Wayne Black advanced when Raemon Sluiter retired 5-0 in the London qualifying round.
Black W. advanced when Sluiter R. retired.
Black W. and Sluiter R. faced 1 of the same opponent in the last 12 months. Black W. went 0–1 (0%) against them, Sluiter R. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Wayne Black beat Raemon Sluiter 5-0 after Raemon Sluiter retired. Umpiry, "Wayne Black vs Raemon Sluiter — London Qualifying Round", https://umpiry.com/match/2000-02-21/black-vs-sluiter-london-qf?utm_source=cite (as of 21 February 2000).