David Wheaton has a competitive clay court record of 30–27 across 57 matches (52.6%). 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: Kiawah Island.

At Grand Slam level (Roland Garros): David Wheaton is 6–8 (42.9%) across 14 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

ATP Masters 1000 on clay (Monte Carlo, Madrid, Rome): a positive 3–2 (60.0%) across 5 matches — winning above .500 at this level, week in week out, is a genuine sign of quality on clay.

2 finals reached on clay — won 1, lost 1 (solid 50% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers on clay. 3 semifinals. 6 quarterfinals.

vs. Top 10 on clay: 0–3 (0.0%, 3 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: 6–8 (42.9%); best-of-three: 24–19 (55.8%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Best season: 1990 — 5–3 (62.5%) from 8 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.