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Mei Yamaguchi
Right-Handed
Mei Yamaguchi is a professional tennis player from Japan, 27 years old, ranked No. 259 on the WTA singles rankings as of September 21, 2026. Career-high ranking: No. 242 (May 5, 2025). Yamaguchi has won 2 career singles titles from 3 finals (1 at WTA 125 / ITF, 1 at ITF level). Most recent title: W35 Hamamatsu 1 (2024), beating Ito 4-6, 5-3, ret. in the final. In 2026 the record stands at 20-23 (1-2 at Tour level, 3-3 at WTA 125 level, 16-18 at ITF / Futures level). Last match: lost to Okamura 6-1, 6-1 in the Q3 at Singapore Tennis Open - Singapore, September 20, 2026.
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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