H2H data updated: 2026-07-18 14:16 UTC
Kenichi Hirai vs Sadao Kosugi H2H: 1-0
Kenichi Hirai holds a 1–0 lead over Sadao Kosugi in their ATP head-to-head. Across 1 main-draw meeting, Kenichi Hirai leads 1–0 on hard courts. Most recently, Kenichi Hirai won the 1974 Tokyo second round 6-3 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 15, 1974* | Tokyo | ATP 250 | R64 | Hard | Kenichi Hirai | 6-3 6-4 | Sadao Kosugi | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kenichi Hirai | #648 | #180 | 0 | 1,505 | 7 | 32 | 17.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sadao Kosugi | #579 | #274 | 0 | 1,500 | 0 | 1 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Kenichi Hirai | Sadao Kosugi | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1971 | 1–7 | 12.5% | — | 1,443 | 0 | 0 | 1974 | 0–1 | 0.0% | #274 | 1,480 | 0 | 0 |
| 1972 | 2–3 | 40.0% | — | 1,465 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 1–5 | 16.7% | #226 | 1,459 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 1–4 | 20.0% | #228 | 1,438 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 0–4 | 0.0% | #252 | 1,413 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 2–4 | 33.3% | #187 | 1,438 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 0–2 | 0.0% | #332 | 1,420 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 0–2 | 0.0% | #496 | 1,413 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 0–1 | 0.0% | #549 | 1,399 | 0 | 0 | — | — | — | — | — | — | — |