Nicolas Pereira has found clay courts difficult, recording 23–35 across 58 matches (39.7%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Claimed 1 title on clay: Bogota.

At Grand Slam level (Roland Garros): Nicolas Pereira has struggled at Grand Slam level on clay: 1–3 (25.0%) in 4 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

One final reached on clay, converted into a title — a perfect finals record on this surface. 1 semifinal. 2 quarterfinals.

By format on clay — best-of-five: 8–11 (42.1%); best-of-three: 15–24 (38.5%). Slightly better in five-set matches on clay — a positive sign for the Slams specifically.

Best season: 1992 — 4–2 (66.7%) from 6 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.