H2H data updated: 2026-07-19 02:51 UTC
John Clifton vs Tomas Jaci H2H: 1-0
John Clifton holds a 1–0 lead over Tomas Jaci in their ATP head-to-head. Across 1 main-draw meeting, John Clifton leads 1–0 on clay. Most recently, John Clifton won the 1968 Parioli second round 6-4 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 27, 1968* | Parioli | ATP 250 | R64 | Clay | John Clifton | 6-4 6-2 | Tomas Jaci | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| John Clifton | #323 | #243 | 0 | 1,504 | 15 | 35 | 30.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Tomas Jaci | — | — | — | 1,500 | — | — | — | 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.
| John Clifton | Tomas Jaci | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 4–7 | 36.4% | — | 1,458 | 0 | 0 | — | — | — | — | — | — | — |
| 1969 | 3–4 | 42.9% | — | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 4–10 | 28.6% | — | 1,447 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 2–7 | 22.2% | — | 1,434 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 0–3 | 0.0% | — | 1,403 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 0–2 | 0.0% | — | 1,374 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 2–2 | 50.0% | #318 | 1,397 | 0 | 0 | — | — | — | — | — | — | — |