This link may be missing its player ID, or the profile may have moved. Back to Players to Watch.
Shintaro Mochizuki
Right-Handed, Two-Handed Backhand · Turned pro 2019 · 175cm
Shintaro Mochizuki is a professional tennis player from Japan, 23 years old, ranked No. 125 on the ATP singles rankings as of September 21, 2026. Career-high ranking: No. 92 (November 10, 2025). In 2026 the record stands at 19-29 (8-5 at Grand Slam level, 3-10 at Tour level, 8-10 at Challenger level, 0-4 at Team events level). Last match: lost to Kotov 7-6(4), 6-1 in the R1 at Guangzhou Challenger, September 15, 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
| Date | Tournament | Rd. | Opponent | Result |
|---|
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
| Level | Record |
|---|