H2H data updated: 2026-07-18 02:15 UTC

Ion Tiriac vs Clark Graebner H2H: 0-6

Clark Graebner holds a 6–0 lead over Ion Tiriac in their ATP head-to-head. Across 6 main-draw meetings, Clark Graebner leads 3–0 on clay and 2–0 on hard courts. Most recently, Clark Graebner won the 1975 Freeport fourth round 7-5 6-4.

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

Ion Tiriac
ROU Age 87 Right-Handed 185 cm / 6'1"
H2H
0 – 6
6 main draw meetings
Clark Graebner
USA Age 82 Right-Handed 188 cm / 6'2"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jan 17, 1975* Freeport ATP 250 R16 Clay Clark Graebner #99 7-5 6-4 Ion Tiriac #72 Match data
Mar 14, 1973* Paramus ATP 250 QF Hard Clark Graebner 6-4 6-4 Ion Tiriac Match data
Mar 12, 1971* Hampton ATP 250 SF Hard Clark Graebner 6-2 6-2 7-5 Ion Tiriac Match data
Jul 31, 1970* Indianapolis ATP 250 R16 Clay Clark Graebner 1-6 6-3 6-1 Ion Tiriac Match data
Jul 31, 1970* Indianapolis ATP 250 R16 Clay Clark Graebner 1-6 6-3 6-1 Ion Tiriac Match data
Jun 26, 1970* Wimbledon Grand Slam R64 Grass Clark Graebner 4-6 14-12 6-2 (ret.) Ion Tiriac Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Ion Tiriac #439 #55 0 1,899 228 190 54.5% 0 0 0 0 8 8
Clark Graebner #199 #45 0 2,015 342 162 67.9% 0 0 0 0 12 12

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 Clark Graebner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
24 — — — — — — — 1968 74–22 77.1% — 1,820 0 2
25 — — — — — — — 1969 49–14 77.8% — 1,842 0 6
26 — — — — — — — 1970 58–28 67.4% — 1,839 0 8
27 — — — — — — — 1971 75–29 72.1% — 1,878 0 11
28 — — — — — — — 1972 33–22 60.0% — 1,812 0 11
29 1968 60–12 83.3% — 1,804 0 6 1973 34–19 64.2% #48 1,768 0 12
30 1969 14–14 50.0% — 1,755 0 6 1974 11–14 44.0% #99 1,685 0 12
31 1970 34–22 60.7% — 1,795 0 7 1975 8–11 42.1% #120 1,580 0 12
32 1971 27–16 62.8% — 1,778 0 8 1976 0–3 0.0% #199 1,537 0 12
33 1972 21–25 45.7% — 1,654 0 8 — — — — — — —
34 1973 35–35 50.0% #74 1,683 0 8 — — — — — — —
35 1974 10–15 40.0% #72 1,622 0 8 — — — — — — —
36 1975 8–11 42.1% #138 1,589 0 8 — — — — — — —
37 1976 1–7 12.5% #248 1,534 0 8 — — — — — — —
38 1977 15–20 42.9% #103 1,633 0 8 — — — — — — —
39 1978 2–10 16.7% #263 1,523 0 8 — — — — — — —
40 1979 1–3 25.0% #439 1,525 0 8 — — — — — — —