Stefan Kostic
Updated
- Rating5825.47
- ATP rank#4026
- Last 105-5
- Last 300-0
- Current streak2 Losses
Match effects, last 365 days
| Date | Opponent | Opp Rank | Opp Rating | Score | Result | Effect | % of Ranking | Tour | Tournament | Note |
|---|---|---|---|---|---|---|---|---|---|---|
| 29.08.2026 | Erkut Aydin | 3208 | 5953.90 | 7-6 | Loss | 78.43 | 60.62% | ATP SINGLES / 29.08.2026 | Serbia Kursumlijska Banja XVI | |
| 24.08.2026 | Marko Nikolic | 1834 | 6157.82 | 6-3, 6-4 | Loss | 169.49 | 68.05% | ATP SINGLES / 24.08.2026 | Serbia Kursumlijska Banja XV | |
| 23.08.2026 | Dimitar Baychev | 6552 | 4894.03 | 6-1, 6-2 | Win | 0.00 | 115.76% | ATP SINGLES / 23.08.2026 | Serbia Kursumlijska Banja XV | |
| 22.08.2026 | Wayne Mcnicol | 11870 | 991.98 | 6-1, 6-0 | Win | 0.00 | 114.87% | ATP SINGLES / 22.08.2026 | Serbia Kursumlijska Banja XV | |
| 15.08.2026 | Pavlo Bodnarchuk | 4489 | 5736.10 | 2-6, 7-5, 1-0 | Loss | -34.82 | 99.77% | ATP SINGLES / 15.08.2026 | Serbia Kursumlijska Banja XIV | |
| 12.08.2026 | Aleksandar Tolev | 1926 | 6144.53 | 6-1, 6-3 | Loss | 104.29 | 35.45% | ATP SINGLES / 12.08.2026 | Serbia Kursumlijska Banja XIII | |
| 10.08.2026 | Caheer Warik | 3523 | 5906.04 | 6-3, 2-6, 1-0 | Win | 156.13 | 78.55% | ATP SINGLES / 10.08.2026 | Serbia Kursumlijska Banja XIII | |
| 09.08.2026 | Uros Zivkovic | 3837 | 5852.90 | 6-2, 6-1 | Win | 259.94 | 103.93% | ATP SINGLES / 09.08.2026 | Serbia Kursumlijska Banja XIII | |
| 08.08.2026 | Danilo Stojovic | 5668 | 5377.33 | 6-4, 7-6 | Win | -348.14 | 103.13% | ATP SINGLES / 08.08.2026 | Serbia Kursumlijska Banja XIII | |
| 01.08.2026 | Nemanja Sapic | 4321 | 5772.33 | 6-3, 6-4 | Loss | -215.99 | 57.00% | ATP SINGLES / 01.08.2026 | Serbia Kursumlijska Banja XII | |
| 11.07.2026 | Filippo Callerio | 2061 | 6121.39 | 6-1, 2-0 | Loss | 0.00 | 6.93% | ATP SINGLES / 11.07.2026 | Serbia Kursumlijska Banja IX | |
| 06.07.2026 | Alessandro Bellifemine | 1397 | 6244.04 | 6-1, 7-6 | Loss | 315.92 | 46.66% | ATP SINGLES / 06.07.2026 | Serbia Kursumlijska Banja VIII | |
| 05.07.2026 | Mattias Pisanu | 2956 | 5991.37 | 6-3, 3-6, 1-0 | Win | 224.90 | 66.14% | ATP SINGLES / 05.07.2026 | Serbia Kursumlijska Banja VIII | |
| 04.07.2026 | Filip Pavic | 5228 | 5539.13 | 6-3, 7-6 | Win | -171.33 | 78.76% | ATP SINGLES / 04.07.2026 | Serbia Kursumlijska Banja VIII | |
| 28.06.2026 | Stefan Cizelj-Zivkovic | 4171 | 5801.40 | 6-2, 6-4 | Loss | -199.07 | 37.60% | ATP SINGLES / 28.06.2026 | Serbia Kursumlijska Banja VII | |
| 27.06.2026 | Mikhail Khadzakos | 5080 | 5583.31 | 6-4, 6-3 | Win | -77.16 | 74.63% | ATP SINGLES / 27.06.2026 | Serbia Kursumlijska Banja VII | |
| 21.06.2026 | Thomas Patton | 2565 | 6048.00 | 6-3, 6-3 | Loss | 42.53 | 35.63% | ATP SINGLES / 21.06.2026 | Serbia Kursumlijska Banja VI | |
| 20.06.2026 | Romeo Elfving | 3539 | 5902.55 | 6-0, 1-6, 1-0 | Win | 240.84 | 47.14% | ATP SINGLES / 20.06.2026 | Serbia Kursumlijska Banja VI | |
| 13.06.2026 | Gabrielius Guzauskas | 2710 | 6030.08 | 7-5, 2-6, 1-0 | Loss | 259.16 | 61.42% | ATP SINGLES / 13.06.2026 | Serbia Kursumlijska Banja V | |
| 06.06.2026 | Aleksandar Lavrnja | 3181 | 5958.31 | 1-6, 7-6, 1-0 | Loss | 227.84 | 63.48% | ATP SINGLES / 06.06.2026 | Serbia Kursumlijska Banja IV | |
| 01.06.2026 | Aleksa Pisaric | 1251 | 6275.28 | 6-1, 6-1 | Loss | -0.00 | 10.18% | ATP SINGLES / 01.06.2026 | Serbia Kursumlijska Banja III | |
| 23.03.2026 | Adrian Arcon | 4058 | 5821.37 | 6-4, 6-3 | Loss | -166.95 | 20.78% | ATP SINGLES / 23.03.2026 | Australia Swan Hill | |
| 22.03.2026 | Kuma Ito | 3468 | 5915.49 | 6-4, 6-2 | Win | 277.53 | 35.36% | ATP SINGLES / 22.03.2026 | Australia Swan Hill | |
| 21.03.2026 | Stevie Young | 7093 | 4434.70 | 6-4, 6-3 | Win | -1225.77 | 35.08% | ATP SINGLES / 21.03.2026 | Australia Swan Hill | |
| 18.03.2026 | Benjamin O'Connell | 1134 | 6305.32 | 6-4, 6-4 | Loss | 329.85 | 22.86% | ATP SINGLES / 18.03.2026 | Australia Wodonga | |
| 16.03.2026 | Harry Roberts | 4979 | 5613.33 | 7-5, 6-2 | Win | -24.64 | 33.76% | ATP SINGLES / 16.03.2026 | Australia Wodonga | |
| 15.03.2026 | Luca Connaughton | 2827 | 6013.69 | 6-1, 6-3 | Win | 398.22 | 33.50% | ATP SINGLES / 15.03.2026 | Australia Wodonga | |
| 14.03.2026 | Aryan Karnani | 5168 | 5557.34 | 5-7, 7-5, 1-0 | Win | -251.46 | 33.24% | ATP SINGLES / 14.03.2026 | Australia Wodonga | |
| 02.03.2026 | Duje Markovina | 1081 | 6318.89 | 6-4, 6-2 | Loss | 228.95 | 15.15% | ATP SINGLES / 02.03.2026 | Australia Launceston | |
| 01.03.2026 | Harrison Satara | 2333 | 6080.65 | 7-6, 3-6, 1-0 | Win | 236.19 | 25.06% | ATP SINGLES / 01.03.2026 | Australia Launceston | |
| 23.02.2026 | Jamie Mackenzie | 608 | 6464.87 | 6-2, 6-2 | Loss | 0.00 | 9.57% | ATP SINGLES / 23.02.2026 | Australia Burnie | |
| 22.02.2026 | Jacquyn Colalancia | 6560 | 4886.16 | 6-1, 6-2 | Win | 0.00 | 28.50% | ATP SINGLES / 22.02.2026 | Australia Burnie | |
| 17.12.2025 | Jack Bruce Smith | 2670 | 6034.47 | 6-4, 6-3 | Loss | 46.15 | 9.92% | ATP SINGLES / 17.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 16.12.2025 | Jera Staley | 2583 | 6045.26 | 3-6, 6-1, 6-4 | Loss | 241.61 | 15.47% | ATP SINGLES / 16.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 15.12.2025 | Charlie Pade | 2221 | 6095.86 | 6-2, 6-3 | Loss | 54.24 | 6.98% | ATP SINGLES / 15.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 13.12.2025 | Aryan Karnani | 5168 | 5557.34 | 6-4, 6-3 | Loss | -430.98 | 9.62% | ATP SINGLES / 13.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 13.12.2025 | Casey Ambler | 3386 | 5929.43 | 6-1, 6-0 | Loss | -136.04 | 1.37% | ATP SINGLES / 13.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 12.12.2025 | Chase Zhao | 4824 | 5653.61 | 6-4, 6-4 | Win | -21.85 | 16.37% | ATP SINGLES / 12.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 11.12.2025 | Omar Jasika | 520 | 6500.87 | 6-4, 6-2 | Loss | 350.27 | 8.12% | ATP SINGLES / 11.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 08.12.2025 | Marcus Nield | 3841 | 5852.42 | 6-1, 6-4 | Loss | -141.05 | 6.61% | ATP SINGLES / 08.12.2025 | Australia AUS UTR Pro Tennis Series | |
| 07.12.2025 | Sam Young Mathers | 4915 | 5631.36 | 6-4, 4-6, 7-6 | Loss | -194.11 | 21.00% | ATP SINGLES / 07.12.2025 | Asia UTR Pro Tennis Series |