H2H data updated: 2026-09-10 00:00 UTC

Nicholas Kalogeropoulos vs Pancho Guzman H2H: 0-1

Pancho Guzman holds a 1–0 lead over Nicholas Kalogeropoulos in their ATP head-to-head. Across 1 main-draw meeting, Pancho Guzman leads 1–0 on clay. Most recently, Pancho Guzman won the 1969 Jacksonville semifinal 6-4 9-7.

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

Nicholas Kalogeropoulos
GRE Age 81 Right-Handed
H2H
0 – 1
1 main-draw meetings
Pancho Guzman
ECU Age 80

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Pancho Guzman 6-4 9-7 Nicholas Kalogeropoulos Match data Apr 7, 1969* SF Jacksonville 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
Nicholas Kalogeropoulos #511 #108 0 1,686 55 75 42.3% 0 0 0 0 0 0
Pancho Guzman — — — 1,579 — — — 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.

Age Nicholas Kalogeropoulos Pancho Guzman
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
23 1968 13–13 50.0% — 1,533 0 0 — — — — — — —
24 1969 9–10 47.4% — 1,587 0 0 — — — — — — —
25 1970 10–6 62.5% — 1,661 0 0 — — — — — — —
26 1971 4–7 36.4% — 1,655 0 0 — — — — — — —
27 1972 5–8 38.5% — 1,641 0 0 — — — — — — —
28 1973 12–18 40.0% #113 1,567 0 0 — — — — — — —
29 1974 1–11 8.3% #245 1,479 0 0 — — — — — — —
34 1979 1–1 50.0% #511 1,488 0 0 — — — — — — —
35 1980 0–1 0.0% — 1,477 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 Nicholas Kalogeropoulos Pancho Guzman
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 %
22 — — — — — — — — — — — — — — — — — 1968 0 4 4 0.0% 4 4 8 50.0% 0 2 2 0.0% 0 2 2 0.0%
23 1968 — — — — 12 11 23 52.2% 1 2 3 33.3% — — — — 1969 0 2 2 0.0% 9 7 16 56.3% 2 5 7 28.6% 3 2 5 60.0%
24 1969 0 1 1 0.0% 6 6 12 50.0% 2 2 4 50.0% 1 1 2 50.0% 1970 0 2 2 0.0% 0 3 3 0.0% 1 3 4 25.0% — — — —
25 1970 2 1 3 66.7% 2 2 4 50.0% 6 3 9 66.7% — — — — 1971 1 2 3 33.3% 1 1 2 50.0% — — — — — — — —
26 1971 2 3 5 40.0% 0 2 2 0.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
27 1972 — — — — 3 5 8 37.5% 2 3 5 40.0% — — — — — — — — — — — — — — — — — — — — —
28 1973 5 7 12 41.7% 3 6 9 33.3% 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — —
29 1974 0 2 2 0.0% — — — — — — — — 1 9 10 10.0% — — — — — — — — — — — — — — — — —
34 1979 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
35 1980 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 10 16 26 38.5% 26 32 58 44.8% 13 14 27 48.1% 6 13 19 31.6% — 1 10 11 9.1% 14 15 29 48.3% 3 10 13 23.1% 3 4 7 42.9%

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 Nicholas Kalogeropoulos Pancho Guzman
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
22 — — — — — — — — — — — — — — — — 1968 1444 94.7 — — — — -32 +102 — 30.6% -1.44 3–3 (50%) — — -0.05
23 1968 1534 109.4 — — — — — +9 — 49.3% -0.23 6–3 (67%) — — +0.08 1969 1517 109.5 — — — — -49 +114 -97 44.3% -0.19 6–4 (60%) — — +1.32
24 1969 1588 115.4 — — — — -10 -28 -2 45.8% -0.31 2–1 (67%) — — +0.63 1970 1464 94.9 — — — — — — — 0.0% -4.34 — — — -0.10
25 1970 1661 120.0 — — — — -41 -97 +6 54.8% +0.31 4–2 (67%) — — +0.06 1971 1496 108.4 — — — — — — — 50.0% +0.10 1–1 0–1 — +0.01
26 1971 1656 117.3 — — — — -51 — +30 43.9% -0.24 3–5 (38%) 2–2 (50%) 98.2 -1.13 — — — — — — — — — — — — — — — —
27 1972 1641 114.3 — — — — — -45 +3 42.9% -0.36 3–2 (60%) 2–0 — -0.43 — — — — — — — — — — — — — — — —
28 1973 1568 120.8 — — — — +76 -4 — 46.6% +0.05 5–9 (36%) 3–5 (38%) 94.6 +2.25 — — — — — — — — — — — — — — — —
29 1974 1479 110.7 — — — — +22 — — 25.8% -1.13 1–6 (14%) 2–3 (40%) 93.2 +0.85 — — — — — — — — — — — — — — — —
34 1979 1489 103.6 — — — — — — — 50.0% -0.50 — 1–0 — +0.24 — — — — — — — — — — — — — — — —
35 1980 1478 100.1 — — — — — — — 0.0% -2.00 — — — +0.08 — — — — — — — — — — — — — — — —
Career — 1687 120.8 — — — — +31 -16 +8 45.2% -0.23 24–28 (46%) 10–10 (50%) 100.1 +2.07 — 1580 103.9 — — — — -41 +110 -97 36.7% -0.91 10–8 (56%) 0–1 — +2.27

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.