H2H data updated: 2026-10-20 00:00 UTC

Jun Kamiwazumi vs Nicholas Kalogeropoulos H2H: 0-1

Nicholas Kalogeropoulos holds a 1–0 lead over Jun Kamiwazumi in their ATP head-to-head. Across 1 main-draw meeting, Nicholas Kalogeropoulos leads 1–0 on grass. Most recently, Nicholas Kalogeropoulos won the 1972 Manchester round of 128 7-5 6-8 6-1.

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Jun Kamiwazumi
JPN Age 79 Right-Handed
H2H
0 – 1
1 main-draw meetings
Nicholas Kalogeropoulos
GRE Age 81 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Nicholas Kalogeropoulos 7-5 6-8 6-1 Jun Kamiwazumi Match data Jun 6, 1972* R128 Manchester 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 1,623 64 99 39.3% 0 0 0 0 0 0
Nicholas Kalogeropoulos #511 #108 0 1,686 55 75 42.3% 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 Nicholas Kalogeropoulos
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1968 1–1 50.0% — 1,498 0 0 — — — — — — —
21 1969 0–1 0.0% — 1,483 0 0 — — — — — — —
23 1971 6–5 54.5% — 1,535 0 0 1968 13–13 50.0% — 1,533 0 0
24 1972 13–13 50.0% — 1,537 0 0 1969 9–10 47.4% — 1,587 0 0
25 1973 10–16 38.5% #94 1,526 0 0 1970 10–6 62.5% — 1,661 0 0
26 1974 14–22 38.9% #100 1,579 0 0 1971 4–7 36.4% — 1,655 0 0
27 1975 11–23 32.4% #127 1,570 0 0 1972 5–8 38.5% — 1,640 0 0
28 1976 1–10 9.1% #206 1,514 0 0 1973 12–18 40.0% #113 1,567 0 0
29 1977 1–2 33.3% #264 1,522 0 0 1974 1–11 8.3% #245 1,479 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 — — — — — — —
34 — — — — — — — 1979 1–1 50.0% #511 1,488 0 0
35 — — — — — — — 1980 0–1 0.0% — 1,477 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 Nicholas Kalogeropoulos
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 %
20 1968 — — — — — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
21 1969 — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
23 1971 4 3 7 57.1% 0 1 1 0.0% 2 1 3 66.7% — — — — 1968 — — — — 12 11 23 52.2% 1 2 3 33.3% — — — —
24 1972 5 3 8 62.5% 6 5 11 54.5% 2 5 7 28.6% — — — — 1969 0 1 1 0.0% 6 6 12 50.0% 2 2 4 50.0% 1 1 2 50.0%
25 1973 2 3 5 40.0% 2 6 8 25.0% 6 7 13 46.2% — — — — 1970 2 1 3 66.7% 2 2 4 50.0% 6 3 9 66.7% — — — —
26 1974 2 4 6 33.3% 10 11 21 47.6% 0 2 2 0.0% 2 5 7 28.6% 1971 2 3 5 40.0% 0 2 2 0.0% 2 2 4 50.0% — — — —
27 1975 0 5 5 0.0% 7 10 17 41.2% 1 2 3 33.3% 3 6 9 33.3% 1972 — — — — 3 5 8 37.5% 2 3 5 40.0% — — — —
28 1976 0 2 2 0.0% 1 6 7 14.3% 0 2 2 0.0% — — — — 1973 5 7 12 41.7% 3 6 9 33.3% 0 2 2 0.0% 4 3 7 57.1%
29 1977 — — — — 1 1 2 50.0% 0 1 1 0.0% — — — — 1974 0 2 2 0.0% — — — — — — — — 1 9 10 10.0%
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% — — — — — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — — 1979 1 1 2 50.0% — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — — 1980 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% — 10 16 26 38.5% 26 32 58 44.8% 13 14 27 48.1% 6 13 19 31.6%

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 Nicholas Kalogeropoulos
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
20 1968 1498 97.2 — — — — — — — 50.0% -0.83 — — — +0.25 — — — — — — — — — — — — — — — —
21 1969 1483 95.1 — — — — — — — 0.0% -4.50 — — — +0.04 — — — — — — — — — — — — — — — —
23 1971 1535 104.8 — — — — +40 — +23 52.8% -0.42 1–2 (33%) 4–0 (100%) 102.6 +1.61 1968 1534 109.4 — — — — — +9 — 49.3% -0.23 6–3 (67%) — — +0.08
24 1972 1537 106.8 — — — — +69 +51 -33 47.8% -0.15 6–3 (67%) 1–2 (33%) 103.3 +3.48 1969 1588 115.4 — — — — -10 -28 -2 45.8% -0.31 2–1 (67%) — — +0.63
25 1973 1526 110.9 — — — — +84 -10 +17 39.7% -0.59 5–3 (63%) 5–6 (45%) 103.9 +1.56 1970 1661 120.0 — — — — -41 -95 +5 54.8% +0.31 4–2 (67%) — — +0.03
26 1974 1579 122.0 — — — — -11 +26 — 38.8% -0.85 5–6 (45%) 5–3 (63%) 102.2 +0.29 1971 1655 116.5 — — — — -51 — +31 43.9% -0.24 3–5 (38%) 2–2 (50%) 98.2 -1.12
27 1975 1570 124.1 — — — — -81 +30 -45 37.5% -0.76 2–5 (29%) 4–3 (57%) 97.0 -0.39 1972 1641 114.4 — — — — — -46 +3 42.9% -0.36 3–2 (60%) 2–0 — -0.44
28 1976 1515 119.5 — — — — — +32 — 14.8% -2.19 1–1 0–3 (0%) — -1.33 1973 1568 120.8 — — — — +76 -5 — 46.6% +0.05 5–9 (36%) 3–5 (38%) 94.6 +2.24
29 1977 1523 106.2 — — — — — — — 42.9% -1.14 0–1 — — -0.19 1974 1480 110.7 — — — — +21 — — 25.8% -1.13 1–6 (14%) 2–3 (40%) 93.2 +0.84
30 1978 1549 104.8 — — — — — +38 — 50.0% -0.40 1–1 1–1 — -0.01 — — — — — — — — — — — — — — — —
31 1979 1589 113.2 — — — — — +29 — 75.0% +1.75 — 0–1 — +0.47 — — — — — — — — — — — — — — — —
32 1980 1596 103.5 — — — — — +23 — 40.0% -0.20 2–0 1–1 — +0.26 — — — — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 1979 1489 103.6 — — — — — — — 50.0% -0.50 — 1–0 — +0.24
35 — — — — — — — — — — — — — — — — 1980 1478 100.1 — — — — — — — 0.0% -2.00 — — — +0.08
36 1984 1581 98.5 — — — — — — — 0.0% -3.50 — — — +0.05 — — — — — — — — — — — — — — — —
Career — 1624 119.1 — — — — -1 +28 -3 40.7% -0.68 23–22 (51%) 21–20 (51%) 104.4 +3.78 — 1686 120.7 — — — — +31 -16 +8 45.2% -0.23 24–28 (46%) 10–10 (50%) 100.1 +2.03

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.