H2H data updated: 2026-10-28 00:00 UTC

Zan Guerry vs Hans Joachim Ploetz H2H: 1-0

Zan Guerry holds a 1–0 lead over Hans Joachim Ploetz in their ATP head-to-head. Across 1 main-draw meeting, Zan Guerry leads 1–0 on clay. Most recently, Zan Guerry won the 1969 Roland Garros round of 128 6-0 2-6 1-6 6-2 8-6.

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Zan Guerry
USA Age 77 Right-Handed
H2H
1 – 0
1 main-draw meetings
Hans Joachim Ploetz
GER Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Zan Guerry 6-0 2-6 1-6 6-2 8-6 Hans Joachim Ploetz Match data May 30, 1969* R128 Roland Garros Grand Slam 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
Zan Guerry — #98 0 1,598 41 76 35.0% 0 0 0 0 0 0
Hans Joachim Ploetz — #65 0 1,645 73 98 42.7% 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.

Zan Guerry Hans Joachim Ploetz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 4–6 40.0% — 1,476 0 0 1968 15–12 55.6% — 1,523 0 0
1969 8–10 44.4% — 1,526 0 0 1969 18–16 52.9% — 1,600 0 0
1970 1–3 25.0% — 1,509 0 0 1970 12–18 40.0% — 1,596 0 0
1971 4–6 40.0% — 1,511 0 0 1971 2–5 28.6% — 1,559 0 0
1972 5–7 41.7% — 1,513 0 0 1972 2–5 28.6% — 1,526 0 0
1973 3–5 37.5% #203 1,515 0 0 1973 2–5 28.6% — 1,508 0 0
1974 1–1 50.0% #228 1,536 0 0 1974 5–9 35.7% #95 1,563 0 0
1975 2–2 50.0% #205 1,565 0 0 1975 15–18 45.5% #76 1,614 0 0
1976 0–6 0.0% #176 1,500 0 0 1976 2–10 16.7% #185 1,514 0 0
1977 8–16 33.3% — 1,562 0 0 — — — — — — —
1978 2–7 22.2% #279 1,522 0 0 — — — — — — —
1979 1–3 25.0% #326 1,517 0 0 — — — — — — —
1980 1–2 33.3% — 1,483 0 0 — — — — — — —
1981 0–1 0.0% — 1,477 0 0 — — — — — — —
1982 1–1 50.0% — 1,498 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.

Zan Guerry Hans Joachim Ploetz
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 — — — — 3 3 6 50.0% 1 3 4 25.0% — — — — 1968 5 4 9 55.6% 8 5 13 61.5% 0 2 2 0.0% 2 1 3 66.7%
1969 0 1 1 0.0% 6 5 11 54.5% 2 4 6 33.3% — — — — 1969 4 4 8 50.0% 8 7 15 53.3% 3 2 5 60.0% 3 3 6 50.0%
1970 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — 1970 0 3 3 0.0% 10 10 20 50.0% 2 2 4 50.0% 0 3 3 0.0%
1971 2 2 4 50.0% 2 3 5 40.0% 0 1 1 0.0% — — — — 1971 — — — — 1 4 5 20.0% 1 1 2 50.0% — — — —
1972 1 2 3 33.3% 4 4 8 50.0% 0 1 1 0.0% — — — — 1972 1 1 2 50.0% 0 1 1 0.0% 1 3 4 25.0% — — — —
1973 2 4 6 33.3% — — — — 1 1 2 50.0% — — — — 1973 — — — — 0 1 1 0.0% 2 4 6 33.3% — — — —
1974 — — — — 1 1 2 50.0% — — — — — — — — 1974 — — — — 5 8 13 38.5% 0 1 1 0.0% — — — —
1975 1 1 2 50.0% 1 1 2 50.0% — — — — — — — — 1975 — — — — 14 17 31 45.2% — — — — 1 1 2 50.0%
1976 0 2 2 0.0% 0 3 3 0.0% — — — — 0 1 1 0.0% 1976 0 3 3 0.0% 2 6 8 25.0% 0 1 1 0.0% — — — —
1977 0 3 3 0.0% 8 11 19 42.1% — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — —
1978 — — — — 2 3 5 40.0% — — — — 0 4 4 0.0% — — — — — — — — — — — — — — — — —
1979 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — —
1980 — — — — 0 1 1 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
1981 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
1982 — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career 6 17 23 26.1% 30 41 71 42.3% 5 11 16 31.2% 0 7 7 0.0% Career 10 15 25 40.0% 48 59 107 44.9% 9 16 25 36.0% 6 8 14 42.9%

