Paul-Henri Mathieu has a competitive clay court record of 108–114 across 222 matches (48.6%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Claimed 2 titles on clay: Casablanca, Gstaad.

At Grand Slam level (Roland Garros): Paul-Henri Mathieu is 17–15 (53.1%) across 32 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): Paul-Henri Mathieu has struggled at Masters level on clay: 7–23 (23.3%) in 30 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

5 finals reached on clay — won 2, lost 3 (40% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 10 semifinals. 21 quarterfinals.

vs. Top 10 on clay: 5–18 (21.7%, 23 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: 21–20 (51.2%); best-of-three: 87–94 (48.1%). Slightly better in five-set matches on clay — a positive sign for the Slams specifically.

Peak season: 2007 — 17–5 (77.3%) from 22 matches. That year captures the ceiling of what Paul-Henri Mathieu can do on clay when performing at their best and represents the standard to aim for.