Top 20, listed in ascending order, one per director.
Last Updated: 07/02/2020

Fallen Angels | Wong Kar Wai | 1995 | imdb

Damnation | Bela Tarr | 1988 | imdb

The Mirror | Andrei Tarkovsky | 1975 | imdb

Naked | Mike Leigh | 1993 | imdb

As I Was Moving Ahead Occasionally I Saw Brief Glimpses of Beauty | Jonas Mekas | 2000 | imdb

La Vie Nouvelle | Philippe Grandrieux | 2002 | imdb

Wings of Desire | Wim Wenders | 1987 | imdb

The Double Life of Veronique | Krzysztof Kieslowski | 1991 | imdb

Goodbye Dragon Inn | Ming-liang Tsai | 2003 | imdb

Last Year at Marienbad | Alain Resnais | 1961 | imdb

Pierrot le Fou | Jean-Luc Godard | 1965 | imdb

Sans Soleil | Chris Marker | 1983 | imdb

L’Eclisse | Michelangelo Antonioni | 1962 | imdb

Lost Highway | David Lynch | 1997 | imdb

Last Days | Gus Van Sant | 2005 | imdb

Yi Yi | Edward Yang | 2000 | imdb

71 Fragments of a Chronology of Chance | Michael Haneke | 1994 | imdb

Irreversible | Gasper Noe | 2002 | imdb

Landscape in the Mist | Theodoros Angelopoulos | 1988 | imdb

To The Wonder | Terrence Malick | 2012 | imdb
Image Sources (unsourced are my own)