Carsten Arriens has a competitive hard court record of 19–18 across 37 matches (51.4%). 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: Guaruja.

At Grand Slam level (Australian Open & US Open): 1–2 across just 3 matches — still very early days at this level on hard.

One final reached on hard, converted into a title — a perfect finals record on this surface. 1 semifinal. 4 quarterfinals.

vs. Top 10 on hard: 1–2 (33.3%, 3 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: 1–2 (33.3%); best-of-three: 18–16 (52.9%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on hard.

Best season: 1992 — 8–4 (66.7%) from 12 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Carsten Arriens recorded a notable 6-match winning streak on hard — a run that demonstrates consistency across consecutive draws on this surface.