She beat Cepede Royg 6-3, 6-1 with an apparent ease, making it the fifth semi-final of a wonderful year where the young Latvian hopeful emerged as the surprise French Open winner.
Ostapenko's artillery overcomes Cepede Royg 6-3, 6-1!— WTA (@WTA) September 22, 2017
No.1 seed grabs #KoreaOpen Semifinal spot! pic.twitter.com/NBgwLuSsJH
She will now face Thailand's Luksika Kumkhum (WTA 155), who if all goes well will be her penultimate hurdle in the battle for the $250,000 prize pool.