CHARLESTON, S.C. -- It will be the battle of the 19-year-olds in the Volvo Car Open final as Daria Kastkina and Jelena Ostapenko won their respective semifinals on Saturday in Charleston.
In the first semifinal, Daria Kasatkina rallied from a set down to defeat Laura Siegemund 3-6, 6-2, 6-1.
"The difference is that I had two matches over three hours and she didn't, I think," said Siegemund in her post-match interview.
"I just couldn't move anymore. The week is a long week, and I'm a really fit player but she just started giving me no pace at all.
"I just started to miss here and there like this, my serve started to go down. Very frustrating for me because I was playing really well and it was like someone unplugging my energy."
In the other semifinal, Ostapenko took out Mirjana Lucic-Baroni in three sets. Ostapenko had a chance to serve for the match at 5-4 in the second set, but Lucic-Baroni won the next three games, taking the second set.
The 19-year-old Latvian regrouped, racing to a 2-0 lead in the third and never looking back, wrapping up the match 6-3, 5-7, 6-4.
Watch Volvo Car Open matches LIVE on Tennis Channel and Tennis Channel PLUS
Read more articles by Ashley Ndebele