Darren Cahill has a competitive clay court record of 32–27 across 59 matches (54.2%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Claimed 1 title on clay: Gstaad.

At Grand Slam level (Roland Garros): Darren Cahill is 7–7 (50.0%) across 14 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

One final reached on clay, converted into a title — a perfect finals record on this surface. 2 semifinals. 3 quarterfinals.

vs. Top 10 on clay: 2–6 (25.0%, 8 matches). Top 10 opponents have represented a clear ceiling on clay; addressing that deficit is the single biggest lever for improving the overall record here.

By format on clay — best-of-five: 10–9 (52.6%); best-of-three: 22–18 (55.0%). Slightly stronger in three-set contests on clay, though the five-set record is still respectable.

Best season: 1987 — 8–4 (66.7%) from 12 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.