Jan-Lennard Struff has a competitive clay court record of 87–83 across 170 matches (51.2%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Claimed 1 title on clay: Munich.

At Grand Slam level (Roland Garros): Jan-Lennard Struff is 12–12 (50.0%) across 24 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): a positive 28–22 (56.0%) across 50 matches — winning above .500 at this level, week in week out, is a genuine sign of quality on clay.

3 finals reached on clay — won 1, lost 2 (33% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 5 semifinals. 15 quarterfinals.

vs. Top 10 on clay: 6–13 (31.6%, 19 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: 15–13 (53.6%); best-of-three: 72–70 (50.7%). Slightly better in five-set matches on clay — a positive sign for the Slams specifically.

Peak season: 2024 — 15–5 (75.0%) from 20 matches. That year captures the ceiling of what Jan-Lennard Struff can do on clay when performing at their best and represents the standard to aim for.

Recent Form 2026: 6–4 (60.0%) on clay. Last 10: W L W L L W W W W L — positive form, wins outweighing losses in the latest stretch.