Marin Cilic has an impressive grass court record of 85–36 across 121 matches (70.2% — strong). A win rate of that calibre over 121 matches is a reliable indicator of genuine quality on this surface. Claimed 3 titles on grass: Queen's Club, Stuttgart.

At Grand Slam level (Wimbledon): a positive 34–15 (69.4%) across 49 matches — a player who generally rises to the occasion at the Slams on grass.

6 finals reached on grass — won 3, lost 3 (solid 50% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers on grass. 11 semifinals. 17 quarterfinals.

vs. Top 10 on grass: 4–12 (25.0%, 16 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: 34–16 (68.0%); best-of-three: 51–20 (71.8%). Slightly stronger in three-set contests on grass, though the five-set record is still respectable.

Best season: 2018 — 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.

Recent Form 2026: 2–3 (40.0%) on grass. Last 5: W W L L L — mixed results, some inconsistency in the current period.