Jacco Eltingh has found hard courts difficult, recording 37–61 across 98 matches (37.8%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Claimed 1 title on hard: Schenectady.

At Grand Slam level (Australian Open & US Open): Jacco Eltingh is 11–12 (47.8%) across 23 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Jacco Eltingh has struggled at Masters level on hard: 1–6 (14.3%) in 7 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

One final reached on hard, converted into a title — a perfect finals record on this surface. 2 semifinals. 4 quarterfinals.

vs. Top 10 on hard: 2–6 (25.0%, 8 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: 11–14 (44.0%); best-of-three: 26–47 (35.6%). Significantly better in five-set matches — a strong physical profile on hard that tends to tell as matches and tournaments progress.

Best season: 1994 — 10–10 (50.0%) from 20 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.