H2H data updated: 2026-10-18 00:00 UTC

Jan Kukal vs Ron Holmberg H2H: 1-1

Jan Kukal and Ron Holmberg are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, Jan Kukal leads 1–0 on clay, while Ron Holmberg leads 1–0 on hard courts. Most recently, Ron Holmberg won the 1969 Salisbury round of 16 11-9 6-8 13-11.

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Jan Kukal
CZE Age 84 Right-Handed
H2H
1 – 1
2 main-draw meetings
Ron Holmberg
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ron Holmberg 11-9 6-8 13-11 Jan Kukal Match data Feb 14, 1969* R16 Salisbury ATP 250 Hard
Jan Kukal 2-6 6-1 8-6 Ron Holmberg Match data Feb 6, 1969* QF Pittsburgh 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
Ron Holmberg — — — 1,661 — — — 0 0 0 0 1 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.

Jan Kukal Ron Holmberg
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 16–17 48.5% — 1,531 0 0 — — — — — — —
1969 13–11 54.2% — 1,582 0 0 — — — — — — —
1970 13–13 50.0% — 1,636 0 0 — — — — — — —
1971 4–9 30.8% — 1,542 0 0 — — — — — — —
1972 6–12 33.3% — 1,513 0 0 — — — — — — —
1973 2–13 13.3% #216 1,442 0 0 — — — — — — —
1974 0–4 0.0% #245 1,423 0 0 — — — — — — —
1975 2–1 66.7% #306 1,461 0 0 — — — — — — —
1976 1–1 50.0% #288 1,483 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.

Jan Kukal Ron Holmberg
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 %
1968 8 7 15 53.3% 5 7 12 41.7% 0 1 1 0.0% 3 2 5 60.0% 1968 4 5 9 44.4% 2 1 3 66.7% 6 3 9 66.7% 2 2 4 50.0%
1969 5 4 9 55.6% 6 4 10 60.0% 1 2 3 33.3% 1 1 2 50.0% 1969 5 5 10 50.0% 2 9 11 18.2% 3 6 9 33.3% 4 10 14 28.6%
1970 1 1 2 50.0% 5 5 10 50.0% 4 5 9 44.4% 3 2 5 60.0% 1970 1 6 7 14.3% 1 1 2 50.0% 1 4 5 20.0% 0 4 4 0.0%
1971 2 2 4 50.0% 2 5 7 28.6% 0 2 2 0.0% — — — — 1971 1 1 2 50.0% 1 2 3 33.3% 0 1 1 0.0% — — — —
1972 0 1 1 0.0% 4 9 13 30.8% 2 2 4 50.0% — — — — 1972 — — — — — — — — 0 1 1 0.0% 1 2 3 33.3%
1973 0 5 5 0.0% 1 7 8 12.5% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
1974 0 2 2 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1975 — — — — — — — — 2 1 3 66.7% — — — — — — — — — — — — — — — — — — — — —
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% Career 11 17 28 39.3% 6 13 19 31.6% 10 15 25 40.0% 7 18 25 28.0%

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.

Jan Kukal Ron Holmberg
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
1968 1532 112.5 — — — — +79 -53 — 50.0% +0.28 4–4 (50%) — — +0.30 1968 1616 113.4 — — — — -82 -74 +25 53.6% +0.23 6–4 (60%) — — -0.23
1969 1583 117.5 — — — — +94 -23 -92 50.8% +0.05 4–3 (57%) — — +1.26 1969 1578 122.9 — — — — -18 -99 +28 36.9% -0.80 7–13 (35%) 0–2 — -1.09
1970 1636 116.1 — — — — +91 -32 -116 49.4% +0.05 5–2 (71%) — — +1.97 1970 1541 109.6 — — — — -47 — +4 20.9% -1.77 2–2 (50%) 2–0 — -0.97
1971 1543 105.7 — — — — +115 +6 — 32.1% -1.32 0–2 1–1 — +0.70 1971 1547 109.6 — — — — — -51 — 35.7% -1.00 — 0–3 (0%) — +0.13
1972 1514 115.2 — — — — — +4 -1 37.3% -0.73 2–3 (40%) 1–1 — +0.68 1972 1535 108.2 — — — — -19 — — 30.0% -0.90 — 1–0 — +0.01
1973 1442 102.3 — — — — +120 +1 — 22.9% -1.29 1–3 (25%) 1–6 (14%) 94.1 +0.60 — — — — — — — — — — — — — — — —
1974 1424 97.9 — — — — — — — 0.0% -4.50 — — — +0.21 — — — — — — — — — — — — — — — —
1975 1462 110.1 — — — — — — +90 62.5% +0.75 1–1 1–0 — +0.20 — — — — — — — — — — — — — — — —
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 Career 1662 119.2 — — — — -41 -86 +22 38.5% -0.70 15–19 (44%) 3–5 (38%) 99.4 -2.24

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.