24‑Dec‑1981 | Australian Open | Grass | R64 | 36 | | Cliff Letcher [AUS] d. (10)Sadri | 3-6 6-3 6-4 6-4 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R32 | 36 | 67 | Phil Dent [AUS] d. (11)Sadri | 7-5 7-6 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R64 | 36 | | (11)Sadri d. Eddie Edwards [RSA] | 6-4 6-3 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R32 | 31 | 48 | Van Winitsky [USA] d. (2)Sadri | 6-4 2-6 6-1 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | QF | 28 | 34 | (5)Mark Edmondson [AUS] d. (2)Sadri | 7-6 6-4 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R16 | 28 | | (2)Sadri d. Chris Mayotte [USA] | 6-1 6-4 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R32 | 28 | | (2)Sadri d. Drew Gitlin [USA] | 6-3 3-6 6-1 | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | R32 | 23 | 1 | (1)John Mcenroe [USA] d. Sadri | 6-2 6-2 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R16 | 21 | 3 | (2)Jimmy Connors [USA] d. (11)Sadri | 6-2 6-1 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R32 | 21 | | (11)Sadri d. Matt Anger [USA] | 7-5 4-6 6-0 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R64 | 21 | 70 | (11)Sadri d. Butch Walts [USA] | 7-6 3-6 6-3 | | | | | | | | | |
1‑Sep‑1981 | US Open | Hard | R128 | 22 | 27 | Stan Smith [USA] d. Sadri | 5-7 6-7 7-5 6-4 7-6 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R64 | 21 | 74 | Chris Lewis Nzl [NZL] d. (11)Sadri | 6-3 6-2 | | | | | | | | | |
10‑Aug‑1981 | Montreal / Toronto | Hard | R32 | 20 | | Anand Amritraj [IND] d. (9)Sadri | 6-4 4-6 7-5 | | | | | | | | | |
10‑Aug‑1981 | Montreal / Toronto | Hard | R64 | 20 | 48 | (9)Sadri d. Mark Edmondson [AUS] | 6-1 6-4 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | R16 | 21 | 76 | Tim Wilkison [USA] d. (3)Sadri | 7-6 6-4 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | R32 | 21 | 98 | (3)Sadri d. Ron Hightower [USA] | 6-3 6-4 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R32 | 21 | 92 | Tim Mayotte [USA] d. Sadri | 7-6 6-3 7-5 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R64 | 21 | 80 | Sadri d. Christophe Roger Vasselin [FRA] | 7-6 6-7 6-3 6-4 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R128 | 21 | | Sadri d. (WC)Andrew Jarrett [GBR] | 6-3 6-7 6-3 7-6 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | SF | 25 | 12 | (3)Brian Gottfried [USA] d. (5)Sadri | 7-5 6-3 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | QF | 25 | 40 | (5)Sadri d. (11)Kevin Curren [USA] | 7-6 6-1 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R16 | 25 | 37 | (5)Sadri d. (10)Victor Amaya [USA] | 3-6 7-6 3-1 RET | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R32 | 25 | | (5)Sadri d. Syd Ball [AUS] | 4-6 6-3 6-2 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R64 | 25 | | (5)Sadri d. Mike Estep [USA] | 6-4 6-3 | | | | | | | | | |
4‑May‑1981 | Forest Hills WCT | Clay | R32 | 26 | 27 | Vijay Amritraj [IND] d. (12)Sadri | 6-4 6-3 | | | | | | | | | |
20‑Apr‑1981 | Las Vegas | Hard | R32 | 25 | 28 | Mel Purcell [USA] d. Sadri | 4-6 6-3 6-3 | | | | | | | | | |
30‑Mar‑1981 | Frankfurt | Carpet | R32 | 20 | 46 | Pascal Portes [FRA] d. Sadri | 6-4 6-3 | | | | | | | | | |
23‑Mar‑1981 | Milan | Carpet | R32 | 21 | 33 | Victor Amaya [USA] d. (5)Sadri | 7-6 6-2 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | F | 26 | 4 | (1)Gene Mayer [USA] d. (3)Sadri | 6-4 6-4 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | SF | 26 | 38 | (3)Sadri d. (6)Fritz Buehning [USA] | 5-7 6-3 7-5 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | QF | 26 | 71 | (3)Sadri d. Tony Giammalva [USA] | 7-6 7-5 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | R16 | 26 | 88 | (3)Sadri d. John Austin [USA] | 6-3 6-4 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | R32 | 26 | | (3)Sadri d. Steve Krulevitz [USA] | 6-1 3-6 7-5 | | | | | | | | | |
23‑Feb‑1981 | Memphis | Carpet | R64 | 23 | 36 | Terry Moor [USA] d. (11)Sadri | 6-7 6-4 6-2 | | | | | | | | | |
2‑Feb‑1981 | Richmond WCT | Carpet | R16 | 23 | 36 | Raul Ramirez [MEX] d. (6)Sadri | 6-4 7-6 | | | | | | | | | |
2‑Feb‑1981 | Richmond WCT | Carpet | R32 | 23 | 50 | (6)Sadri d. Trey Waltke [USA] | 6-2 7-6 | | | | | | | | | |
26‑Jan‑1981 | Philadelphia | Carpet | QF | 19 | | Thierry Tulasne [FRA] d. (11)Sadri | 7-6 6-3 | | | | | | | | | |
26‑Jan‑1981 | Philadelphia | Carpet | R16 | 19 | 46 | (11)Sadri d. Tim Gullikson [USA] | 6-7 7-6 6-4 | | | | | | | | | |
26‑Jan‑1981 | Philadelphia | Carpet | R32 | 19 | 48 | (11)Sadri d. Sandy Mayer [USA] | 4-6 6-4 6-2 | | | | | | | | | |
19‑Jan‑1981 | Monterrey WCT | Carpet | QF | 18 | 9 | (2)Vitas Gerulaitis [USA] d. (5)Sadri | 6-7 6-2 6-3 | | | | | | | | | |
19‑Jan‑1981 | Monterrey WCT | Carpet | R16 | 18 | | (5)Sadri d. John Austin [USA] | 6-4 6-1 | | | | | | | | | |
19‑Jan‑1981 | Monterrey WCT | Carpet | R32 | 18 | 25 | (5)Sadri d. Tomas Smid [CZE] | 7-6 6-7 6-2 | | | | | | | | | |