Tatsuma Ito has found the Tour difficult, recording 36–66 across 102 matches (35.3%). 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): Tatsuma Ito has struggled at Grand Slam level: 4–13 (23.5%) in 17 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): Tatsuma Ito has struggled at Masters level: 1–6 (14.3%) in 7 matches. Improving at this level is the clearest path to a stronger overall record.
vs. Top 10: 1–5 (16.7%, 6 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: 9–19 (32.1%); best-of-three: 27–47 (36.5%). Slightly stronger in three-set contests, though the five-set record is still respectable.
Best season: 2012 — 10–16 (38.5%) from 26 matches. The best single-season display to date — a useful reference point as the career continues to develop.