Jan Hernych has found the Tour difficult, recording 79–118 across 197 matches (40.1%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Jan Hernych has reached 1 final without yet claiming a title — one of the finest margins in tennis.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Jan Hernych has struggled at Grand Slam level: 10–21 (32.3%) in 31 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): Jan Hernych is 15–17 (46.9%) across 32 Masters matches — below .500 in the Tour's deepest fields. Lifting that record here would unlock better results across the calendar.
One final reached, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 4 semifinals. 12 quarterfinals.
vs. Top 10: 1–22 (4.3%, 23 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: 10–21 (32.3%); best-of-three: 69–97 (41.6%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.
Best season: 2005 — 18–23 (43.9%) from 41 matches. The best single-season display to date — a useful reference point as the career continues to develop.