Joao Sousa defeated Georgi Rumenov Payakov 6-4 6-4 in the Spain F17 round of 16 on clay. The upset overturned the form book — Georgi Rumenov Payakov came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Sousa J. took it in straight sets.
Clay: Sousa J. leads 2–0 · Hard: Rumenov Payakov G. leads 2–0
Joao Sousa beat Georgi Rumenov Payakov 6-4 6-4. Umpiry, "Joao Sousa vs Georgi Rumenov Payakov — Spain F17 Round of 16", https://umpiry.com/match/2010-05-17/payakov-vs-sousa-spain-f17-r16?utm_source=cite (as of 17 May 2010).