H2H data updated: 2026-09-11 00:00 UTC

Kenichi Hirai vs Erik Van Dillen H2H: 0-1

Erik Van Dillen holds a 1–0 lead over Kenichi Hirai in their ATP head-to-head. Across 1 main-draw meeting, Erik Van Dillen leads 1–0 on clay. Most recently, Erik Van Dillen won the 1971 Indianapolis round of 64 6-4 6-4.

JPN Age 76 Right-Handed
H2H
0 1
1 main-draw meetings
USA Age 75 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Erik Van Dillen 6-4 6-4 Kenichi Hirai Match data Aug 11, 1971* R64 Indianapolis 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
Erik Van Dillen 1,857 0 0 0 0 2 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 Erik Van Dillen
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1971 1–7 12.5% 1,443 0 0
22 1972 2–3 40.0% 1,466 0 0
23 1973 1–5 16.7% #226 1,459 0 0
24 1974 1–4 20.0% #228 1,438 0 0
25 1975 0–4 0.0% #252 1,413 0 0
26 1976 2–4 33.3% #187 1,438 0 0
27 1977 0–2 0.0% #220 1,420 0 0
28 1978 0–2 0.0% #496 1,413 0 0
31 1981 0–1 0.0% 1,400 0 0

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Kenichi Hirai Erik Van Dillen
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 %
17 1968 1 2 3 33.3% 3 1 4 75.0%
18 1969 0 3 3 0.0% 3 1 4 75.0% 2 5 7 28.6%
19 1970 1 6 7 14.3% 0 1 1 0.0% 0 1 1 0.0% 2 0 2 100.0%
20 1971 5 7 12 41.7% 5 2 7 71.4% 0 3 3 0.0% 0 1 1 0.0%
21 1971 1 4 5 20.0% 0 2 2 0.0% 0 1 1 0.0% 1972 6 4 10 60.0% 2 2 4 50.0% 5 3 8 62.5%
22 1972 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1973 6 2 8 75.0% 7 6 13 53.8% 5 2 7 71.4% 5 8 13 38.5%
23 1973 0 2 2 0.0% 1 2 3 33.3% 0 1 1 0.0% 1974 2 6 8 25.0% 7 8 15 46.7% 2 3 5 40.0% 8 10 18 44.4%
24 1974 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0% 1975 5 6 11 45.5% 4 4 8 50.0% 1 2 3 33.3% 6 8 14 42.9%
25 1975 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0% 1976 4 5 9 44.4% 6 11 17 35.3% 0 1 1 0.0% 4 5 9 44.4%
26 1976 0 1 1 0.0% 1 2 3 33.3% 1 1 2 50.0% 1977 2 6 8 25.0% 3 3 6 50.0% 5 5 10 50.0%
27 1977 0 1 1 0.0% 0 1 1 0.0% 1978 5 5 10 50.0% 1 3 4 25.0% 3 1 4 75.0% 3 6 9 33.3%
28 1978 0 1 1 0.0% 0 1 1 0.0% 1979 6 4 10 60.0% 0 2 2 0.0% 1 5 6 16.7%
29 1980 6 6 12 50.0% 0 1 1 0.0% 0 2 2 0.0% 0 5 5 0.0%
30 1981 2 3 5 40.0% 2 3 5 40.0% 3 2 5 60.0%
31 1981 0 1 1 0.0% 1982 0 2 2 0.0%
Career 3 9 12 25.0% 2 13 15 13.3% 2 8 10 20.0% 0 2 2 0.0% 51 67 118 43.2% 35 42 77 45.5% 24 28 52 46.2% 39 56 95 41.1%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Kenichi Hirai Erik Van Dillen
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
17 1968 1551 103.4 -29 +43 44.4% -0.56 1–0 -0.60
18 1969 1509 115.4 +8 +71 +4 40.5% -0.35 1–3 (25%) +0.03
19 1970 1553 117.9 +28 43.8% -0.25 2–1 (67%) 2–0 -0.35
20 1971 1636 120.5 -77 +17 -151 44.8% -0.45 5–5 (50%) 5–2 (71%) 103.7 -0.67
21 1971 1444 96.8 +64 11.1% -2.11 1–0 0–2 +0.42 1972 1692 119.6 -10 -186 52.7% +0.29 6–4 (60%) 2–3 (40%) 102.8 +1.48
22 1972 1466 108.1 45.5% -0.27 0–1 -0.18 1973 1853 142.4 -102 -102 -215 55.4% +0.61 8–5 (62%) 4–7 (36%) 102.9 -3.64
23 1973 1460 113.9 +51 31.3% -1.13 0–2 0–1 -0.37 1974 1732 131.1 -57 +9 -81 47.0% -0.33 5–12 (29%) 9–6 (60%) 97.1 -2.16
24 1974 1439 100.1 33.3% -1.42 0–2 0–1 +0.48 1975 1760 140.7 -39 -8 -140 47.1% -0.13 4–5 (44%) 9–11 (45%) 100.9 -3.71
25 1975 1413 115.4 10.0% -2.60 0–1 -0.20 1976 1694 140.9 +52 -37 41.2% -0.49 6–6 (50%) 6–7 (46%) 100.6 -2.47
26 1976 1439 111.6 +36 35.7% -0.43 0–1 +0.34 1977 1688 135.0 +11 -76 41.8% -0.25 2–1 (67%) 4–6 (40%) 99.3 -1.07
27 1977 1421 99.6 20.0% -2.40 0–1 0–1 +0.09 1978 1589 112.0 +11 +18 +91 43.7% -0.35 6–5 (55%) 3–6 (33%) 97.2 +3.46
28 1978 1414 105.5 20.0% -2.60 0–1 -0.11 1979 1635 132.0 +19 40.9% -0.59 1–1 1–2 (33%) +0.56
29 1980 1605 121.8 +34 31.9% -1.08 1–2 (33%) 3–5 (38%) 97.0 +0.02
30 1981 1625 121.4 +13 -54 +38 45.2% -0.38 4–2 (67%) 2–1 (67%) 104.2 +0.32
31 1981 1400 96.5 0.0% -3.00 +0.23 1982 1605 105.1 0.0% -3.50 0–1 -0.16
Career 1504 112.1 +64 +44 25.8% -1.50 1–7 (13%) 0–7 (0%) 88.6 +1.79 1857 137.5 -16 -23 -67 45.0% -0.26 52–52 (50%) 50–57 (47%) 102.0 -2.67

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.