2019 Mercer Tennis Classic – Singles

Varvara Lepchenko was the defending champion, but retired in the first round against CoCo Vandeweghe.

Katerina Stewart won the title, defeating Shelby Rogers in an all-American final, 6–7(2–7), 6–3, 6–2.

Seeds
• # 🇦🇺 Astra Sharma (second round)

• # 🇺🇸 Whitney Osuigwe (quarterfinals)

• # Stefanie Vögele (quarterfinals)

• # 🇺🇸 Varvara Lepchenko (first round, retired)

• # 🇺🇸 Usue Maitane Arconada (second round)

• # 🇺🇸 Ann Li (second round)

• # 🇺🇸 Caroline Dolehide (second round)

• # 🇱🇺 Mandy Minella (first round)