Helge Koll Statistics, Match Results, ATP Rankings & Career Records

Helge Koll has found the Tour difficult, recording 5–13 across 18 matches (27.8%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.

By format — best-of-five: 3–10 (23.1%); best-of-three: 2–3 (40.0%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance.