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

Reilly Opelka Reilly Opelka (born 28 August 1997) is an American professional tennis player. At , he is tied (with Ivo Karlović) for the tallest-ever Association of Tennis Professionals, ATP-ranked player, and can produce serves that measure over . He has be ...

won his first

ATP Tour The ATP Tour (known as ATP World Tour between January 2009 and December 2018) is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals (ATP) founded in 1990 that replaced the earlier dual Grand Prix ...

title, defeating

Brayden Schnur Brayden Schnur (born July 4, 1995) is a Canadian former professional tennis player. He reached a career-high ATP singles ranking of No. 92 in August 2019. Schnur was a part of the University of North Carolina at Chapel Hill tennis team from Janua ...

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 John Robert Isner (born April 26, 1985) is an American former professional tennis player. He was ranked as high as world No. 8 in singles and No. 14 in doubles by the Association of Tennis Professionals (ATP). Considered one of the best servers ...

Seeds

The top four

seeds In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the ...

received a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky loser

Alexei Popyrin Alexei Popyrin (born 5 August 1999) is an Australian professional tennis player. He has a career-high Association of Tennis Professionals, ATP singles ranking of world No. 21 achieved on 9 June 2025. He also has a career-high ATP doubles rankin ...

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main draw

Qualifying draw
{{DEFAULTSORT:New York Open - Singles, 2019 2019 ATP Tour

2019 Singles Nineteen or 19 may refer to: * 19 (number) * One of the years 19 BC, AD 19, 1919, 2019 Films * ''19'' (film), a 2001 Japanese film * ''Nineteen'' (1987 film), a 1987 science fiction film * '' 19-Nineteen'', a 2009 South Korean film * '' D ...