Byron Black has found clay courts difficult, recording 17–27 across 44 matches (38.6%). 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): Byron Black has struggled at Grand Slam level on clay: 5–9 (35.7%) in 14 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

ATP Masters 1000 on clay (Monte Carlo, Madrid, Rome): Byron Black has struggled at Masters level on clay: 1–4 (20.0%) in 5 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

vs. Top 10 on clay: 1–4 (20.0%, 5 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: 8–13 (38.1%); best-of-three: 9–14 (39.1%). Consistent regardless of format on clay — a sign of a well-rounded game that holds up as matches develop.

Best season: 1997 — 4–5 (44.4%) from 9 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.