H2H data updated: 2026-07-19 08:25 UTC
Willem Prinsloo vs John Whitlinger H2H: 0-1
John Whitlinger holds a 1–0 lead over Willem Prinsloo in their ATP head-to-head. Across 1 main-draw meeting, John Whitlinger leads 1–0 on clay. Most recently, John Whitlinger won the 1977 Louisville second round 6-2 6-4.
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RSA
Left-Handed
H2H
0
–
1
1 main draw meetings
USA
Age 72
Right-Handed
180 cm / 5'11"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 27, 1977* | Louisville | ATP 250 | R64 | Clay | John Whitlinger | 6-2 6-4 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Willem Prinsloo | #332 | #81 | 0 | 1,549 | 13 | 33 | 28.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| John Whitlinger | #264 | #75 | 0 | 1,630 | 45 | 77 | 36.9% | 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 | Willem Prinsloo | John Whitlinger | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1971 | 1–1 | 50.0% | — | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1972 | 0–1 | 0.0% | — | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | 1973 | 1–1 | 50.0% | #143 | 1,507 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 1974 | 11–9 | 55.0% | #85 | 1,579 | 0 | 0 |
| 21 | 1975 | 1–1 | 50.0% | #282 | 1,491 | 0 | 0 | 1975 | 6–15 | 28.6% | #98 | 1,568 | 0 | 0 |
| 22 | 1976 | 3–1 | 75.0% | #154 | 1,546 | 0 | 0 | 1976 | 17–29 | 37.0% | #130 | 1,540 | 0 | 0 |
| 23 | 1977 | 4–15 | 21.1% | #144 | 1,500 | 0 | 0 | 1977 | 7–17 | 29.2% | #167 | 1,511 | 0 | 0 |
| 24 | 1978 | 3–5 | 37.5% | #122 | 1,499 | 0 | 0 | 1978 | 0–1 | 0.0% | #374 | 1,497 | 0 | 0 |
| 25 | 1979 | 1–9 | 10.0% | #265 | 1,427 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | 1980 | 3–5 | 37.5% | #264 | 1,494 | 0 | 0 |