Facundo Diaz Acosta defeated Hynek Barton 6-3 7-5 in the Poznan round of 16 on clay. The result followed the form book — Facundo Diaz Acosta came in ranked #69, leading the head-to-head 1–0. Facundo Diaz Acosta extended the head-to-head to 2–0.
Diaz Acosta F. took it in straight sets.
Facundo Diaz Acosta beat Hynek Barton 6-3 7-5. Umpiry, "Facundo Diaz Acosta vs Hynek Barton — Poznan Round of 16", https://umpiry.com/match/2026-06-17/acosta-vs-barton-poznan-r16?utm_source=cite (as of 17 June 2026).