Yelyzaveta Kotliar will knock off Pia Lovric at the W50 Prague tournament and advance in the Prague draw. Kotliar arrives after a 6-1, 6-3 win over Laura Mair and will face a qualifier who reached the event from the qualifying rounds. Lovric beat Merel Hoedt 6-2, 6-0 earlier in Prague and beat Kotl…