H2H data updated: 2026-07-19 14:15 UTC
Willem Prinsloo vs S Sullivan H2H: 1-0
Willem Prinsloo holds a 1–0 lead over S Sullivan in their ATP head-to-head. Across 1 main-draw meeting, Willem Prinsloo leads 1–0 on hard courts. Most recently, Willem Prinsloo won the 1976 Johannesburg - Wct fourth round 6-1 4-6 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 27, 1976* | Johannesburg - Wct | ATP 250 | R16 | Hard | Willem Prinsloo | 6-1 4-6 6-2 | S Sullivan | 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 |
| S Sullivan | — | — | — | 1,516 | — | — | — | 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.
| Willem Prinsloo | S Sullivan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1971 | 1–1 | 50.0% | — | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 0–1 | 0.0% | — | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 1–1 | 50.0% | #282 | 1,491 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 3–1 | 75.0% | #154 | 1,546 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 4–15 | 21.1% | #144 | 1,500 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 3–5 | 37.5% | #122 | 1,499 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 1–9 | 10.0% | #265 | 1,427 | 0 | 0 | — | — | — | — | — | — | — |