# Peter Doerner vs Keith Diepraam — Head-to-Head

Source: https://tennis-db.com/rivalries/peter-doerner-vs-keith-diepraam?player1_id=4602353&player2_id=sackmann_atp:110018
Tour: ATP

Keith Diepraam holds a 1–0 lead over Peter 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 South African Open round of 64 6-2 8-6 6-3.

Category presentation: Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category.
Details: https://tennis-db.com/glossary#category-equivalence

Category presentation: Asterisked totals include editions mapped from documented historical predecessor categories.
Details: https://tennis-db.com/glossary#category-equivalence

## Overall
- Peter Doerner: 0 wins
- Keith Diepraam: 1 wins
- Total meetings: 1

## By surface
- Hard: Peter Doerner 0 - 1 Keith Diepraam

## By tournament category
- ATP 250: Peter Doerner 0 - 1 Keith Diepraam

## Advanced statistics comparison
Career aggregates from the precomputed Advanced table. Surface Elo values are relative to overall Elo; career Schedule is normalized per 100 matches and lower means tougher opposition.

| Player | Peak Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win% | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Peter Doerner | 1537 | 105.8 | - | - | - | - | 75 | - | 6 | 41.1% | -0.46 | 12-7 (63%) | 2-5 (29%) | 104.8 | 7.44 |
| Keith Diepraam | 1544 | 104.2 | - | - | - | - | 59 | -21 | -23 | 45.1% | -0.59 | 2-3 (40%) | — | - | -0.75 |

## Recent meetings (last 10)
| Date | Tournament | Category | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1969-04-06* | South African Open | ATP 250 | R64 | Hard | Keith Diepraam | 6-2 8-6 6-3 |

---
Canonical URL: https://tennis-db.com/rivalries/peter-doerner-vs-keith-diepraam?player1_id=4602353&player2_id=sackmann_atp:110018
Data source: TennisDB (tennis-db.com)