H2H data updated: 2026-07-19 02:51 UTC
Kenichi Hirai vs Roy Barth H2H: 0-1
Roy Barth holds a 1–0 lead over Kenichi Hirai in their ATP head-to-head. Across 1 main-draw meeting, Roy Barth leads 1–0 on hard courts. Most recently, Roy Barth won the 1971 Los Angeles second round 6-4 7-5.
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JPN
Age 76
Right-Handed
H2H
0
–
1
1 main draw meetings
USA
Age 79
Right-Handed
175 cm / 5'9"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 1971* | Los Angeles | ATP 250 | R64 | Hard | Roy Barth | 6-4 7-5 | Kenichi Hirai | 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 |
| Roy Barth | #373 | #107 | 0 | 1,736 | 64 | 138 | 31.7% | 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.
| Age | Kenichi Hirai | Roy Barth | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 1971 | 1–7 | 12.5% | — | 1,443 | 0 | 0 | 1968 | 20–13 | 60.6% | — | 1,618 | 0 | 0 |
| 22 | 1972 | 2–3 | 40.0% | — | 1,465 | 0 | 0 | 1969 | 16–11 | 59.3% | — | 1,691 | 0 | 0 |
| 23 | 1973 | 1–5 | 16.7% | #226 | 1,459 | 0 | 0 | 1970 | 13–24 | 35.1% | — | 1,579 | 0 | 0 |
| 24 | 1974 | 1–4 | 20.0% | #228 | 1,438 | 0 | 0 | 1971 | 6–29 | 17.1% | — | 1,463 | 0 | 0 |
| 25 | 1975 | 0–4 | 0.0% | #252 | 1,413 | 0 | 0 | 1972 | 1–26 | 3.7% | — | 1,402 | 0 | 0 |
| 26 | 1976 | 2–4 | 33.3% | #187 | 1,438 | 0 | 0 | 1973 | 4–21 | 16.0% | #126 | 1,370 | 0 | 0 |
| 27 | 1977 | 0–2 | 0.0% | #332 | 1,420 | 0 | 0 | 1974 | 4–13 | 23.5% | #136 | 1,403 | 0 | 0 |
| 28 | 1978 | 0–2 | 0.0% | #496 | 1,413 | 0 | 0 | 1975 | 0–1 | 0.0% | #373 | 1,396 | 0 | 0 |
| 31 | 1981 | 0–1 | 0.0% | #549 | 1,399 | 0 | 0 | — | — | — | — | — | — | — |