Juan Martin del Potro advanced past Fabio Fognini via walkover in the Beijing semi-final. Juan Martin del Potro moved ahead in the head-to-head, 2–1.
del Potro J. advanced on a walkover.
del Potro J. and Fognini F. faced 10 of the same opponents in the last 12 months. del Potro J. went 10–3 (77%) against them, Fognini F. 4–8 (33%). del Potro J. came out better against 5 of 9 comparable opponents, Fognini F. against 0 — though 1 of those edges carries caveats (retirement).
Juan Martin del Potro advanced when Fabio Fognini withdrew. Umpiry, "Juan Martin del Potro vs Fabio Fognini — Beijing Semi-final", https://umpiry.com/match/2018-10-01/fognini-vs-potro-beijing-sf?utm_source=cite (as of 1 October 2018).