H2H data updated: 2026-07-19 14:15 UTC
Byron Bertram vs U Unknown H2H: 1-1
Byron Bertram and U Unknown are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, U Unknown leads 1–0 on clay, while Byron Bertram leads 1–0 on hard courts. Most recently, U Unknown won the 1970 Hamburg second round 6-4 12-10 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 1970* | Hamburg | ATP 250 | R64 | Clay | U Unknown | 6-4 12-10 6-4 | Byron Bertram | Match data |
| Aug 4, 1970* | Hilversum | ATP 250 | R64 | Hard | Byron Bertram | 6-4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Byron Bertram | #150 | #51 | 0 | 1,810 | 113 | 138 | 45.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| 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.
| Byron Bertram | U Unknown | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1969 | 0–3 | 0.0% | — | 1,466 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 11–11 | 50.0% | — | 1,540 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 9–13 | 40.9% | — | 1,542 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 2–2 | 50.0% | — | 1,532 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 11–10 | 52.4% | #152 | 1,609 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 15–13 | 53.6% | #156 | 1,649 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 5–8 | 38.5% | #120 | 1,650 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 21–23 | 47.7% | #57 | 1,728 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 21–27 | 43.8% | #84 | 1,741 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 10–11 | 47.6% | #92 | 1,664 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 1–2 | 33.3% | #219 | 1,646 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 7–15 | 31.8% | #150 | 1,567 | 0 | 0 | — | — | — | — | — | — | — |