Head-to-Head
Overview
Kazuma Lee Karl and Stefan Cooper have met 1 time so far, all in 2026. Kazuma Lee Karl leads 1–0. Their first encounter was at the 2026 M15 Rancho Santa Fe, CA, won by Kazuma Lee Karl.
By surface
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Kazuma Lee Karl and Stefan Cooper have met 1 time so far, all in 2026. Kazuma Lee Karl leads 1–0. Their first encounter was at the 2026 M15 Rancho Santa Fe, CA, won by Kazuma Lee Karl.