Lukas Klein has found the Tour difficult, recording 11–22 across 33 matches (33.3%). 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): Lukas Klein 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.
ATP Masters 1000 (Indian Wells, Miami, Monte Carlo, Madrid, Rome, Canada, Cincinnati, Shanghai, Paris): Lukas Klein is 2–3 (40.0%) across 5 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the calendar.
vs. Top 10: 0–4 (0.0%, 4 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: 10–19 (34.5%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.
Best season: 2024 — 9–11 (45.0%) from 20 matches. The best single-season display to date — a useful reference point as the career continues to develop.