Heinz Gunthardt has a competitive career record of 249–208 across 457 matches (54.5%). The record shows a player capable of competing at Tour level, though there is clear room to push the win rate higher. 5 titles: Springfield, Rotterdam WCT, Johannesburg-1, Gstaad, Toulouse — a record that reflects consistent ability to close out tournaments.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Heinz Gunthardt is 31–24 (56.4%) across 55 Grand Slam matches — below .500, though the elite draw depth makes that a notoriously difficult barrier.
9 finals reached — won 5, lost 4 (solid 56% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers. 22 semifinals. 53 quarterfinals.
vs. Top 10: 4–50 (7.4%, 54 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 50–42 (54.3%); best-of-three: 199–166 (54.5%). Consistent regardless of format — a sign of a well-rounded game that holds up as matches develop.
Dominant season: 1980 — 42–23 (64.6%) from 65 matches. That year represents a level of dominance that sets the ceiling for what Heinz Gunthardt can produce.