1990 ATP Championship Series, Single Week
Singles
Columns: Tournament | Surface | Week | Winner and score | Finalist | Semifinalists
Indian Wells | Hard | March 5 | Stefan Edberg (2) 6–4, 5–7, 7–6, 7–6 | Andre Agassi (6) | Boris Becker (1) Jim Courier | Miami | Hard | March 12 | Andre Agassi (5) 6–1, 6–4, 0–6, 6–2 | Stefan Edberg (3) | Emilio Sánchez (15) Jay Berger (7) | Monte Carlo | Clay | April 23 | Andrei Chesnokov (12) 7–5, 6–3, 6–3 | Thomas Muster | Henri Leconte (WC) Emilio Sánchez (7) | Hamburg | Clay | May 7 | Juan Aguilera 6–1, 6–0, 7–6 | Boris Becker (1) | Henri Leconte (WC) Guy Forget | Rome | Clay | May 14 | Thomas Muster (10) 6–1, 6–3, 6–1 | Andrei Chesnokov (8) | Emilio Sánchez (4) Andrés Gómez (3) | Toronto | Hard | July 23 | Michael Chang (7) * 4–6, 6–3, 7–6 | Jay Berger (4) | Pete Sampras (5) Jakob Hlasek | Cincinnati | Hard | August 6 | Stefan Edberg (1) 6–1, 6–1 | Brad Gilbert (4) | Andrés Gómez (3) Scott Davis | Stockholm | Carpet (i) | October 22 | Boris Becker (2) 6–4, 6–0, 6–3 | Stefan Edberg (1) | Alexander Volkov Pete Sampras (4) | Paris | Carpet (i) | October 29 | Stefan Edberg (1) 3–3 Ret. | Boris Becker (2) | Sergi Bruguera Jonas Svensson (14)