Career record
15 matches12–3
Win–loss
—
Hard · 0–0
80%
Clay · 12–3
—
Grass · 0–0
2025
5 matches · 3–2 · 60.0%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Red Clay | 5 | 3 | — | 12 | 21 | 56% | 38% | — | — | — |
2024
3 matches · 0–3 · 0.0%| Surface | M | W | Titles | Aces | DF | 1st serve | BP conv. | Winners | UE | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| Red Clay | 3 | 0 | — | 6 | 13 | 62% | 20% | — | — | — |
M = matches · W = wins · DF = double faults · BP conv. = break points converted · UE = unforced errors · TB = tiebreaks won–lost.
08:30
Hamburg, Germany
hard
J. Kumstat
A. Wazny
–
–
FT
Liberec, Czech Republic
clay
J. Kumstat
(WC)
G. Bueno
(2)
6
3
6
1
2
0
FT
Liberec, Czech Republic
clay
J. Kumstat
(WC)
S. Nagal
(7)
7
5
6
4
2
0
FT
Liberec, Czech Republic
clay
J. Kumstat
(WC)
F. Ferreira Silva
(8)
6
4
7
5
2
0
FT
Liberec, Czech Republic
clay
J. Kumstat
(WC)
T. Wild
6
4
6
2
2
0
FT
Liberec, Czech Republic
clay
Z. Kolar
(1)
J. Kumstat
(WC)
2
6
6
4
3
6
1
2
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
T. Gentzsch
(5)
J. Kumstat
(Q)
7
5
6
4
2
0
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
J. Kumstat
(Q)
T. Boogaard
(WC)
6
1
6
1
2
0
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
J. Kumstat
(Q)
F. Broska
6
7
6
4
6
4
2
1
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
H. Squire
(7)
J. Kumstat
(Q)
3
6
1
6
0
2
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
M. Alves
(3)
J. Kumstat
(11)
3
6
3
6
0
2
FT
ATP Challenger Bunschoten, Netherlands Men Singles
clay
L. Raquillet
J. Kumstat
(11)
6
7
4
6
0
2
FT
Troyes, France
clay
J. Kumstat
(6)
P. Lagutin
6
7
2
6
0
2
FT
Prostejov, Czech Republic
clay
V. Sachko
J. Kumstat
(Q)
5
7
6
0
6
3
2
1
FT
Prostejov, Czech Republic
clay
O. Prihodko
(5)
J. Kumstat
(WC)
4
6
7
6
2
6
1
2
FT
Prostejov, Czech Republic
clay
J. Kumstat
(WC)
J. Nam
(A)
6
4
6
4
2
0
—
Prostejov, Czech Republic
clay
J. Kumstat
S. Sorger
–
–