Georgi Rumenov Payakov defeated Matteo Berrettini 6-2 6-3 in the Portugal F9 round of 16 on hard.
Rumenov Payakov G. took it in straight sets.
Georgi Rumenov Payakov beat Matteo Berrettini 6-2 6-3. Umpiry, "Georgi Rumenov Payakov vs Matteo Berrettini — Portugal F9 Round of 16", https://umpiry.com/match/2015-07-13/berrettini-vs-payakov-portugal-f9-r16?utm_source=cite (as of 13 July 2015).