Head-to-Head
Overview
John Sperle and Marlon Vankan have met 1 time so far, all in 2026. Marlon Vankan leads 1–0. Their first encounter was at the 2026 M15 Trier, won by Marlon Vankan.
By surface
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John Sperle and Marlon Vankan have met 1 time so far, all in 2026. Marlon Vankan leads 1–0. Their first encounter was at the 2026 M15 Trier, won by Marlon Vankan.