Alex De Minaur defeated Gilles Simon 6-3 6-2 in the Sydney semi-final on hard. The result followed the form book — Alex De Minaur came in leading the head-to-head 1–0, defending last year's final. Alex De Minaur extended the head-to-head to 2–0.
De Minaur A. took it in straight sets.
De Minaur A. and Simon G. faced 6 of the same opponents in the last 12 months. De Minaur A. went 3–3 (50%) against them, Simon G. 1–5 (17%). De Minaur A. came out better against 2 of 6 comparable opponents, Simon G. against 0.
Alex De Minaur beat Gilles Simon 6-3 6-2. Umpiry, "Alex De Minaur vs Gilles Simon — Sydney Semi-final", https://umpiry.com/match/2019-01-07/minaur-vs-simon-sydney-sf?utm_source=cite (as of 7 January 2019).