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 ›
Constantin Bittoun Kouzmine, a 27-year-old French professional, holds the #506 spot in the live ATP rankings with 87 points. Kouzmine climbed 2 places in the latest ranking update. Standing 178 cm, Kouzmine is a left-hander with a two-handed backhand.
Kouzmine turned professional in 2018 and was born in Paris. Our rating model puts Kouzmine at 1534 ELO across 259 rated matches, strongest on hard courts (1531). Kouzmine's next scheduled points drop is 1 point from M25 Brazzaville 1 on August 3, 2026, when that result rolls off the 52-week ranking, and 18 results currently count toward Kouzmine's ranking total.
<a href="https://atprank.com/player/constantin-bittoun-kouzmine"><img src="https://atprank.com/api/card/player/constantin-bittoun-kouzmine" 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 Constantin Bittoun Kouzmine won as the betting underdog, ranked by pre-match odds.
Cyril VandermeerschSt. Brieuc Challenger 2026 · 6-0 6-2@3.14def. 
Patrik RiklLiberec Challenger 2023 · 6-1 4-3 ret.@2.71def. 
Massimo GiuntaAbidjan 1 Challenger 2025 · 7-5 7-5@2.53def. Lucas BouquetM15 Cap d'Agde 1 2025 · 6-3 3-6 6-1@2.52def. 
Florian BroskaM15 Creteil 1 2023 · 6-4 6-7(4) 6-2@2.50Constantin Bittoun Kouzmine’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Filippo MoroniM15 Kayseri 1 2025 · 6-3 1-0 ret.ELO 1602def. 
Damien WengerAbidjan 1 Challenger 2025 · 3-6 7-5 7-5ELO 1563def. Cyril VandermeerschSt. Brieuc Challenger 2026 · 6-0 6-2ELO 1563def. 
Michal KrajciM15 Kayseri 5 2025 · 7-5 7-5ELO 1562def. 
Kane Bonsach GanleyM15 Casablanca 1 2024 · 6-1 6-4ELO 15625-match win streak · Last match Jul 5, 2026 · last win Jul 5, 2026
Level on points with Benjamin Hassan at #505.
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.
Constantin Bittoun Kouzmine's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.