Calgary 1973

ATP · Unknown

Ilie Nastase won the title, beating Paul Gerken 6–4 7–6 in the final.

Matches by round

27 finished

Final

1 finished
Fin
🇷🇴Ilie Nastase167
🇺🇸Paul Gerken46

Semifinals

2 finished
Fin
🇷🇴Ilie Nastase1376
🇷🇴Ion Tiriac651
Fin
🇺🇸Paul Gerken656
🇪🇸Juan Gisbert173

Quarterfinals

4 finished
Fin
🇷🇴Ilie Nastase176
🇬🇷Nicholas Kalogeropoulos52
Fin
🇷🇴Ion Tiriac67
🇩🇪Jurgen Fassbender05
Fin
🇺🇸Paul Gerken367
🇿🇦Pat Cramer636
Fin
🇪🇸Juan Gisbert66
🇩🇪Karl Meiler44

Round of 16

8 finished
Fin
🇷🇴Ilie Nastase176
🇮🇳Jasjit Singh54
Fin
🇬🇷Nicholas Kalogeropoulos77
🇦🇺Ian Fletcher65
Fin
🇩🇪Jurgen Fassbender666
🇭🇺Peter Szoke724
Fin
🇷🇴Ion Tiriac77
🇨🇦Tony Bardsley56
Fin
🇺🇸Paul Gerken66
🇨🇦Mike Belkin31
Fin
🇿🇦Pat Cramer76
🇦🇺John Cooper52
Fin
🇩🇪Karl Meiler67
🇨🇿Jan Kukal36
Fin
🇪🇸Juan Gisbert66
🇭🇺Szabolcz Baranyi42

Round of 32

12 finished
Fin
🇮🇳Jasjit Singh76
🇷🇴Gavorielle Marcu63
Fin
🇬🇷Nicholas Kalogeropoulos66
🇨🇦Peter Burwash43
Fin
🇦🇺Ian Fletcher766
🇦🇷Tito Vazquez572
Fin
🇩🇪Jurgen Fassbender666
🇺🇸F D Robbins723
Fin
🇭🇺Peter Szoke667
🇨🇿Jiri Hrebec746
Fin
🇷🇴Ion Tiriac466
PURFreddie De Jesus632
Fin
🇨🇦Tony Bardsley77
🇺🇸Mike Estep66
Fin
🇨🇦Mike Belkin366
🇦🇹Hans Kary624
Fin
🇺🇸Paul Gerken66
🇨🇦Don Mccormick11
Fin
🇿🇦Pat Cramer666
🇺🇸Victor Amaya373
Fin
🇨🇿Jan Kukal66
🇨🇦David Brown22
Fin
🇩🇪Karl Meiler66
🇨🇱Jaime Pinto Bravo04