Leif Shiras has found the Tour difficult, recording 71–102 across 173 matches (41.0%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Leif Shiras 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): Leif Shiras has struggled at Grand Slam level: 11–19 (36.7%) in 30 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): Leif Shiras has struggled at Masters level: 1–3 (25.0%) in 4 matches. Improving at this level is the clearest path to a stronger overall record.
One final reached, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 3 semifinals. 8 quarterfinals.
vs. Top 10: 1–15 (6.3%, 16 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: 11–20 (35.5%); best-of-three: 60–82 (42.3%). Slightly stronger in three-set contests, though the five-set record is still respectable.
Best season: 1985 — 17–19 (47.2%) from 36 matches. The best single-season display to date — a useful reference point as the career continues to develop.