2019 Koser Jewelers Tennis Challenge – Singles

Madison Brengle was the defending champion, and successfully defended her title, defeating Zhu Lin in the final, 6–4, 7–5.

Seeds
• # 🇺🇸 Madison Brengle (champion)

• # 🇨🇳 Zhu Lin (final)

• # 🇺🇦 Katarina Zavatska (quarterfinals)

• # 🇬🇧 Harriet Dart (second round)

• # 🇧🇪 Yanina Wickmayer (quarterfinals)

• # 🇦🇷 Paula Ormaechea (quarterfinals)

• # 🇺🇸 Robin Anderson (withdrew)

• # 🇦🇺 Ellen Perez (second round)