Naoto Kai: Ranking, Schedule & Stats
Last: Yokohama CH · Round of 64 · Lost vs Kim C. · 1–6 3–6 →
Naoto Kai is a professional tennis player from Japan, born 18 April 1997.
This page tracks Naoto Kai's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.
How good they are right now
Current form
2026 season20260–0—
Last 60 daysLast 60 days0–0
Current streakStreakL2Kim C. · Yokohama CH R64 · 1–6 3–6
Titles 2026Titles0
Ratings & strengths
Umpiry ratings · updated dailyElo rating · overall1 469career peak 1 500
Recent results
Last 2Beyond today · rivals & careerBeyond today
Season
Completed seasonW–L0–10%
Titles0No finals
vs Top 10—
Deciding sets0–0
Tiebreaks0–0
Results
Season breakdown
2019 · by level, surface, sets2019Challenger0–10%
Hard0–10%
Deciding sets0–0—
Tiebreaks0–0—
After losing 1st set0–10%
Career
Career overview
Career W–LW–L0–20% · 2 matches0%
Titles0Tour leveltour level
Grand Slams0
Career by surface
Hard0–20%
More career statistics
Career win–loss by level
| Level | W–L | Win % | Titles |
|---|---|---|---|
| Challenger | 0–1 | 0% | 0 |
| ITF / Futures | 0–2 | 0% | 0 |
Challenger and ITF matches are shown in grey and are not part of the tour-level total.
More on Umpiry · discovery
Frequently asked · Naoto KaiFrequently asked
When was Naoto Kai born?
Naoto Kai was born on 18 April 1997 (29 years old).
Where is Naoto Kai from?
Naoto Kai is from Japan.