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Dayeon Back
Right-Handed
Dayeon Back is a professional tennis player from Korea, Rep., 24 years old, ranked No. 272 on the WTA singles rankings as of September 21, 2026. Career-high ranking: No. 245 (July 27, 2026). Back has won 12 career singles titles from 21 finals (5 at WTA 125 / ITF, 7 at ITF level). Most recent title: W35 Taipei (2026), beating Kaji 6-1, 7-5 in the final. In 2026 the record stands at 44-17 (1-0 at Tour level, 38-17 at ITF / Futures level, 5-0 at Team events level). Last match: beat Yuan 6-3, 4-6, 6-1 in the R1 at Korea Open - Seoul, September 21, 2026. Best surface by career win rate: hard (12–6).
The Climb
From the Futures to the Slams
The milestones that mark a professional career, with the ranking at each step.
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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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