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

Zan Guerry vs Chum Steele Iii H2H: 0-1

Chum Steele Iii holds a 1–0 lead over Zan Guerry in their ATP head-to-head. Across 1 main-draw meeting, Chum Steele Iii leads 1–0 on grass. Most recently, Chum Steele Iii won the 1969 Haverford round of 32 5-4 RET.

USA Age 77 Right-Handed
H2H
0 – 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Chum Steele Iii 5-4 (ret.) Zan Guerry Match data Aug 14, 1969* R32 Haverford 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
Zan Guerry #490 #98 0 1,596 41 77 34.7% 0 0 0 0 0 0
Chum Steele Iii — — — 1,502 — — — 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 Chum Steele Iii
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 4–6 40.0% — 1,476 0 0 — — — — — — —
1969 8–10 44.4% — 1,526 0 0 — — — — — — —
1970 1–4 20.0% — 1,493 0 0 — — — — — — —
1971 4–6 40.0% — 1,500 0 0 — — — — — — —
1972 5–7 41.7% — 1,507 0 0 — — — — — — —
1973 3–5 37.5% #203 1,511 0 0 — — — — — — —
1974 1–1 50.0% #228 1,532 0 0 — — — — — — —
1975 2–2 50.0% #205 1,561 0 0 — — — — — — —
1976 0–6 0.0% #176 1,496 0 0 — — — — — — —
1977 8–16 33.3% #98 1,561 0 0 — — — — — — —
1978 2–7 22.2% #279 1,521 0 0 — — — — — — —
1979 1–3 25.0% #326 1,517 0 0 — — — — — — —
1980 1–2 33.3% — 1,482 0 0 — — — — — — —
1981 0–1 0.0% — 1,476 0 0 — — — — — — —
1982 1–1 50.0% — 1,497 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 Chum Steele Iii
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 — — — — 0 2 2 0.0% 2 4 6 33.3% — — — —
1969 0 1 1 0.0% 6 5 11 54.5% 2 4 6 33.3% — — — — 1969 — — — — — — — — 2 6 8 25.0% — — — —
1970 0 1 1 0.0% 1 3 4 25.0% — — — — — — — — 1970 0 1 1 0.0% 0 3 3 0.0% 3 4 7 42.9% — — — —
1971 2 2 4 50.0% 2 3 5 40.0% 0 1 1 0.0% — — — — 1974 — — — — 0 1 1 0.0% — — — — — — — —
1972 1 2 3 33.3% 4 4 8 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
1973 2 4 6 33.3% — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
1974 — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
1975 1 1 2 50.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
1976 0 2 2 0.0% 0 3 3 0.0% — — — — 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 42 72 41.7% 5 11 16 31.2% 0 7 7 0.0% Career 0 1 1 0.0% 0 6 6 0.0% 7 14 21 33.3% — — — —

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 Chum Steele Iii
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 1473 94.1 — — — — — — +8 26.3% -2.16 2–1 (67%) — — -0.18
1969 1527 112.6 — — — — — +58 -60 47.9% -0.10 3–3 (50%) — — -0.60 1969 1444 98.5 — — — — — — -28 26.3% -1.11 0–2 — — -0.04
1970 1493 96.6 — — — — — +59 — 30.8% -1.92 1–2 (33%) — — +0.15 1970 1434 104.0 — — — — — +28 -4 35.5% -1.00 2–4 (33%) 1–1 — +0.46
1971 1500 108.9 — — — — +4 +68 — 34.8% -0.43 2–1 (67%) 0–3 (0%) 99.1 +0.03 1974 1420 96.7 — — — — — — — 0.0% -3.00 — — — +0.21
1972 1507 102.0 — — — — -12 +64 — 45.5% -0.03 3–4 (43%) 3–6 (33%) 95.6 +0.97 — — — — — — — — — — — — — — — —
1973 1511 109.4 — — — — -1 — — 45.8% -0.17 2–3 (40%) 2–2 (50%) 101.5 +0.71 — — — — — — — — — — — — — — — —
1974 1533 108.8 — — — — — — — 50.0% -0.50 — 1–0 — -0.18 — — — — — — — — — — — — — — — —
1975 1562 108.4 — — — — — — — 44.4% -0.22 1–0 0–1 — +0.08 — — — — — — — — — — — — — — — —
1976 1497 112.0 — — — — -18 +37 — 14.3% -1.71 0–1 0–1 — +0.12 — — — — — — — — — — — — — — — —
1977 1561 136.0 — — — — -118 +40 — 39.3% -0.73 2–6 (25%) 1–2 (33%) — -0.81 — — — — — — — — — — — — — — — —
1978 1522 109.4 — — — — -106 +76 — 37.5% -1.04 1–5 (17%) 2–0 — +0.86 — — — — — — — — — — — — — — — —
1979 1517 104.3 — — — — — +58 — 40.0% -0.70 0–2 — — -0.17 — — — — — — — — — — — — — — — —
1980 1483 91.9 — — — — — — — 0.0% -3.75 — — — +0.48 — — — — — — — — — — — — — — — —
1981 1477 100.2 — — — — — — — 0.0% -3.50 — — — -0.08 — — — — — — — — — — — — — — — —
1982 1498 109.7 — — — — — — — 40.0% -0.80 1–0 — — -0.23 — — — — — — — — — — — — — — — —
Career 1596 119.1 — — — — -44 +53 -41 39.6% -0.63 17–28 (38%) 9–15 (38%) 94.9 +1.03 Career 1502 98.3 — — — — — +28 -10 29.6% -1.40 4–7 (36%) 1–1 — +1.67

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.