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

Istvan Gulyas vs John De Mendoza H2H: 0-1

John De Mendoza holds a 1–0 lead over Istvan Gulyas in their ATP head-to-head. Across 1 main-draw meeting, John De Mendoza leads 1–0 on carpet. Most recently, John De Mendoza won the 1968 Bremen Indoors round of 32 5-7 7-5 7-5.

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Istvan Gulyas
HUN Age 94 Right-Handed
H2H
0 – 1
1 main-draw meetings
John De Mendoza
GBR Age 77

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
John De Mendoza 5-7 7-5 7-5 Istvan Gulyas Match data Jan 25, 1968* R32 Bremen Indoors ATP 250 Carpet

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
Istvan Gulyas #890 #128 0 1,795 66 60 52.4% 0 0 0 0 2 2
John De Mendoza — — — 1,516 — — — 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.

Age Istvan Gulyas John De Mendoza
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
36 1968 29–16 64.4% — 1,725 0 2 — — — — — — —
37 1969 6–10 37.5% — 1,649 0 2 — — — — — — —
38 1970 12–7 63.2% — 1,700 0 2 — — — — — — —
39 1971 11–10 52.4% — 1,736 0 2 — — — — — — —
40 1972 4–7 36.4% — 1,652 0 2 — — — — — — —
41 1973 4–10 28.6% #222 1,577 0 2 — — — — — — —

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 Istvan Gulyas John De Mendoza
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
18 — — — — — — — — — — — — — — — — 1968 1501 99.7 — — — — — — — 40.0% -0.40 1–0 — — +0.09
20 — — — — — — — — — — — — — — — — 1970 1478 96.3 — — — — — — — 16.7% -2.67 — — — -0.04
21 — — — — — — — — — — — — — — — — 1971 1452 97.6 — — — — — — — 16.7% -2.50 — — — +0.25
22 — — — — — — — — — — — — — — — — 1972 1511 111.5 — — — — — — — 61.5% +0.92 — — — -0.04
36 1968 1725 117.9 — — — — -196 +81 — 59.0% +0.84 6–3 (67%) — — +1.32 — — — — — — — — — — — — — — — —
37 1969 1649 110.6 — — — — -139 +135 — 44.4% -0.31 0–3 (0%) — — +0.28 — — — — — — — — — — — — — — — —
38 1970 1700 127.4 — — — — -138 +94 — 54.9% +0.25 2–2 (50%) — — +0.33 — — — — — — — — — — — — — — — —
39 1971 1737 133.1 — — — — — +77 — 58.5% +1.11 0–4 (0%) — — +0.17 — — — — — — — — — — — — — — — —
40 1972 1653 112.6 — — — — — +69 — 36.8% -0.63 4–2 (67%) 0–1 — -0.09 — — — — — — — — — — — — — — — —
41 1973 1578 106.4 — — — — — +25 — 30.3% -1.45 1–1 3–0 (100%) — -0.72 — — — — — — — — — — — — — — — —
Career — 1795 123.9 — — — — -177 +79 — 51.3% +0.28 13–15 (46%) 3–1 (75%) 98.3 +1.04 — 1516 103.1 — — — — — — — 40.0% -0.70 1–0 — — +2.36

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.