The concept of match underlies Judy Kantrowitz’s diverse collection of thirteen papers and the newly written introduction. The result of Kantrowitz’s unique integration of research and clinical work, match challenged and contributed to theories of psychoanalytic technique and therapeutic action. Previously published and spanning decades, each paper demonstrates the significance of match within the complex interplay of the patient and analyst relationship. Kantrowitz gives us a concept neither narrowly defined nor vague, one endowed with the dynamism and unpredictability of the clinical encounter: