Illya Marchenko has found the Tour difficult, recording 67–96 across 163 matches (41.1%). 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): Illya Marchenko has struggled at Grand Slam level: 8–17 (32.0%) in 25 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): Illya Marchenko has struggled at Masters level: 2–7 (22.2%) in 9 matches. Improving at this level is the clearest path to a stronger overall record.
vs. Top 10: 1–8 (11.1%, 9 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: 18–25 (41.9%); best-of-three: 49–71 (40.8%). Consistent regardless of format — a sign of a well-rounded game that holds up as matches develop.
Best season: 2010 — 18–21 (46.2%) from 39 matches. The best single-season display to date — a useful reference point as the career continues to develop.