H2H data updated: 2026-07-20 02:15 UTC
Gene Mayer vs Willem Prinsloo H2H: 1-0
Gene Mayer holds a 1–0 lead over Willem Prinsloo in their ATP head-to-head. Across 1 main-draw meeting, Gene Mayer leads 1–0 on carpet. Most recently, Gene Mayer won the 1978 Hartford fourth round 6-2 6-3.
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USA
Age 70
Right-Handed
183 cm / 6'0"
H2H
1
–
0
1 main draw meetings
RSA
Left-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 1978* | Hartford | ATP 250 | R16 | Carpet | Gene Mayer | 6-2 6-3 | Willem Prinsloo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gene Mayer | #976 | #4 | 6 | 2,198 | 311 | 159 | 66.2% | 0 | 0 | 0 | 0 | 14 | 14 |
| Willem Prinsloo | #332 | #81 | 0 | 1,549 | 13 | 33 | 28.3% | 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 | Gene Mayer | Willem Prinsloo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1973 | 0–1 | 0.0% | — | 1,492 | 0 | 0 | 1971 | 1–1 | 50.0% | — | 1,516 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1972 | 0–1 | 0.0% | — | 1,488 | 0 | 0 |
| 19 | 1975 | 6–10 | 37.5% | #144 | 1,540 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1976 | 17–16 | 51.5% | #48 | 1,700 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1977 | 17–27 | 38.6% | #142 | 1,685 | 0 | 0 | 1975 | 1–1 | 50.0% | #282 | 1,491 | 0 | 0 |
| 22 | 1978 | 25–18 | 58.1% | #64 | 1,733 | 0 | 1 | 1976 | 3–1 | 75.0% | #154 | 1,546 | 0 | 0 |
| 23 | 1979 | 54–25 | 68.4% | #12 | 1,979 | 0 | 2 | 1977 | 4–15 | 21.1% | #144 | 1,500 | 0 | 0 |
| 24 | 1980 | 71–16 | 81.6% | #5 | 2,139 | 0 | 7 | 1978 | 3–5 | 37.5% | #122 | 1,499 | 0 | 0 |
| 25 | 1981 | 37–8 | 82.2% | #7 | 2,072 | 0 | 11 | 1979 | 1–9 | 10.0% | #265 | 1,427 | 0 | 0 |
| 26 | 1982 | 33–11 | 75.0% | #7 | 2,069 | 0 | 12 | — | — | — | — | — | — | — |
| 27 | 1983 | 25–10 | 71.4% | #10 | 1,964 | 0 | 14 | — | — | — | — | — | — | — |
| 28 | 1984 | 24–15 | 61.5% | #18 | 1,873 | 0 | 14 | — | — | — | — | — | — | — |
| 29 | 1985 | 2–1 | 66.7% | #368 | 1,863 | 0 | 14 | — | — | — | — | — | — | — |
| 30 | 1986 | 0–1 | 0.0% | #870 | 1,841 | 0 | 14 | — | — | — | — | — | — | — |