Marc Sieber defeated Pierre Hugues Herbert 6-3 6-1 in the Czech Republic F1 round of 32 on clay.
Sieber M. took it in straight sets.
Marc Sieber beat Pierre Hugues Herbert 6-3 6-1. Umpiry, "Marc Sieber vs Pierre Hugues Herbert — Czech Republic F1 Round of 32", https://umpiry.com/match/2010-05-03/herbert-vs-sieber-czech-republic-f1-r32?utm_source=cite (as of 3 May 2010).