Jan Mertl defeated Sam Groth 6-3 6-2 in the CZE vs AUS round robin on hard.
Mertl J. took it in straight sets.
Jan Mertl beat Sam Groth 6-3 6-2. Umpiry, "Jan Mertl vs Sam Groth — CZE vs AUS Round Robin", https://umpiry.com/match/2015-03-06/groth-vs-mertl-cze-vs-aus-rr?utm_source=cite (as of 6 March 2015).