Shahab Hassani-Nafez has been dominant on clay, posting 5–1 across 6 matches (83.3% — exceptional). Few players in the Open Era have sustained that level of dominance across a full career on clay.

By format on clay — best-of-five: 2–1 (66.7%); best-of-three: 3–0 (100.0%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Shahab Hassani-Nafez recorded a notable 5-match winning streak on clay — a run that demonstrates consistency across consecutive draws on this surface.