H2H data updated: 2026-10-21 00:00 UTC

Ion Tiriac vs John Clifton H2H: 1-0

Ion Tiriac holds a 1–0 lead over John Clifton in their ATP head-to-head. Across 1 main-draw meeting, Ion Tiriac leads 1–0 on clay. Most recently, Ion Tiriac won the 1968 Parioli round of 32 6-2 6-0.

ROU Age 87 Right-Handed 185 cm / 6'1"
H2H
1 – 0
1 main-draw meetings
GBR Age 80 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ion Tiriac 6-2 6-0 John Clifton Match data Mar 28, 1968* R32 Parioli 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
Ion Tiriac #439 #55 0 1,885 226 188 54.6% 0 0 0 0 4 4
John Clifton #323 #243 0 1,504 15 35 30.0% 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 Ion Tiriac John Clifton
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
22 — — — — — — — 1968 4–7 36.4% — 1,455 0 0
23 — — — — — — — 1969 3–4 42.9% — 1,480 0 0
24 — — — — — — — 1970 4–10 28.6% — 1,443 0 0
25 — — — — — — — 1971 2–7 22.2% — 1,430 0 0
26 — — — — — — — 1972 0–3 0.0% — 1,400 0 0
27 — — — — — — — 1973 0–2 0.0% — 1,384 0 0
28 — — — — — — — 1974 2–2 50.0% #318 1,406 0 0
29 1968 60–12 83.3% — 1,832 0 2 — — — — — — —
30 1969 14–14 50.0% — 1,762 0 2 — — — — — — —
31 1970 32–21 60.4% — 1,808 0 3 — — — — — — —
32 1971 27–16 62.8% — 1,782 0 4 — — — — — — —
33 1972 23–26 46.9% — 1,675 0 4 — — — — — — —
34 1973 34–35 49.3% #74 1,677 0 4 — — — — — — —
35 1974 9–14 39.1% #72 1,619 0 4 — — — — — — —
36 1975 8–10 44.4% #138 1,594 0 4 — — — — — — —
37 1976 1–7 12.5% #248 1,548 0 4 — — — — — — —
38 1977 15–20 42.9% #97 1,631 0 4 — — — — — — —
39 1978 2–10 16.7% #263 1,522 0 4 — — — — — — —
40 1979 1–3 25.0% #439 1,524 0 4 — — — — — — —

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 Ion Tiriac John Clifton
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
22 — — — — — — — — — — — — — — — — 1968 1456 101.2 — — — — +17 +31 +64 40.7% -0.63 0–1 — — +0.13
23 — — — — — — — — — — — — — — — — 1969 1481 108.3 — — — — +55 — +35 44.4% -0.39 1–1 — — +0.11
24 — — — — — — — — — — — — — — — — 1970 1444 103.6 — — — — — +11 +39 31.4% -1.03 0–1 — — +0.69
25 — — — — — — — — — — — — — — — — 1971 1430 106.7 — — — — — +11 +47 20.8% -1.88 1–0 — — +0.19
26 — — — — — — — — — — — — — — — — 1972 1401 99.1 — — — — — — +31 33.3% -2.17 0–2 — — -0.11
27 — — — — — — — — — — — — — — — — 1973 1384 98.6 — — — — — — — 40.0% 0.00 0–1 — — +0.11
28 — — — — — — — — — — — — — — — — 1974 1407 100.6 — — — — — — +15 55.6% -0.22 0–1 — — +0.46
29 1968 1833 137.7 — — — — — +131 -203 75.3% +1.86 9–2 (82%) — — +2.00 — — — — — — — — — — — — — — — —
30 1969 1763 123.3 — — — — -148 +136 -139 51.5% +0.17 1–0 — — -1.84 — — — — — — — — — — — — — — — —
31 1970 1808 137.8 — — — — -160 +97 -150 63.5% +0.93 3–9 (25%) — — -0.64 — — — — — — — — — — — — — — — —
32 1971 1783 135.6 — — — — -170 +111 -58 58.1% +0.67 5–1 (83%) 2–4 (33%) 103.9 +3.38 — — — — — — — — — — — — — — — —
33 1972 1676 128.9 — — — — -62 +102 +64 51.5% +0.05 6–15 (29%) 3–4 (43%) 92.8 +3.05 — — — — — — — — — — — — — — — —
34 1973 1678 129.0 — — — — -55 0 +87 50.6% +0.14 10–13 (43%) 7–6 (54%) 98.5 +4.22 — — — — — — — — — — — — — — — —
35 1974 1619 121.8 — — — — +72 -35 — 38.5% -0.69 3–2 (60%) 1–3 (25%) 100.2 +0.03 — — — — — — — — — — — — — — — —
36 1975 1595 116.1 — — — — +71 -22 — 43.5% -0.11 4–4 (50%) 1–8 (11%) 94.0 +2.98 — — — — — — — — — — — — — — — —
37 1976 1548 112.0 — — — — +53 — — 20.0% -2.20 0–1 0–1 — +0.52 — — — — — — — — — — — — — — — —
38 1977 1631 138.9 — — — — -92 +39 — 44.9% -0.49 2–6 (25%) 6–4 (60%) 98.6 -0.45 — — — — — — — — — — — — — — — —
39 1978 1523 117.6 — — — — +24 +98 +113 23.3% -1.60 1–2 (33%) 0–1 — +0.15 — — — — — — — — — — — — — — — —
40 1979 1525 117.9 — — — — — — — 40.0% -1.10 0–2 1–0 — -0.12 — — — — — — — — — — — — — — — —
Career — 1886 136.9 — — — — -53 +83 -30 55.3% +0.42 44–57 (44%) 21–31 (40%) 92.8 +3.27 — 1505 105.3 — — — — +33 +15 +40 35.5% -0.97 2–7 (22%) — — +3.22

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.