Guillermo Olaso defeated Matteo Marrai 6-7 6-1 6-4 in the Poland F1 semi-final on clay.
Olaso G. came through in three sets.
Guillermo Olaso beat Matteo Marrai 6-7(9) 6-1 6-4. Umpiry, "Guillermo Olaso vs Matteo Marrai — Poland F1 Semi-final", https://umpiry.com/match/2008-05-12/marrai-vs-olaso-poland-f1-sf?utm_source=cite (as of 12 May 2008).