H2H data updated: 2026-09-08 00:00 UTC

Jun Kamiwazumi vs Woody Blocher H2H: 1-0

Jun Kamiwazumi holds a 1–0 lead over Woody Blocher in their ATP head-to-head. Across 1 main-draw meeting, Jun Kamiwazumi leads 1–0 on grass. Most recently, Jun Kamiwazumi won the 1973 Merion round of 64 1-6 6-3 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Jun Kamiwazumi
JPN Age 78 Right-Handed
H2H
1 – 0
1 main-draw meetings
Woody Blocher
USA Age 75 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jun Kamiwazumi 1-6 6-3 6-4 Woody Blocher Match data Aug 21, 1973* R64 Merion 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.

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
Jun Kamiwazumi #808 #78 0 1,624 64 99 39.3% 0 0 0 0 0 0
Woody Blocher #339 #156 0 1,500 4 33 10.8% 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 Jun Kamiwazumi Woody Blocher
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1968 0–1 0.0% — — 0 0
17 — — — — — — — 1969 1–3 25.0% — 1,492 0 0
20 1968 1–1 50.0% — 1,498 0 0 1972 0–2 0.0% — 1,472 0 0
21 1969 0–1 0.0% — 1,483 0 0 1973 0–3 0.0% — 1,445 0 0
22 — — — — — — — 1974 0–2 0.0% #318 1,434 0 0
23 1971 6–5 54.5% — 1,535 0 0 1975 0–7 0.0% #168 1,400 0 0
24 1972 13–13 50.0% — 1,538 0 0 1976 1–2 33.3% #248 1,410 0 0
25 1973 10–16 38.5% #94 1,526 0 0 1977 0–7 0.0% #182 1,374 0 0
26 1974 14–22 38.9% #100 1,579 0 0 1978 2–5 28.6% #211 1,405 0 0
27 1975 11–23 32.4% #127 1,570 0 0 1979 0–1 0.0% #339 1,388 0 0
28 1976 1–10 9.1% #206 1,515 0 0 — — — — — — —
29 1977 1–2 33.3% #264 1,523 0 0 — — — — — — —
30 1978 2–2 50.0% #284 1,549 0 0 — — — — — — —
31 1979 3–1 75.0% #257 1,589 0 0 — — — — — — —
32 1980 2–2 50.0% #269 1,595 0 0 — — — — — — —
36 1984 0–1 0.0% #745 1,581 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 Jun Kamiwazumi Woody Blocher
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 %
16 — — — — — — — — — — — — — — — — — 1968 — — — — 0 1 1 0.0% — — — — — — — —
17 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 1 2 3 33.3% 0 1 1 0.0%
20 1968 — — — — — — — — 1 1 2 50.0% — — — — 1972 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
21 1969 — — — — — — — — 0 1 1 0.0% — — — — 1973 — — — — 0 2 2 0.0% 0 1 1 0.0% — — — —
22 — — — — — — — — — — — — — — — — — 1974 — — — — — — — — — — — — 0 2 2 0.0%
23 1971 4 3 7 57.1% 0 1 1 0.0% 2 1 3 66.7% — — — — 1975 0 3 3 0.0% 0 1 1 0.0% 0 1 1 0.0% 0 2 2 0.0%
24 1972 5 3 8 62.5% 6 5 11 54.5% 2 5 7 28.6% — — — — 1976 — — — — 1 2 3 33.3% — — — — — — — —
25 1973 2 3 5 40.0% 2 6 8 25.0% 6 7 13 46.2% — — — — 1977 0 1 1 0.0% 0 4 4 0.0% 0 2 2 0.0% — — — —
26 1974 2 4 6 33.3% 10 11 21 47.6% 0 2 2 0.0% 2 5 7 28.6% 1978 1 3 4 25.0% 1 1 2 50.0% 0 1 1 0.0% — — — —
