H2H data updated: 2026-10-24 00:00 UTC

Jan Kukal vs Kenichi Hirai H2H: 1-0

Jan Kukal holds a 1–0 lead over Kenichi Hirai in their ATP head-to-head. Across 1 main-draw meeting, Jan Kukal leads 1–0 on clay. Most recently, Jan Kukal won the 1972 Swiss Open Gstaad round of 32 6-2 7-5.

CZE Age 84 Right-Handed
H2H
1 – 0
1 main-draw meetings
JPN Age 76 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jan Kukal 6-2 7-5 Kenichi Hirai Match data Jul 19, 1972* R32 Swiss Open Gstaad 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
Jan Kukal #955 #115 5 1,644 57 81 41.3% 0 0 0 0 0 0
Kenichi Hirai #648 #180 0 1,503 7 32 17.9% 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 Jan Kukal Kenichi Hirai
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 — — — — — — — 1971 1–7 12.5% — 1,444 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 1968 16–17 48.5% — 1,531 0 0 1975 0–4 0.0% #252 1,413 0 0
26 1969 13–11 54.2% — 1,582 0 0 1976 2–4 33.3% #187 1,438 0 0
27 1970 13–13 50.0% — 1,636 0 0 1977 0–2 0.0% #220 1,421 0 0
28 1971 4–9 30.8% — 1,542 0 0 1978 0–2 0.0% #496 1,414 0 0
29 1972 6–12 33.3% — 1,513 0 0 — — — — — — —
30 1973 2–13 13.3% #216 1,442 0 0 — — — — — — —
31 1974 0–4 0.0% #245 1,423 0 0 1981 0–1 0.0% — 1,400 0 0
32 1975 2–1 66.7% #306 1,461 0 0 — — — — — — —
33 1976 1–1 50.0% #288 1,483 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 Jan Kukal Kenichi Hirai
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 %
21 — — — — — — — — — — — — — — — — — 1971 1 4 5 20.0% 0 2 2 0.0% 0 1 1 0.0% — — — —
22 — — — — — — — — — — — — — — — — — 1972 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% — — — —
23 — — — — — — — — — — — — — — — — — 1973 0 2 2 0.0% 1 2 3 33.3% 0 1 1 0.0% — — — —
24 — — — — — — — — — — — — — — — — — 1974 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0% — — — —
25 1968 8 7 15 53.3% 5 7 12 41.7% 0 1 1 0.0% 3 2 5 60.0% 1975 — — — — 0 2 2 0.0% 0 1 1 0.0% 0 1 1 0.0%
26 1969 5 4 9 55.6% 6 4 10 60.0% 1 2 3 33.3% 1 1 2 50.0% 1976 0 1 1 0.0% 1 2 3 33.3% 1 1 2 50.0% — — — —
27 1970 1 1 2 50.0% 5 5 10 50.0% 4 5 9 44.4% 3 2 5 60.0% 1977 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
28 1971 2 2 4 50.0% 2 5 7 28.6% 0 2 2 0.0% — — — — 1978 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
29 1972 0 1 1 0.0% 4 9 13 30.8% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
30 1973 0 5 5 0.0% 1 7 8 12.5% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
31 1974 0 2 2 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% 1981 — — — — 0 1 1 0.0% — — — — — — — —
32 1975 — — — — — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — — — — — —
33 1976 — — — — — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
Career — 16 22 38 42.1% 23 38 61 37.7% 10 14 24 41.7% 8 7 15 53.3% — 3 9 12 25.0% 2 13 15 13.3% 2 8 10 20.0% 0 2 2 0.0%

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 Jan Kukal Kenichi Hirai
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
21 — — — — — — — — — — — — — — — — 1971 1444 96.8 — — — — +64 — — 11.1% -2.11 1–0 0–2 — +0.41
22 — — — — — — — — — — — — — — — — 1972 1467 108.1 — — — — — — — 45.5% -0.27 0–1 — — -0.18
23 — — — — — — — — — — — — — — — — 1973 1460 113.9 — — — — — +51 — 31.3% -1.13 0–2 0–1 — -0.37
24 — — — — — — — — — — — — — — — — 1974 1439 100.0 — — — — — — — 33.3% -1.42 0–2 0–1 — +0.48
25 1968 1532 112.5 — — — — +79 -53 — 50.0% +0.28 4–4 (50%) — — +0.30 1975 1413 115.4 — — — — — — — 10.0% -2.60 — 0–1 — -0.20
26 1969 1583 117.5 — — — — +94 -23 -92 50.8% +0.05 4–3 (57%) — — +1.26 1976 1439 111.6 — — — — — +37 — 35.7% -0.43 — 0–1 — +0.34
27 1970 1636 116.1 — — — — +91 -32 -116 49.4% +0.05 5–2 (71%) — — +1.97 1977 1421 99.6 — — — — — — — 20.0% -2.40 0–1 0–1 — +0.09
28 1971 1543 105.7 — — — — +115 +6 — 32.1% -1.32 0–2 1–1 — +0.70 1978 1414 105.5 — — — — — — — 20.0% -2.60 0–1 — — -0.11
29 1972 1514 115.2 — — — — — +4 -1 37.3% -0.73 2–3 (40%) 1–1 — +0.68 — — — — — — — — — — — — — — — —
30 1973 1442 102.3 — — — — +120 +1 — 22.9% -1.29 1–3 (25%) 1–6 (14%) 94.1 +0.60 — — — — — — — — — — — — — — — —
31 1974 1424 97.9 — — — — — — — 0.0% -4.50 — — — +0.21 1981 1400 96.5 — — — — — — — 0.0% -3.00 — — — +0.23
32 1975 1462 110.1 — — — — — — +90 62.5% +0.75 1–1 1–0 — +0.20 — — — — — — — — — — — — — — — —
33 1976 1484 110.7 — — — — — — — 50.0% -0.50 — — — +0.18 — — — — — — — — — — — — — — — —
Career — 1644 116.7 — — — — +93 -18 -55 44.1% -0.27 17–18 (49%) 4–8 (33%) 98.9 +4.69 — 1504 112.0 — — — — +64 +44 — 25.8% -1.50 1–7 (13%) 0–7 (0%) 88.6 +1.77

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.