Head-to-Head
Overview
J. Kollert and J. Svoboda have met 1 time so far, all in 2026. J. Svoboda leads 1–0. Their first encounter was at the 2026 Pardubicka juniorka (R32), won by J. Svoboda.
By surface
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J. Kollert and J. Svoboda have met 1 time so far, all in 2026. J. Svoboda leads 1–0. Their first encounter was at the 2026 Pardubicka juniorka (R32), won by J. Svoboda.