Sam Querrey defeated Pierre Hugues Herbert 7-6 7-6 in the Cincinnati Masters round of 64 on hard. The result followed the form book — Sam Querrey came in defending last year's round of 32. Sam Querrey moved ahead in the head-to-head, 2–1.
Querrey S. took it in straight sets.
Querrey S. and Herbert P. faced 4 of the same opponents in the last 12 months. Querrey S. went 2–2 (50%) against them, Herbert P. 2–2 (50%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 4 common opponents — small sample, treat as indicative.
Hard: level 1–1 · Clay: Querrey S. leads 1–0
Sam Querrey beat Pierre Hugues Herbert 7-6 7-6. Umpiry, "Sam Querrey vs Pierre Hugues Herbert — Cincinnati Masters Round of 64", https://umpiry.com/match/2019-08-12/herbert-vs-querrey-cincinnati-masters-r64?utm_source=cite (as of 12 August 2019).