Luis Herrera has found the Tour difficult, recording 53–83 across 136 matches (39.0%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Luis Herrera has reached 1 final without yet claiming a title — one of the finest margins in tennis.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Luis Herrera has struggled at Grand Slam level: 3–11 (21.4%) in 14 matches. The best-of-five format and elite fields make this the toughest benchmark on Tour.
ATP Masters 1000 (Indian Wells, Miami, Monte Carlo, Madrid, Rome, Canada, Cincinnati, Shanghai, Paris): Luis Herrera has struggled at Masters level: 2–7 (22.2%) in 9 matches. Improving at this level is the clearest path to a stronger overall record.
One final reached, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 4 semifinals. 5 quarterfinals.
vs. Top 10: 1–6 (14.3%, 7 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 10–24 (29.4%); best-of-three: 43–59 (42.2%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.
Best season: 1991 — 14–26 (35.0%) from 40 matches. The best single-season display to date — a useful reference point as the career continues to develop.