Guillermo Aubone has found the Tour difficult, recording 12–32 across 44 matches (27.3%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Guillermo Aubone has yet to record a win at Grand Slam level — 0–3 across 3 matches. Breaking through here would mark a significant step forward.
vs. Top 10: 0–4 (0.0%, 4 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: 0–3 (0.0%); best-of-three: 12–29 (29.3%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.
Best season: 1981 — 8–16 (33.3%) from 24 matches. The best single-season display to date — a useful reference point as the career continues to develop.