7
M. Huesler (2)
 
2 5

ATP Challenger Zug, Switzerland

Result
R16 - Men's Singles
L. Klein
 
6 3 6
H. Bernet
 
4 6 3

ATP Challenger Sumter, USA

Retired
R32 - Men's Singles
R. Seggerman
 
4
L. Klein (8)
 
6

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News

Five things to follow in final round of AO qualifying: Sloane Stephens' comeback, Coleman Wong's push
Australian Open

Five things to follow in final round of AO qualifying: Sloane Stephens' comeback, Coleman Wong's push

Plus: four of the 2025 Next Gen ATP Finals competitors are a win away from making the main draw.

By TENNIS.com Jan 14, 2026
Lukas Klein the new king of the ATP Challenger Tour with back-to-back titles
ATP Challenger Tour

Lukas Klein the new king of the ATP Challenger Tour with back-to-back titles

With his 10th consecutive win, the Slovak is closing in on the Top 100.

By Florian Heer Jul 28, 2025
"A special place in my heart!": Lukas Klein triumphs in San Marino
ATP Challenger Tour

"A special place in my heart!": Lukas Klein triumphs in San Marino

Slovak ends 18-month wait for an ATP Challenger Tour title, while Daniel Merida celebrates his first trophy on home soil.

By Florian Heer Jul 21, 2025