Stefan Simonsson has found the Tour difficult, recording 99–123 across 222 matches (44.6%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Stefan Simonsson has reached 1 final without yet claiming a title — one of the finest margins in tennis.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Stefan Simonsson is 9–13 (40.9%) across 22 Grand Slam matches — below .500, though the elite draw depth makes that a notoriously difficult barrier.
One final reached, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 6 semifinals. 15 quarterfinals.
vs. Top 10: 0–17 (0.0%, 17 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 10–15 (40.0%); best-of-three: 89–108 (45.2%). Slightly stronger in three-set contests, though the five-set record is still respectable.
Peak season: 1983 — 24–19 (55.8%) from 43 matches. That year captures the ceiling of what Stefan Simonsson can do when performing at their best and represents the standard to aim for.