Jarkko Nieminen holds a solid clay court record of 114–89 across 203 matches (56.2%). A winning majority across 203 matches shows consistent ability to get results on clay. Jarkko Nieminen has reached 4 finals without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Jarkko Nieminen is 13–12 (52.0%) across 25 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 22–21 (51.2%) across 43 matches — winning above .500 at this level, week in week out, is a genuine sign of quality on clay.

4 finals reached on clay — none converted into a title yet. Reaching 4 finals is a mark of real quality, but the gap between finalist and champion is one of the finest lines in the sport. 8 semifinals. 13 quarterfinals.

vs. Top 10 on clay: 4–24 (14.3%, 28 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: 29–15 (65.9%); best-of-three: 85–74 (53.5%). Significantly better in five-set matches — a strong physical profile on clay that tends to tell as matches and tournaments progress.

Peak season: 2003 — 18–8 (69.2%) from 26 matches. That year captures the ceiling of what Jarkko Nieminen can do on clay when performing at their best and represents the standard to aim for.