Head-to-Head
Overview
Mariano Tammaro and Pio Osti Fabrizio Karol have met 1 time so far, all in 2026. Mariano Tammaro leads 1–0. Their first encounter was at the 2026 M25 Pozzuoli (R32), won by Mariano Tammaro.
By surface
- hard1 – 0
Mariano Tammaro and Pio Osti Fabrizio Karol have met 1 time so far, all in 2026. Mariano Tammaro leads 1–0. Their first encounter was at the 2026 M25 Pozzuoli (R32), won by Mariano Tammaro.