Lukasz Kubot has a competitive clay court record of 46–51 across 97 matches (47.4%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Lukasz Kubot has reached 2 finals without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Lukasz Kubot is 5–6 (45.5%) across 11 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

ATP Masters 1000 on clay (Monte Carlo, Madrid, Rome): Lukasz Kubot has struggled at Masters level on clay: 3–7 (30.0%) in 10 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

2 finals reached on clay — none converted into a title yet. Reaching 2 finals is a mark of real quality, but the gap between finalist and champion is one of the finest lines in the sport. 3 semifinals. 8 quarterfinals.

vs. Top 10 on clay: 0–6 (0.0%, 6 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: 14–12 (53.8%); best-of-three: 32–39 (45.1%). Significantly better in five-set matches — a strong physical profile on clay that tends to tell as matches and tournaments progress.

Best season: 2009 — 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.