Leonardo Mayer has found hard courts difficult, recording 70–93 across 163 matches (42.9%). 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 (Australian Open & US Open): Leonardo Mayer has struggled at Grand Slam level on hard: 12–20 (37.5%) in 32 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Leonardo Mayer is 20–22 (47.6%) across 42 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the whole hard swing.

2 semifinals on hard without yet reaching a final — consistent deep runs that show the ability to string together wins across a full draw, with the step to the final still to come. 7 quarterfinals adds further depth to that picture.

vs. Top 10 on hard: 0–18 (0.0%, 18 matches). Top 10 opponents have represented a clear ceiling on hard; addressing that deficit is the single biggest lever for improving the overall record here.

By format on hard — best-of-five: 19–23 (45.2%); best-of-three: 51–70 (42.1%). Slightly better in five-set matches on hard — a positive sign for the Slams specifically.

Best season: 2016 — 7–6 (53.8%) from 13 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.