Head-to-Head
Overview
Dominik Koepfer and John Isner have met 1 time so far, all in 2023. Dominik Koepfer leads 1–0. Their first encounter was at the 2023 Atlanta (R32), won by Dominik Koepfer.
By surface
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Dominik Koepfer and John Isner have met 1 time so far, all in 2023. Dominik Koepfer leads 1–0. Their first encounter was at the 2023 Atlanta (R32), won by Dominik Koepfer.