See main article: article and 2019 ABN AMRO World Tennis Tournament. Roger Federer was the defending champion,[1] but chose not to participate this year.
Gaël Monfils won the title, defeating Stan Wawrinka in the final, 6–3, 1–6, 6–2. This was Wawrinka's first final in any ATP Tour event since the 2017 French Open.