Daniil Ostapenkov


Daniil Ostapenkov is a Belarusian professional tennis player. He achieved a career-high junior ITF ranking of world No. 48. He has a career high singles ranking of No. 703 achieved on 27 October 2025 and a career high doubles ranking of No. 261 achieved on 24 November 2025.

Career

Ostapenkov is best known for his shocking upset win, in straight sets, over world No. 15 and former world No. 8 Diego Schwartzman during a Davis Cup match against Argentina. At the time, Ostapenkov did not have an ATP ranking.

Personal info

In April 2024, Daniil became an ambassador for the IT company BackHandStats.

ATP Challenger and ITF Tour finals

Doubles: 3 (2–1)


ResultW–LDateTournamentTierSurfacePartnerOpponentScore
Loss0–1M25 Tbilisi, GeorgiaWorld Tennis TourClay Erik Arutiunian Ivan Liutarevich
dts|Nov 2022flagicon|