2019 New York Open – Singles

Kevin Anderson was the defending champion, but withdrew before the tournament began because of a right elbow injury.

Reilly Opelka won his first ATP Tour title, defeating Brayden Schnur in the final, 6–1, 6–7(7–9), 7–6(9–7). He saved six match points en route to the title, all in the second-set tiebreak of his semifinal match against John Isner.

Seeds
The top four seeds received a bye into the second round. • #🇺🇸 John Isner (semifinals)

• #🇺🇸 Frances Tiafoe (second round)

• #🇺🇸 Steve Johnson (second round)

• #🇦🇺 John Millman (second round)

• #🇫🇷 Adrian Mannarino (first round)

• #🇺🇸 Sam Querrey (semifinals)

• #🇦🇺 Jordan Thompson (quarterfinals)

• #🇺🇸 Tennys Sandgren (first round)

Seeds
• # 🇪🇸 Adrián Menéndez Maceiras (qualified)

• # 🇦🇺 Alexei Popyrin (qualifying competition, lucky loser)

• # 🇮🇳 Ramkumar Ramanathan (qualified)

• # 🇺🇸 Christopher Eubanks (qualified)

• # 🇨🇦 Brayden Schnur (qualified)

• # 🇯🇵 Yasutaka Uchiyama (first round)

• # 🇪🇨 Roberto Quiroz (first round)

• # 🇮🇹 Andrea Arnaboldi (qualifying competition)

Qualifiers
• # 🇪🇸 Adrián Menéndez Maceiras

• # 🇨🇦 Brayden Schnur

• # 🇮🇳 Ramkumar Ramanathan

• # 🇺🇸 Christopher Eubanks

Lucky loser

 * 1) 🇦🇺 Alexei Popyrin