Kenichi Hirai
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tom Gorman | 0 | 2 | 2 | Nov 3, 1976 | H2H |
| Joel Bailey | 0 | 1 | 1 | Oct 21, 1981 | H2H |
| Hank Pfister | 0 | 1 | 1 | Nov 16, 1978 | H2H |
| Terry Moor | 0 | 1 | 1 | Oct 26, 1978 | H2H |
| John Whitlinger | 0 | 1 | 1 | Nov 2, 1977 | H2H |
H2H data updated: 2026-09-11 00:00 UTC
Richard Gonzalez holds a 1–0 lead over Kenichi Hirai in their ATP head-to-head. Across 1 main-draw meeting, Richard Gonzalez leads 1–0 on grass. Most recently, Richard Gonzalez won the 1972 Beckenham round of 64 7-5 9-7.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Richard Gonzalez | 7-5 9-7 | Kenichi Hirai | Match data | Jun 14, 1972* | R64 | Beckenham | ATP 250 | Grass |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kenichi Hirai | #648 | #180 | 0 | 1,503 | 7 | 32 | 17.9% | 0 | 0 | 0 | 0 | 0 | 0 |
| Richard Gonzalez | — | — | — | 2,030 | — | — | — | 0 | 0 | 0 | 0 | 9 | 0 |
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 | Richard Gonzalez | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 1972 | 2–3 | 40.0% | — | 1,466 | 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% | #220 | 1,420 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 0–2 | 0.0% | #496 | 1,413 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 0–1 | 0.0% | — | 1,400 | 0 | 0 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Kenichi Hirai | Richard Gonzalez | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1971 | 1 | 4 | 5 | 20.0% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 1968 | 4 | 9 | 13 | 30.8% | 11 | 9 | 20 | 55.0% | 4 | 2 | 6 | 66.7% | 5 | 5 | 10 | 50.0% |
| 1972 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | 1969 | 12 | 4 | 16 | 75.0% | 2 | 1 | 3 | 66.7% | 12 | 6 | 18 | 66.7% | 10 | 12 | 22 | 45.5% |
| 1973 | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | 1970 | 13 | 6 | 19 | 68.4% | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% | 6 | 7 | 13 | 46.2% |
| 1974 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 1971 | 10 | 1 | 11 | 90.9% | 1 | 2 | 3 | 33.3% | 4 | 3 | 7 | 57.1% | — | — | — | — |
| 1975 | — | — | — | — | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 1972 | 7 | 4 | 11 | 63.6% | 0 | 1 | 1 | 0.0% | 8 | 3 | 11 | 72.7% | 7 | 2 | 9 | 77.8% |
| 1976 | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — | 1973 | 2 | 3 | 5 | 40.0% | — | — | — | — | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 1977 | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 3 | 9 | 12 | 25.0% | 2 | 13 | 15 | 13.3% | 2 | 8 | 10 | 20.0% | 0 | 2 | 2 | 0.0% | Career | 48 | 27 | 75 | 64.0% | 14 | 14 | 28 | 50.0% | 32 | 18 | 50 | 64.0% | 28 | 26 | 54 | 51.9% |
Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Kenichi Hirai | Richard Gonzalez | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 1971 | 1444 | 96.8 | — | — | — | — | +64 | — | — | 11.1% | -2.11 | 1–0 | 0–2 | — | +0.42 | 1968 | 1694 | 115.5 | — | — | — | — | -167 | -49 | -59 | 51.2% | +0.16 | 8–7 (53%) | — | — | -2.13 |
| 1972 | 1466 | 108.1 | — | — | — | — | — | — | — | 45.5% | -0.27 | 0–1 | — | — | -0.18 | 1969 | 1958 | 138.2 | — | — | — | — | -26 | -295 | -88 | 61.5% | +0.72 | 12–7 (63%) | — | — | -2.11 |
| 1973 | 1460 | 113.9 | — | — | — | — | — | +51 | — | 31.3% | -1.13 | 0–2 | 0–1 | — | -0.37 | 1970 | 1938 | 138.5 | — | — | — | — | +36 | — | -100 | 55.1% | -0.12 | 6–5 (55%) | 6–2 (75%) | 100.8 | -2.32 |
| 1974 | 1439 | 100.0 | — | — | — | — | — | — | — | 33.3% | -1.42 | 0–2 | 0–1 | — | +0.48 | 1971 | 1935 | 130.2 | — | — | — | — | +97 | -289 | -141 | 67.3% | +1.15 | 4–1 (80%) | 3–1 (75%) | 104.5 | +0.19 |
| 1975 | 1413 | 115.4 | — | — | — | — | — | — | — | 10.0% | -2.60 | — | 0–1 | — | -0.20 | 1972 | 1837 | 121.3 | — | — | — | — | +100 | — | -61 | 62.7% | +0.64 | 6–2 (75%) | 4–3 (57%) | 101.7 | +3.13 |
| 1976 | 1439 | 111.6 | — | — | — | — | — | +36 | — | 35.7% | -0.43 | — | 0–1 | — | +0.34 | 1973 | 1815 | 122.6 | — | — | — | — | +71 | — | -49 | 43.5% | -0.83 | 2–1 (67%) | 6–3 (67%) | 104.0 | -1.43 |
| 1977 | 1421 | 99.6 | — | — | — | — | — | — | — | 20.0% | -2.40 | 0–1 | 0–1 | — | +0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1414 | 105.5 | — | — | — | — | — | — | — | 20.0% | -2.60 | 0–1 | — | — | -0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1400 | 96.5 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | +0.23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1504 | 112.1 | — | — | — | — | +64 | +44 | — | 25.8% | -1.50 | 1–7 (13%) | 0–7 (0%) | 88.6 | +1.79 | Career | 2031 | 133.8 | — | — | — | — | -2 | -105 | -84 | 57.8% | +0.39 | 38–23 (62%) | 19–9 (68%) | 111.0 | -2.29 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tom Gorman | 0 | 2 | 2 | Nov 3, 1976 | H2H |
| Joel Bailey | 0 | 1 | 1 | Oct 21, 1981 | H2H |
| Hank Pfister | 0 | 1 | 1 | Nov 16, 1978 | H2H |
| Terry Moor | 0 | 1 | 1 | Oct 26, 1978 | H2H |
| John Whitlinger | 0 | 1 | 1 | Nov 2, 1977 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Ken Rosewall | 5 | 10 | 15 | Nov 21, 1970 | — |
| Rod Laver | 4 | 11 | 15 | Oct 4, 1970 | — |
| Fred Stolle | 7 | 3 | 10 | Aug 23, 1970 | — |
| Andres Gimeno | 5 | 4 | 9 | May 18, 1970 | — |
| Roy Emerson | 4 | 4 | 8 | Aug 24, 1970 | — |