John Hayes has found the Tour difficult, recording 15–28 across 43 matches (34.9%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): John Hayes has struggled at Grand Slam level: 1–3 (25.0%) in 4 matches. The best-of-five format and elite fields make this the toughest benchmark on Tour.
vs. Top 10: 0–3 (0.0%, 3 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 1–3 (25.0%); best-of-three: 14–25 (35.9%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.
Best season: 1980 — 6–7 (46.2%) from 13 matches. The best single-season display to date — a useful reference point as the career continues to develop.