# John Alexander vs Willem Prinsloo — Head-to-Head

Source: https://tennis-db.com/rivalries/john-alexander-vs-willem-prinsloo?player1_id=4457093&player2_id=4575651
Tour: ATP

John Alexander holds a 2–0 lead over Willem Prinsloo in their ATP head-to-head. Across 2 main-draw meetings, John Alexander leads 1–0 on clay and 1–0 on hard courts. Most recently, John Alexander won the 1977 Canadian Open round of 32 6-1 6-1.

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
- John Alexander: 2 wins
- Willem Prinsloo: 0 wins
- Total meetings: 2

## By surface
- Clay: John Alexander 1 - 0 Willem Prinsloo
- Hard: John Alexander 1 - 0 Willem Prinsloo

## By tournament category
- ATP 250: John Alexander 2 - 0 Willem Prinsloo

## 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 |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| John Alexander | 2016 | 150.6 | - | - | - | - | 12 | 56 | 17 | 55.6% | 0.46 | 161-159 (50%) | 182-189 (49%) | 95.7 | -1.49 |
| Willem Prinsloo | 1550 | 109.6 | - | - | - | - | 78 | 7 | - | 32.7% | -1.41 | 4-9 (31%) | 5-2 (71%) | 97.4 | 6.17 |

## Recent meetings (last 10)
| Date | Tournament | Category | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1977-08-19* | Canadian Open | ATP 250 | R32 | Clay | John Alexander | 6-1 6-1 |
| 1971-04-07* | South African Open | ATP 250 | R64 | Hard | John Alexander | 6-1 6-2 6-3 |

---
Canonical URL: https://tennis-db.com/rivalries/john-alexander-vs-willem-prinsloo?player1_id=4457093&player2_id=4575651
Data source: TennisDB (tennis-db.com)