Paul Haarhuis has a competitive hard court record of 118–104 across 222 matches (53.2%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Claimed 1 title on hard: Jakarta.

At Grand Slam level (Australian Open & US Open): Paul Haarhuis is 21–20 (51.2%) across 41 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): a positive 16–14 (53.3%) across 30 matches — winning above .500 at this level, week in week out, is a genuine sign of quality on hard.

6 finals reached on hard — won 1, lost 5 (17% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 10 semifinals. 19 quarterfinals.

vs. Top 10 on hard: 7–14 (33.3%, 21 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: 24–23 (51.1%); best-of-three: 94–81 (53.7%). Slightly stronger in three-set contests on hard, though the five-set record is still respectable.

Best season: 1989 — 5–3 (62.5%) from 8 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.