Head-to-Head
Overview
J. Kobierski and Spencer Johnson have met 1 time so far, all in 2026. Spencer Johnson leads 1–0. Their first encounter was at the 2026 San Diego 2 (Usa) - Qualification, Hard, won by Spencer Johnson.
By surface
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J. Kobierski and Spencer Johnson have met 1 time so far, all in 2026. Spencer Johnson leads 1–0. Their first encounter was at the 2026 San Diego 2 (Usa) - Qualification, Hard, won by Spencer Johnson.