27 1975 0 5 5 0.0% 7 10 17 41.2% 1 2 3 33.3% 3 6 9 33.3% 1979 — — — — 0 1 1 0.0% — — — — — — — —
28 1976 0 2 2 0.0% 1 6 7 14.3% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
29 1977 — — — — 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
30 1978 — — — — 2 1 3 66.7% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
31 1979 — — — — 3 1 4 75.0% — — — — — — — — — — — — — — — — — — — — — — — — —
32 1980 — — — — 2 1 3 66.7% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
36 1984 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 13 21 34 38.2% 34 43 77 44.2% 12 22 34 35.3% 5 13 18 27.8% — 1 8 9 11.1% 2 13 15 13.3% 1 7 8 12.5% 0 5 5 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 Jun Kamiwazumi Woody Blocher
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 — — — — — — — — — — — — — — — — 1969 1493 93.6 — — — — — — +40 30.0% -2.50 — — — +0.16
20 1968 1498 97.2 — — — — — — — 50.0% -0.83 — — — +0.25 1972 1472 96.1 — — — — — — — 20.0% -3.00 0–1 — — -0.02
21 1969 1483 95.1 — — — — — — — 0.0% -4.50 — — — +0.04 1973 1446 97.5 — — — — — — — 14.3% -2.71 0–1 — — -0.18
22 — — — — — — — — — — — — — — — — 1974 1435 98.7 — — — — — — — 20.0% -1.40 0–1 — — -0.07
23 1971 1535 104.7 — — — — +40 — +24 52.8% -0.42 1–2 (33%) 4–0 (100%) 102.6 +1.62 1975 1401 108.7 — — — — +40 — — 11.8% -2.53 0–2 — — -0.18
24 1972 1538 106.9 — — — — +68 +51 -34 47.8% -0.15 6–3 (67%) 1–2 (33%) 103.3 +3.47 1976 1410 102.7 — — — — — +82 — 33.3% -0.50 — 0–1 — +0.09
25 1973 1527 111.0 — — — — +83 -10 +16 39.7% -0.59 5–3 (63%) 5–6 (45%) 103.9 +1.56 1977 1375 94.9 — — — — — +77 — 6.3% -3.38 0–1 1–0 — -0.18
26 1974 1580 122.2 — — — — -11 +26 — 38.8% -0.85 5–6 (45%) 5–3 (63%) 102.2 +0.26 1978 1405 101.3 — — — — +38 — — 35.7% -1.50 1–1 1–0 — +0.03
27 1975 1570 124.1 — — — — -82 +30 -44 37.5% -0.76 2–5 (29%) 4–3 (57%) 97.0 -0.39 1979 1389 95.5 — — — — — — — 0.0% -2.50 — — — +0.32
28 1976 1515 119.6 — — — — — +32 — 14.8% -2.19 1–1 0–3 (0%) — -1.33 — — — — — — — — — — — — — — — —
29 1977 1523 106.2 — — — — — — — 42.9% -1.14 0–1 — — -0.19 — — — — — — — — — — — — — — — —
30 1978 1550 104.9 — — — — — +38 — 50.0% -0.40 1–1 1–1 — -0.01 — — — — — — — — — — — — — — — —
31 1979 1589 113.2 — — — — — +30 — 75.0% +1.75 — 0–1 — +0.47 — — — — — — — — — — — — — — — —
32 1980 1596 103.5 — — — — — +22 — 40.0% -0.20 2–0 1–1 — +0.26 — — — — — — — — — — — — — — — —
36 1984 1581 98.5 — — — — — — — 0.0% -3.50 — — — +0.05 — — — — — — — — — — — — — — — —
Career — 1624 119.2 — — — — -1 +28 -3 40.7% -0.68 23–22 (51%) 21–20 (51%) 104.4 +3.76 — 1500 97.9 — — — — +39 +79 +40 19.5% -2.34 1–7 (13%) 2–1 (67%) 95.6 -0.09

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.