H2H data updated: 2026-07-14 14:15 UTC
P. Doerner vs Keith Diepraam H2H: 0-1
Keith Diepraam holds a 1–0 lead over P. Doerner in their ATP head-to-head. Across 1 main-draw meeting, Keith Diepraam leads 1–0 on hard courts. Most recently, Keith Diepraam won the 1969 Johannesburg second round 6-2 8-6 6-3.
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AUS
Age 75
Right-Handed
H2H
0
–
1
1 main draw meetings
RSA
Age 83
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 6, 1969* | Johannesburg | ATP 250 | R64 | Hard | Keith Diepraam | 6-2 8-6 6-3 | P. Doerner | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P. Doerner | #264 | #204 | 0 | 1,536 | 25 | 35 | 41.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Keith Diepraam | — | — | — | 1,553 | — | — | — | 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 | P. Doerner | Keith Diepraam | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1968 | 0–1 | 0.0% | — | 1,476 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1969 | 6–5 | 54.5% | — | 1,511 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1970 | 5–8 | 38.5% | — | 1,469 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1971 | 6–6 | 50.0% | — | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1972 | 6–8 | 42.9% | — | 1,526 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1973 | 0–1 | 0.0% | — | 1,511 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1974 | 2–4 | 33.3% | #318 | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1975 | 0–2 | 0.0% | #264 | 1,484 | 0 | 0 | — | — | — | — | — | — | — |