Tim Wilkison has a competitive clay court record of 33–40 across 73 matches (45.2%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Tim Wilkison has reached 1 final without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Tim Wilkison has struggled at Grand Slam level on clay: 1–4 (20.0%) in 5 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

One final reached on clay, 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 clay: 0–3 (0.0%, 3 matches). Top 10 opponents have represented a clear ceiling on clay; addressing that deficit is the single biggest lever for improving the overall record here.

By format on clay — best-of-five: 1–3 (25.0%); best-of-three: 32–37 (46.4%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Best season: 1984 — 7–4 (63.6%) from 11 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.