Marcelo Lara has found clay courts difficult, recording 48–62 across 110 matches (43.6%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

At Grand Slam level (Roland Garros): Marcelo Lara has struggled at Grand Slam level on clay: 1–4 (20.0%) in 5 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

3 semifinals on clay without yet reaching a final — consistent deep runs that show the ability to string together wins across a full draw, with the step to the final still to come. 8 quarterfinals adds further depth to that picture.

vs. Top 10 on clay: 0–7 (0.0%, 7 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: 15–11 (57.7%); best-of-three: 33–51 (39.3%). Significantly better in five-set matches — a strong physical profile on clay that tends to tell as matches and tournaments progress.

Best season: 1968 — 4–1 (80.0%) from 5 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.