Leif Shiras has a competitive grass court record of 27–27 across 54 matches (50.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Leif Shiras has reached 1 final without yet claiming a title on grass — one of the finest margins in tennis.

At Grand Slam level (Wimbledon): Leif Shiras is 9–10 (47.4%) across 19 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

One final reached on grass, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 2 semifinals. 4 quarterfinals.

vs. Top 10 on grass: 1–3 (25.0%, 4 matches). Top 10 opponents have represented a clear ceiling on grass; addressing that deficit is the single biggest lever for improving the overall record here.

By format on grass — best-of-five: 9–10 (47.4%); best-of-three: 18–17 (51.4%). Slightly stronger in three-set contests on grass, though the five-set record is still respectable.

Best season: 1984 — 11–6 (64.7%) from 17 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.