Damir Dzumhur advanced when Lloyd Harris retired 6-1 2-1 in the BIH vs RSA round robin.
Dzumhur D. advanced when Harris L. retired.
Dzumhur D. and Harris L. faced 1 of the same opponent in the last 12 months. Dzumhur D. went 0–1 (0%) against them, Harris L. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Damir Dzumhur beat Lloyd Harris 6-1 2-1 after Lloyd Harris retired. Umpiry, "Damir Dzumhur vs Lloyd Harris — BIH vs RSA Round Robin", https://umpiry.com/match/2020-03-06/dzumhur-vs-harris-bih-vs-rsa-rr?utm_source=cite (as of 6 March 2020).