Head-to-Head
Overview
Jan Kumstat and Mathys Erhard have met 1 time so far, all in 2026. Mathys Erhard leads 1–0. Their first encounter was at the 2026 M25 Ollersbach (QF), won by Mathys Erhard.
By surface
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Jan Kumstat and Mathys Erhard have met 1 time so far, all in 2026. Mathys Erhard leads 1–0. Their first encounter was at the 2026 M25 Ollersbach (QF), won by Mathys Erhard.