Nicolas Kiefer holds a solid grass court record of 44–30 across 74 matches (59.5%). A winning majority across 74 matches shows consistent ability to get results on grass. Claimed 1 title on grass: Halle.

At Grand Slam level (Wimbledon): a positive 18–13 (58.1%) across 31 matches — a player who generally rises to the occasion at the Slams on grass.

3 finals reached on grass — won 1, lost 2 (33% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 4 semifinals. 7 quarterfinals.

vs. Top 10 on grass: 2–10 (16.7%, 12 matches). Top 10 opponents have represented a clear ceiling on grass; addressing that deficit is the single biggest lever for improving the overall record here.

By format on grass — best-of-five: 18–13 (58.1%); best-of-three: 26–17 (60.5%). Slightly stronger in three-set contests on grass, though the five-set record is still respectable.

Best season: 1999 — 6–1 (85.7%) from 7 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.