Jaime Oncins has found the Tour difficult, recording 76–95 across 171 matches (44.4%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Claimed 2 titles: Bologna, Buzios.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Jaime Oncins has struggled at Grand Slam level: 7–11 (38.9%) in 18 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): Jaime Oncins has struggled at Masters level: 3–8 (27.3%) in 11 matches. Improving at this level is the clearest path to a stronger overall record.
5 finals reached — won 2, lost 3 (40% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 5 semifinals. 10 quarterfinals.
vs. Top 10: 1–8 (11.1%, 9 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: 17–19 (47.2%); best-of-three: 59–76 (43.7%). Slightly better in five-set matches — a positive sign for Grand Slam campaigns specifically.
Peak season: 1992 — 31–21 (59.6%) from 52 matches. That year captures the ceiling of what Jaime Oncins can do when performing at their best and represents the standard to aim for.