Natalija Kostic defeated Valeria Podda 6-2 6-4 in the Alkmaar 10K semi-final on clay.
Kostic N. took it in straight sets.
Natalija Kostic beat Valeria Podda 6-2 6-4. Umpiry, "Natalija Kostic vs Valeria Podda — Alkmaar 10K Semi-final", https://umpiry.com/match/2013-06-17/kostic-vs-podda-alkmaar-10k-sf?utm_source=cite (as of 17 June 2013).