H2H data updated: 2026-09-12 00:00 UTC

Kenichi Hirai vs Patricio Rodriguez Chi H2H: 0-1

Patricio Rodriguez Chi holds a 1–0 lead over Kenichi Hirai in their ATP head-to-head. Across 1 main-draw meeting, Patricio Rodriguez Chi leads 1–0 on clay. Most recently, Patricio Rodriguez Chi won the 1974 Dutch Open round of 32 6-3 5-7 6-3.

JPN Age 76 Right-Handed
H2H
0 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Patricio Rodriguez Chi 6-3 5-7 6-3 Kenichi Hirai Match data Jul 24, 1974* R32 Dutch Open ATP 250 Clay

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.

Career Comparison

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
Patricio Rodriguez Chi 1,533 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 Patricio Rodriguez Chi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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

Surface Results by Career Season

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 Patricio Rodriguez Chi
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
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 0 1 1 0.0% 2 7 9 22.2%
1972 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1969 4 7 11 36.4% 0 1 1 0.0%
1973 0 2 2 0.0% 1 2 3 33.3% 0 1 1 0.0% 1970 4 6 10 40.0%
1974 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0% 1971 0 3 3 0.0% 1 1 2 50.0%
1975 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0% 1972 1 5 6 16.7% 0 2 2 0.0%
1976 0 1 1 0.0% 1 2 3 33.3% 1 1 2 50.0% 1973 2 7 9 22.2%
1977 0 1 1 0.0% 0 1 1 0.0% 1974 1 4 5 20.0% 0 1 1 0.0%
1978 0 1 1 0.0% 0 1 1 0.0% 1975 0 1 1 0.0%
1981 0 1 1 0.0% 1976 0 1 1 0.0%
1978 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 0 1 1 0.0% 14 42 56 25.0% 1 4 5 20.0% 0 1 1 0.0%

Advanced Statistics Comparison by Career Season

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 Patricio Rodriguez Chi
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 1474 102.3 -7 39.3% -0.96 0–3 (0%) -0.55
1972 1466 108.1 45.5% -0.27 0–1 -0.18 1969 1473 109.8 -1 37.8% -0.84 1–3 (25%) +0.31
1973 1460 113.9 +51 31.3% -1.13 0–2 0–1 -0.37 1970 1525 119.1 +6 40.0% -0.84 1–1 -0.03
1974 1439 100.1 33.3% -1.42 0–2 0–1 +0.48 1971 1468 94.7 -2 16.7% -2.83 0–1 +0.18
1975 1413 115.4 10.0% -2.60 0–1 -0.20 1972 1419 96.5 +14 34.5% -1.66 1–3 (25%) +0.50
1976 1439 111.6 +36 35.7% -0.43 0–1 +0.34 1973 1419 97.3 -4 21.1% -1.79 1–2 (33%) 0–2 +0.10
1977 1421 99.6 20.0% -2.40 0–1 0–1 +0.09 1974 1398 99.0 -22 26.7% -1.40 1–2 (33%) 1–0 +0.47
1978 1414 105.5 20.0% -2.60 0–1 -0.11 1975 1386 98.1 0.0% -2.50 +0.18
1981 1400 96.5 0.0% -3.00 +0.23 1976 1385 107.2 0.0% -2.50 0–1 -0.15
1978 1384 106.5 0.0% -2.50 0–1 -0.08
Career 1504 112.1 +64 +44 25.8% -1.50 1–7 (13%) 0–7 (0%) 88.6 +1.79 Career 1534 107.2 -2 32.4% -1.34 5–15 (25%) 1–4 (20%) 91.1 +1.52

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.