Stefan Kostic (AUS)
Country: Australia,
Born in 2006 (19 years old),
Category: ATP
ATP Ranking
-
Season High : 2128
Career High : 2114
ITF Ranking
-
Career High : 2201
| Tierlevel | Tourn. | Titles | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 |
|---|---|---|---|---|---|---|---|---|---|---|
| M15 | 3 | 0 | 3 | 0 | 3 | 0.000 | 0 | 0 | 0 | 0 |
Tournaments played in 2025
See detailed tennis results of Stefan Kostic| Sep 22 | M25 | [Q] | M25 Zlatibor 22, Zlatibor(SRB) |
| Sep 15 | M15 | [Q] | M15 Kursumlijska Banja 21, Kursumlijska Banja(SRB) |
| Sep 08 | M15 | [Q] | M15 Kursumlijska Banja 20, Kursumlijska Banja(SRB) |
| Sep 01 | M15 | [Q] | M15 Kursumlijska Banja 19, Kursumlijska Banja(SRB) |
| Aug 18 | M15 | [Q] | M15 Pirot 18, Pirot(SRB) |
| Aug 11 | M15 | [Q] | M15 Pirot 17, Pirot(SRB) |
| Jul 21 | M15 | [Q] | M15 Kursumlijska Banja 14, Kursumlijska Banja(SRB) |
| Jul 07 | M15 | 1/16 | M15 Kursumlijska Banja 12, Kursumlijska Banja(SRB) |
| Jun 23 | M15 | [Q] | M15 Kursumlijska Banja 10, Kursumlijska Banja(SRB) |
| Jun 16 | M15 | 1/16 | M15 Kursumlijska Banja 09, Kursumlijska Banja(SRB) |
| Jun 09 | M15 | [Q] | M15 Kursumlijska Banja 08, Kursumlijska Banja(SRB) |
| Jun 02 | M25 | [Q] | M25 Belgrade 07, Belgrade(SRB) |
| May 19 | M15 | [Q] | M15 Kursumlijska Banja 05, Kursumlijska Banja(SRB) |
| May 12 | M15 | 1/16 | M15 Kursumlijska Banja 04, Kursumlijska Banja(SRB) |
| Apr 28 | M15 | [Q] | M15 Kursumlijska Banja 02, Kursumlijska Banja(SRB) |
| Apr 21 | M15 | [Q] | M15 Kursumlijska Banja 01, Kursumlijska Banja(SRB) |








