Zi Yang defeated Lavinia Tananta 4-6 7-6 6-0 in the Balikpapan 25K semi-final on hard. The upset overturned the form book — Lavinia Tananta came in leading the head-to-head 1–0. Zi Yang claimed a first win over Lavinia Tananta in two meetings, levelling the head-to-head at 1–1.
Yang Z. came through in three sets.
Zi Yang beat Lavinia Tananta 4-6 7-6(3) 6-0. Umpiry, "Zi Yang vs Lavinia Tananta — Balikpapan 25K Semi-final", https://umpiry.com/match/2013-05-13/tananta-vs-yang-balikpapan-25k-sf?utm_source=cite (as of 13 May 2013).