H2H data updated: 2026-09-06 00:00 UTC

Kouichi Sayama vs Francisco Gonzalez H2H: 0-1

Francisco Gonzalez holds a 1–0 lead over Kouichi Sayama in their ATP head-to-head. Across 1 main-draw meeting, Francisco Gonzalez leads 1–0 on clay. Most recently, Francisco Gonzalez won the 1982 Japan Open round of 64 6-3 6-3.

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

Kouichi Sayama
JPN Right-Handed
H2H
0 – 1
1 main-draw meetings
Francisco Gonzalez
PAR Age 70 Right-Handed 193 cm / 6'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Francisco Gonzalez 6-3 6-3 Kouichi Sayama Match data Oct 20, 1982* R64 Japan Open 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
Kouichi Sayama #804 #534 4 1,500 0 1 0.0% 0 0 0 0 0 0
Francisco Gonzalez #997 #40 0 1,758 105 157 40.1% 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.

Kouichi Sayama Francisco Gonzalez
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1982 0–1 0.0% — 1,488 0 0 1975 0–2 0.0% #308 1,486 0 0
— — — — — — — 1976 0–3 0.0% #272 1,455 0 0
— — — — — — — 1977 4–6 40.0% #281 1,499 0 0
— — — — — — — 1978 8–10 44.4% #61 1,602 0 0
— — — — — — — 1979 21–26 44.7% #77 1,649 0 0
— — — — — — — 1980 12–20 37.5% #74 1,704 0 0
— — — — — — — 1981 12–15 44.4% #98 1,659 0 0
— — — — — — — 1982 14–19 42.4% #100 1,685 0 0
— — — — — — — 1983 11–16 40.7% #99 1,623 0 0
— — — — — — — 1984 14–17 45.2% #82 1,654 0 0
— — — — — — — 1985 9–17 34.6% #140 1,533 0 0
— — — — — — — 1986 0–6 0.0% #548 1,470 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.

Kouichi Sayama Francisco Gonzalez
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 %
1982 — — — — 0 1 1 0.0% — — — — — — — — 1975 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
— — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% 0 2 2 0.0% — — — — — — — —
— — — — — — — — — — — — — — — — — 1977 2 2 4 50.0% 2 4 6 33.3% — — — — — — — —
— — — — — — — — — — — — — — — — — 1978 0 3 3 0.0% 8 7 15 53.3% — — — — — — — —
— — — — — — — — — — — — — — — — — 1979 10 10 20 50.0% 6 7 13 46.2% 1 4 5 20.0% 4 5 9 44.4%
— — — — — — — — — — — — — — — — — 1980 11 9 20 55.0% 1 4 5 20.0% 0 3 3 0.0% 0 4 4 0.0%
— — — — — — — — — — — — — — — — — 1981 5 6 11 45.5% 2 5 7 28.6% 4 2 6 66.7% 1 2 3 33.3%
— — — — — — — — — — — — — — — — — 1982 2 4 6 33.3% 5 7 12 41.7% 4 4 8 50.0% 3 4 7 42.9%
— — — — — — — — — — — — — — — — — 1983 9 10 19 47.4% 0 3 3 0.0% — — — — 2 3 5 40.0%
— — — — — — — — — — — — — — — — — 1984 5 7 12 41.7% 2 3 5 40.0% 3 4 7 42.9% 4 3 7 57.1%
— — — — — — — — — — — — — — — — — 1985 0 4 4 0.0% — — — — 4 7 11 36.4% 5 6 11 45.5%
— — — — — — — — — — — — — — — — — 1986 0 5 5 0.0% — — — — — — — — 0 1 1 0.0%
Career — — — — 0 1 1 0.0% — — — — — — — — Career 44 62 106 41.5% 26 43 69 37.7% 16 24 40 40.0% 19 28 47 40.4%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. 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.

Kouichi Sayama Francisco Gonzalez
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
1982 1489 97.0 — — — — — — — 0.0% -3.00 — — — +0.05 1975 1487 102.1 — — — — — — — 20.0% -1.40 0–1 0–2 — -0.09
— — — — — — — — — — — — — — — — 1976 1455 101.2 — — — — — — — 25.0% -1.88 0–2 0–1 — +0.16
— — — — — — — — — — — — — — — — 1977 1500 113.8 — — — — +54 +17 — 39.1% -1.61 2–1 (67%) 3–2 (60%) 102.7 +0.31
— — — — — — — — — — — — — — — — 1978 1602 128.6 — — — — -59 +21 — 41.0% -0.90 3–2 (60%) 4–1 (80%) 104.6 -1.22
— — — — — — — — — — — — — — — — 1979 1650 132.9 — — — — +20 -50 -143 44.3% -0.28 7–6 (54%) 6–10 (38%) 103.4 +0.49
— — — — — — — — — — — — — — — — 1980 1704 136.2 — — — — +18 -124 -228 40.5% -0.65 4–4 (50%) 7–7 (50%) 101.5 -2.51
— — — — — — — — — — — — — — — — 1981 1659 126.6 — — — — +2 -100 -75 48.6% -0.11 2–4 (33%) 5–2 (71%) 100.8 +0.46
— — — — — — — — — — — — — — — — 1982 1686 129.7 — — — — -33 -103 -85 46.4% -0.12 3–7 (30%) 11–12 (48%) 97.9 +0.29
— — — — — — — — — — — — — — — — 1983 1624 126.5 — — — — +5 -83 — 37.7% -0.84 4–0 (100%) 6–7 (46%) 105.3 +0.17
— — — — — — — — — — — — — — — — 1984 1655 132.0 — — — — -20 -90 +1 46.9% -0.02 4–6 (40%) 5–6 (45%) 98.8 +1.36
— — — — — — — — — — — — — — — — 1985 1533 120.3 — — — — +42 — +57 39.1% -0.35 5–5 (50%) 5–7 (42%) 100.1 +1.77
— — — — — — — — — — — — — — — — 1986 1470 107.8 — — — — +29 — — 13.3% -2.07 0–2 1–3 (25%) — +0.28
Career 1500 98.4 — — — — — — — 0.0% -3.00 — — — +5.00 Career 1759 134.8 — — — — +8 -53 -47 42.2% -0.47 34–40 (46%) 53–60 (47%) 102.8 +0.56

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.