Head-to-Head
Overview
Back/ Guo and Chang/ Jang have met 1 time so far, all in 2026. Back/ Guo leads 1–0. Their first encounter was at the 2026 W35 Changwon (F), won by Back/ Guo.
By surface
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Back/ Guo and Chang/ Jang have met 1 time so far, all in 2026. Back/ Guo leads 1–0. Their first encounter was at the 2026 W35 Changwon (F), won by Back/ Guo.