Luis Adrian Morejon has found clay courts difficult, recording 20–28 across 48 matches (41.7%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

By format on clay — best-of-five: 6–10 (37.5%); best-of-three: 14–18 (43.8%). Slightly stronger in three-set contests on clay, though the five-set record is still respectable.

Best season: 1998 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.

Luis Adrian Morejon recorded a notable 5-match winning streak on clay — a run that demonstrates consistency across consecutive draws on this surface.