Jannik Sinner defeated Mateo Nicolas Martinez 6-4 6-2 in the Greece F5 round of 32 on hard.
Sinner J. took it in straight sets.
Jannik Sinner beat Mateo Nicolas Martinez 6-4 6-2. Umpiry, "Jannik Sinner vs Mateo Nicolas Martinez — Greece F5 Round of 32", https://umpiry.com/match/2018-03-26/martinez-vs-sinner-greece-f5-r32?utm_source=cite (as of 26 March 2018).