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Daniil Ostapenkov
Right-Handed, Two-Handed Backhand
Daniil Ostapenkov is a professional tennis player from Belarus, 23 years old, ranked No. 555 on the ATP singles rankings as of September 21, 2026. Career-high ranking: No. 525 (August 10, 2026). Ostapenkov has won 0 career singles titles from 1 final. In 2026 the record stands at 33-19 (13-10 at Challenger level, 20-9 at ITF / Futures level). Last match: lost to Legout 6-3, 6-1 in the Q3 at San Diego 2 Challenger, September 21, 2026.
The Climb
From the Futures to the Slams
The milestones that mark a professional career, with the ranking at each step.
Call the climb
Say where this player will be, and by when. Graded from the weekly rankings; the record lives on My Slip.
Why we're watching
Recent results
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The last ten singles matches, from the results feed. Click a column header to sort.
Career record by surface
Ranking, recent weeks
Titles & finals
Win–loss by level · this season
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