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.

Zan Guerry Hans Joachim Ploetz
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 1477 99.0 — — — — — +41 -13 41.7% -0.50 1–1 — — -0.13 1968 1524 101.0 — — — — +24 +27 — 46.0% -0.57 4–1 (80%) — — +0.30
1969 1527 112.6 — — — — — +58 -60 47.9% -0.10 3–3 (50%) — — -0.60 1969 1601 114.3 — — — — -8 -13 -51 50.0% +0.09 7–5 (58%) — — +1.53
1970 1509 100.8 — — — — — +67 — 36.4% -1.36 1–2 (33%) — — +0.06 1970 1597 116.8 — — — — -108 +24 -49 37.7% -0.62 4–2 (67%) — — -0.08
1971 1512 109.1 — — — — -8 +73 — 34.8% -0.43 2–1 (67%) 0–3 (0%) 99.0 +0.02 1971 1559 105.3 — — — — — +5 — 37.5% -1.58 0–1 0–1 — +0.29
1972 1513 101.7 — — — — -18 +69 — 45.5% -0.03 3–4 (43%) 3–6 (33%) 95.4 +1.00 1972 1527 106.3 — — — — — — +18 31.6% -1.37 1–2 (33%) 1–1 — +0.12
1973 1516 109.4 — — — — -6 — — 45.8% -0.17 2–3 (40%) 2–2 (50%) 101.5 +0.71 1973 1509 106.9 — — — — — — +2 12.5% -2.37 — — — -0.48
1974 1537 108.8 — — — — — — — 50.0% -0.50 — 1–0 — -0.19 1974 1563 120.7 — — — — — +8 — 37.5% -0.82 3–2 (60%) 3–0 (100%) 105.8 -0.62
1975 1565 108.3 — — — — — — — 44.4% -0.22 1–0 0–1 — +0.08 1975 1615 117.5 — — — — — 0 — 44.7% -0.47 6–4 (60%) 4–5 (44%) 103.7 +3.27
1976 1500 112.0 — — — — -21 +41 — 14.3% -1.71 0–1 0–1 — +0.12 1976 1515 102.4 — — — — -53 +33 — 22.6% -1.74 1–2 (33%) — — +0.60
1977 1563 135.9 — — — — -120 +42 — 39.3% -0.73 2–6 (25%) 1–2 (33%) — -0.82 — — — — — — — — — — — — — — — —
1978 1523 109.4 — — — — -107 +79 — 37.5% -1.04 1–5 (17%) 2–0 — +0.86 — — — — — — — — — — — — — — — —
1979 1518 104.3 — — — — — +61 — 40.0% -0.70 0–2 — — -0.17 — — — — — — — — — — — — — — — —
1980 1484 91.9 — — — — — — — 0.0% -3.75 — — — +0.48 — — — — — — — — — — — — — — — —
1981 1478 100.2 — — — — — — — 0.0% -3.50 — — — -0.08 — — — — — — — — — — — — — — — —
1982 1499 109.7 — — — — — — — 40.0% -0.80 1–0 — — -0.23 — — — — — — — — — — — — — — — —
Career 1598 119.7 — — — — -49 +56 -41 39.9% -0.60 17–28 (38%) 9–15 (38%) 94.7 +0.97 Career 1645 115.7 — — — — -18 +10 -19 40.4% -0.69 26–19 (58%) 8–7 (53%) 108.8 +2.95

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.