S. Kostic is a ATP tennis player. Current clay-court ELO 1000 (1-18). Recent form: 1-14 over the last 15 matches.
| Date | | Opponent | Score | Event |
|---|
| March 18, 2026 |
L |
B. O'Connell |
2 - 0 |
M15 Wodonga (Australia), Grass |
| Sept. 10, 2025 |
L |
J. B. Otegui |
2 - 0 |
M15 Kursumlijska Banja 16 · clay |
| July 10, 2025 |
L |
A. Pisaric |
0 - 2 |
M15 Kursumlijska Banja 10 · clay |
| June 18, 2025 |
L |
P. L. Pinter |
0 - 2 |
M15 Kursumlijska Banja 7 · clay |
| May 14, 2025 |
L |
K. Bennani |
0 - 2 |
M15 Kursumlijska Banja 3 · clay |
| Aug. 28, 2024 |
L |
I. Miletich |
0 - 2 |
ITF M15 Kursumlijska Banja 16 Men · clay |
| Aug. 21, 2024 |
L |
D. Azoidis |
0 - 2 |
ITF M15 Pirot Men · clay |
| Aug. 14, 2024 |
L |
S. Latinovic |
2 - 0 |
ITF M15 Kursumlijska Banja 15 Men · clay |
| Aug. 8, 2024 |
L |
T. Compagnucci |
0 - 2 |
ITF M15 Kursumlijska Banja 14 Men · clay |
| Aug. 7, 2024 |
W |
R. Hadzimehmedovic |
0 - 2 |
ITF M15 Kursumlijska Banja 14 Men · clay |
| July 31, 2024 |
L |
F. Ribero |
0 - 2 |
ITF M15 Kursumlijska Banja 13 Men · clay |
| July 23, 2024 |
L |
J. M. La Serna |
2 - 0 |
ITF M15 Kursumlijska Banja 12 Men · clay |
| July 17, 2024 |
L |
L. Gagliardo |
0 - 2 |
ITF M15 Kursumlijska Banja 11 Men · clay |
| July 3, 2024 |
L |
B. Torrealba |
2 - 0 |
ITF M15 Kursumlijska Banja 9 Men · clay |
| June 18, 2024 |
L |
A. Nedic |
0 - 2 |
ITF M15 Kursumlijska Banja 8 Men · clay |