H2H data updated: 2026-07-19 02:51 UTC
Cliff Richey vs U Unknown H2H: 2-0
Cliff Richey holds a 2–0 lead over U Unknown in their ATP head-to-head. Across 2 main-draw meetings, Cliff Richey leads 1–0 on carpet and 1–0 on clay. Most recently, Cliff Richey won the 1969 Buenos Aires third round 6-0 6-2 6-0.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 14, 1969* | Buenos Aires | ATP 250 | R32 | Clay | Cliff Richey | 6-0 6-2 6-0 | U Unknown | Match data |
| Feb 12, 1968* | Philadelphia Wct | ATP 250 | R16 | Carpet | Cliff Richey | 7-9 7-5 6-4 | U Unknown | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cliff Richey | #662 | #16 | 0 | 2,112 | 488 | 224 | 68.5% | 0 | 2 | 0 | 0 | 21 | 23 |
| U Unknown | — | — | — | 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.
| Cliff Richey | U Unknown | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 46–15 | 75.4% | — | 1,750 | 0 | 3 | — | — | — | — | — | — | — |
| 1969 | 64–18 | 78.0% | — | 1,946 | 0 | 9 | — | — | — | — | — | — | — |
| 1970 | 88–24 | 78.6% | — | 2,047 | 0 | 14 | — | — | — | — | — | — | — |
| 1971 | 67–23 | 74.4% | — | 1,906 | 0 | 17 | — | — | — | — | — | — | — |
| 1972 | 54–24 | 69.2% | — | 1,956 | 0 | 20 | — | — | — | — | — | — | — |
| 1973 | 47–26 | 64.4% | #19 | 1,848 | 0 | 20 | — | — | — | — | — | — | — |
| 1974 | 25–16 | 61.0% | #23 | 1,891 | 0 | 21 | — | — | — | — | — | — | — |
| 1975 | 37–24 | 60.7% | #32 | 1,855 | 0 | 21 | — | — | — | — | — | — | — |
| 1976 | 33–24 | 57.9% | #28 | 1,848 | 0 | 22 | — | — | — | — | — | — | — |
| 1977 | 14–17 | 45.2% | #97 | 1,714 | 0 | 22 | — | — | — | — | — | — | — |
| 1978 | 13–12 | 52.0% | #57 | 1,705 | 0 | 23 | — | — | — | — | — | — | — |
| 1979 | 0–1 | 0.0% | #662 | 1,693 | 0 | 23 | — | — | — | — | — | — | — |