Head-to-Head
Overview
Marcel Zielinski and Theodore Dean have met 1 time so far, all in 2026. Marcel Zielinski leads 1–0. Their first encounter was at the 2026 M15 Mistelbach (QF), won by Marcel Zielinski.
By surface
- clay1 – 0
Marcel Zielinski and Theodore Dean have met 1 time so far, all in 2026. Marcel Zielinski leads 1–0. Their first encounter was at the 2026 M15 Mistelbach (QF), won by Marcel Zielinski.