Stefan Kostic is 0–0 in 2026 across 0 tournaments. Career: 3–29 (9.4%) with 0 titles.
2026 Record
0–0
— win rate
2026 Titles
0
0 events played
Career Record
3–29
0 titles
Career High
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Stefan Kostic's 2026 season
| Tournament | Surface | Result | W–L | Dates |
|---|
2026 serve & return
Service points won
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Return points won
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Aces per match
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Break points saved
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Members
See every split for Stefan Kostic.
Full career history back to their first tour match, surface and opponent splits, rivalries, per-match serve and return numbers, percentile ratings and the custom model.
Frequently asked questions about Stefan Kostic
How old is Stefan Kostic?
Stefan Kostic is 20 years old, born October 16, 2006.
Where is Stefan Kostic from?
Stefan Kostic represents Australia.
What is Stefan Kostic's career record?
Stefan Kostic has a career singles record of 3–29 (9.4%) with 0 titles from 1 finals.
How is Stefan Kostic doing in 2026?
Stefan Kostic is 0–0 in 2026 with 0 titles from 0 tournaments.
Is Stefan Kostic left-handed or right-handed?
Stefan Kostic is right-handed.
Stats updated daily · 2026 season through —