Sam Groth has a competitive grass court record of 15–13 across 28 matches (53.6%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Wimbledon): Sam Groth is 2–3 (40.0%) across 5 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

vs. Top 10 on grass: 0–3 (0.0%, 3 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: 3–4 (42.9%); best-of-three: 12–9 (57.1%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on grass.

Best season: 2014 — 4–2 (66.7%) from 6 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.

Sam Groth recorded a notable 5-match winning streak on grass — a run that demonstrates consistency across consecutive draws on this surface.