H2H data updated: 2026-09-07 00:00 UTC

Gustavo Guerrero vs Mike Cahill H2H: 1-0

Gustavo Guerrero holds a 1–0 lead over Mike Cahill in their ATP head-to-head. Across 1 main-draw meeting, Gustavo Guerrero leads 1–0 on clay. Most recently, Gustavo Guerrero won the 1980 Brussels round of 16 6-4 6-2.

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

Gustavo Guerrero
ARG Left-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Mike Cahill
USA Age 74 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Gustavo Guerrero 6-4 6-2 Mike Cahill Match data Jun 13, 1980* R16 Brussels 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
Gustavo Guerrero #1,235 #78 9 1,521 6 20 23.1% 0 0 0 0 0 0
Mike Cahill #448 #58 0 1,727 100 156 39.1% 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.

Gustavo Guerrero Mike Cahill
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1971 0–1 0.0% — 1,479 0 0 1974 4–4 50.0% #138 1,539 0 0
1979 0–1 0.0% #347 1,466 0 0 1975 10–17 37.0% #79 1,585 0 0
1980 3–4 42.9% #84 1,493 0 0 1976 13–27 32.5% #136 1,587 0 0
1981 1–9 10.0% #100 1,450 0 0 1977 10–18 35.7% #94 1,574 0 0
1983 0–1 0.0% #337 1,444 0 0 1978 17–20 45.9% #69 1,692 0 0
1984 0–1 0.0% #320 1,439 0 0 1979 18–25 41.9% #113 1,678 0 0
1985 1–1 50.0% #201 1,451 0 0 1980 10–19 34.5% #189 1,601 0 0
1986 0–1 0.0% #312 1,437 0 0 1981 6–10 37.5% #100 1,629 0 0
1987 1–1 50.0% #266 1,452 0 0 1982 12–14 46.2% #98 1,644 0 0
— — — — — — — 1983 0–2 0.0% #108 1,621 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.

Gustavo Guerrero Mike Cahill
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 %
1971 — — — — 0 1 1 0.0% — — — — — — — — 1974 — — — — 3 3 6 50.0% — — — — 1 1 2 50.0%
1979 — — — — 0 1 1 0.0% — — — — — — — — 1975 3 4 7 42.9% 6 9 15 40.0% — — — — 1 4 5 20.0%
1980 — — — — 3 4 7 42.9% — — — — — — — — 1976 1 4 5 20.0% 9 15 24 37.5% 0 2 2 0.0% 3 6 9 33.3%
1981 — — — — 1 9 10 10.0% — — — — — — — — 1977 2 3 5 40.0% 5 9 14 35.7% 0 1 1 0.0% 3 5 8 37.5%
1983 — — — — 0 1 1 0.0% — — — — — — — — 1978 5 6 11 45.5% 6 5 11 54.5% — — — — 6 9 15 40.0%
1984 — — — — 0 1 1 0.0% — — — — — — — — 1979 9 9 18 50.0% 8 8 16 50.0% 0 3 3 0.0% 1 5 6 16.7%
1985 — — — — 1 1 2 50.0% — — — — — — — — 1980 4 4 8 50.0% 6 9 15 40.0% — — — — 0 6 6 0.0%
1986 — — — — 0 1 1 0.0% — — — — — — — — 1981 5 5 10 50.0% 0 2 2 0.0% — — — — 1 3 4 25.0%
1987 — — — — 1 1 2 50.0% — — — — — — — — 1982 4 5 9 44.4% 6 4 10 60.0% — — — — 2 5 7 28.6%
— — — — — — — — — — — — — — — — — 1983 — — — — 0 2 2 0.0% — — — — — — — —
Career — — — — 6 20 26 23.1% — — — — — — — — Career 33 40 73 45.2% 49 66 115 42.6% 0 6 6 0.0% 18 44 62 29.0%

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.

Gustavo Guerrero Mike Cahill
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
1971 1479 94.9 — — — — — — — 0.0% -4.67 — — — +0.15 1974 1540 112.1 — — — — — +29 — 50.0% -0.44 1–1 3–0 (100%) — +0.47
1979 1466 95.5 — — — — — — — 0.0% -4.00 — — — +0.14 1975 1586 128.8 — — — — 0 -9 — 42.9% -0.51 2–9 (18%) 3–2 (60%) 96.8 +0.58
1980 1494 114.5 — — — — — +31 — 47.1% -0.88 1–2 (33%) 2–1 (67%) 101.0 +0.54 1976 1587 130.4 — — — — -15 -18 — 36.8% -0.84 4–7 (36%) 5–3 (63%) 99.8 -1.12
1981 1450 102.4 — — — — — +10 — 15.8% -2.32 1–0 — — +0.11 1977 1574 122.9 — — — — +16 -15 — 40.3% -0.63 4–7 (36%) 6–4 (60%) 102.2 +1.24
1983 1445 98.3 — — — — — — — 0.0% -2.00 — 0–1 — -0.05 1978 1692 139.6 — — — — -36 -53 — 45.8% +0.05 5–4 (56%) 2–8 (20%) 98.4 +0.86
1984 1439 102.6 — — — — — — — 0.0% -3.33 — — — -0.09 1979 1679 129.0 — — — — -28 +8 -236 42.7% -0.57 7–6 (54%) 5–6 (45%) 101.0 +0.42
1985 1451 102.4 — — — — — — — 40.0% -0.60 1–0 — — +0.18 1980 1602 134.8 — — — — +14 +31 — 35.5% -0.68 1–4 (20%) 2–7 (22%) 93.1 -0.50
1986 1438 98.2 — — — — — — — 33.3% -2.00 0–1 — — +0.18 1981 1630 125.6 — — — — +36 — — 44.7% -0.55 1–2 (33%) 4–2 (67%) 100.7 +0.59
1987 1453 106.6 — — — — — — — 50.0% -0.75 — 1–0 — +0.09 1982 1644 127.1 — — — — -2 +3 — 46.6% -0.35 4–5 (44%) 5–2 (71%) 102.8 +1.34
— — — — — — — — — — — — — — — — 1983 1621 97.8 — — — — — — — 0.0% -2.75 — — — -0.27
Career 1522 106.4 — — — — — +19 — 27.6% -1.85 3–3 (50%) 3–2 (60%) 103.3 +5.00 Career 1728 136.1 — — — — -7 -5 -236 41.6% -0.53 29–45 (39%) 35–34 (51%) 100.1 +1.42

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.