Marin Cilic advanced when Yen Hsun Lu retired 6-4 2-0 in the London quarter-final.
Cilic M. advanced when Hsun Lu Y. retired.
Cilic M. and Hsun Lu Y. faced 4 of the same opponents in the last 12 months. Cilic M. went 3–5 (38%) against them, Hsun Lu Y. 1–3 (25%). Results against comparable opponents are close (2 : 0 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Marin Cilic beat Yen Hsun Lu 6-4 2-0 after Yen Hsun Lu retired. Umpiry, "Marin Cilic vs Yen Hsun Lu — London Quarter-final", https://umpiry.com/match/2012-06-15/cilic-vs-lu-london-qf?utm_source=cite (as of 15 June 2012).