Head-to-Head
Overview
John Isner and Horacio Zeballos have met 1 time so far, all in 2018. John Isner leads 1–0. Their first encounter was at the 2018 Roland Garros (R64), won by John Isner.
By surface
- clay1 – 0
John Isner and Horacio Zeballos have met 1 time so far, all in 2018. John Isner leads 1–0. Their first encounter was at the 2018 Roland Garros (R64), won by John Isner.