H2H data updated: 2026-07-18 02:15 UTC
Heinz Gunthardt vs Byron Bertram H2H: 1-0
Heinz Gunthardt holds a 1–0 lead over Byron Bertram in their ATP head-to-head. Across 1 main-draw meeting, Heinz Gunthardt leads 1–0 on carpet. Most recently, Heinz Gunthardt won the 1978 Springfield semifinal 7-5 6-2.
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SUI
Age 67
Right-Handed
180 cm / 5'11"
H2H
1
–
0
1 main draw meetings
RSA
Age 73
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 17, 1978* | Springfield | ATP 250 | SF | Carpet | Heinz Gunthardt | 7-5 6-2 | Byron Bertram | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Heinz Gunthardt | #1,013 | #22 | 0 | 1,966 | 225 | 189 | 54.3% | 0 | 0 | 0 | 0 | 5 | 5 |
| Byron Bertram | #150 | #51 | 0 | 1,810 | 113 | 138 | 45.0% | 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 | Heinz Gunthardt | Byron Bertram | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 1969 | 0–3 | 0.0% | — | 1,466 | 0 | 0 |
| 17 | 1976 | 1–4 | 20.0% | #210 | 1,497 | 0 | 0 | 1970 | 11–11 | 50.0% | — | 1,540 | 0 | 0 |
| 18 | 1977 | 3–6 | 33.3% | #221 | 1,509 | 0 | 0 | 1971 | 9–13 | 40.9% | — | 1,542 | 0 | 0 |
| 19 | 1978 | 25–25 | 50.0% | #55 | 1,764 | 0 | 1 | 1972 | 2–2 | 50.0% | — | 1,532 | 0 | 0 |
| 20 | 1979 | 30–23 | 56.6% | #51 | 1,812 | 0 | 1 | 1973 | 11–10 | 52.4% | #152 | 1,609 | 0 | 0 |
| 21 | 1980 | 37–21 | 63.8% | #26 | 1,832 | 0 | 4 | 1974 | 15–13 | 53.6% | #156 | 1,649 | 0 | 0 |
| 22 | 1981 | 28–22 | 56.0% | #38 | 1,813 | 0 | 4 | 1975 | 5–8 | 38.5% | #120 | 1,650 | 0 | 0 |
| 23 | 1982 | 26–25 | 51.0% | #85 | 1,722 | 0 | 4 | 1976 | 21–23 | 47.7% | #57 | 1,728 | 0 | 0 |
| 24 | 1983 | 27–15 | 64.3% | #25 | 1,853 | 0 | 5 | 1977 | 21–27 | 43.8% | #84 | 1,741 | 0 | 0 |
| 25 | 1984 | 23–19 | 54.8% | #31 | 1,779 | 0 | 5 | 1978 | 10–11 | 47.6% | #92 | 1,664 | 0 | 0 |
| 26 | 1985 | 22–19 | 53.7% | #36 | 1,818 | 0 | 5 | 1979 | 1–2 | 33.3% | #219 | 1,646 | 0 | 0 |
| 27 | 1986 | 3–9 | 25.0% | #251 | 1,670 | 0 | 5 | 1980 | 7–15 | 31.8% | #150 | 1,567 | 0 | 0 |
| 28 | 1987 | 0–1 | 0.0% | #954 | 1,663 | 0 | 5 | — | — | — | — | — | — | — |