Live points verified daily against the official ranking: 998 of 1,000 in the ATP top 1,000 match to the point. How we check ›
Stefan Kozlov, a 28-year-old American professional, holds the #287 spot in the live ATP rankings with 188 points. Kozlov climbed 9 places in the latest ranking update. Standing 183 cm, Kozlov is a right-hander with a two-handed backhand.
Kozlov turned professional in 2013 and was born in Skopje, Macedonia. Our rating model puts Kozlov at 1578 ELO across 150 rated matches, strongest on hard courts (1541). Kozlov's next scheduled points drop is 2 points from Chicago Challenger on August 3, 2026, when that result rolls off the 52-week ranking, and 18 results currently count toward Kozlov's ranking total.
<a href="https://atprank.com/player/stefan-kozlov"><img src="https://atprank.com/api/card/player/stefan-kozlov" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Stefan Kozlov won as the betting underdog, ranked by pre-match odds.
Yibing WuNewport Challenger 2026 · 6-4 2-6 6-4@4.80def. 
Denis KudlaSarasota Challenger 2024 · 6-2 4-6 6-2@3.68def. 
Clement TaburKigali 1 Challenger 2024 · 6-4 7-6(4)@3.38def. 
Mikhail KukushkinOeiras 1 Challenger 2026 · 6-4 6-2@2.43def. Gabriel DebruIndian Wells 1 Challenger 2024 · 6-1 3-6 6-2@2.42Stefan Kozlov’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Daniil GlinkaSavannah Challenger 2026 · 6-2 6-3ELO 1627def. Oliver CrawfordTallahassee Challenger 2024 · 6-2 6-2ELO 1623def. 
Robert StrombachsOeiras 1 Challenger 2026 · 6-3 5-0 ret.ELO 1612def. Dmitry PopkoSioux Falls Challenger 2024 · 7-6(3) 4-6 6-4ELO 1609def. Raphael PerotCleveland Challenger 2026 · 7-6(5) 3-6 6-3ELO 1608Last match Jul 10, 2026 · last win Jul 9, 2026
1 points behind Federico Bondioli at #286.
Points needed to reach each tier, assuming other players’ totals stay the same.
Valid results outside the best-18 that don't count toward the ranking right now — they promote in as counting results drop off.
Stefan Kozlov's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.