Roger Federer advanced past Yen Hsun Lu via walkover in the Halle quarter-final. Roger Federer extended the head-to-head to 3–0.
Federer R. advanced on a walkover.
Federer R. and Hsun Lu Y. faced 5 of the same opponents in the last 12 months. Federer R. went 8–0 (100%) against them, Hsun Lu Y. 2–3 (40%). Results against comparable opponents are close (1 : 0 better-results split).
Hard: Federer R. leads 1–0 · Grass: Federer R. leads 1–0
Roger Federer advanced when Yen Hsun Lu withdrew. Umpiry, "Roger Federer vs Yen Hsun Lu — Halle Quarter-final", https://umpiry.com/match/2014-06-09/federer-vs-lu-halle-qf?utm_source=cite (as of 9 June 2014).