24‑Dec‑1981 | Australian Open | Grass | R32 | | | Cliff Letcher [AUS] d. Delaney | 7-6 7-6 4-6 3-6 6-4 | | | | | | | | | |
24‑Dec‑1981 | Australian Open | Grass | R64 | | | Delaney d. Matt Mitchell [USA] | 6-4 3-6 6-3 7-6 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R32 | | 44 | (12)Chris Lewis Nzl [NZL] d. Delaney | 7-5 6-1 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R64 | | | Delaney d. Greg Whitecross [AUS] | 7-6 6-3 | | | | | | | | | |
23‑Nov‑1981 | Manila | Clay | R32 | | | Hans Peter Kandler [AUT] d. (8)Delaney | 6-4 6-3 | | | | | | | | | |
16‑Nov‑1981 | Bangkok | Carpet | R32 | | | Chris Dunk [USA] d. Delaney | 7-5 6-3 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R32 | | 32 | (3)Paul Mcnamee [AUS] d. Delaney | 6-2 6-0 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R32 | | 26 | Vincent Van Patten [USA] d. Delaney | 6-2 3-6 6-1 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R16 | | | Van Winitsky [USA] d. (16)Delaney | 6-7 6-4 6-4 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R32 | | | (16)Delaney d. Kunio Tsukamoto [JPN] | 6-3 6-7 6-4 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R64 | | | (16)Delaney d. Lloyd Bourne [USA] | 7-5 7-5 | | | | | | | | | |
12‑Oct‑1981 | Sydney Indoor | Hard | R16 | | 58 | John Fitzgerald [AUS] d. Delaney | 7-5 6-2 | | | | | | | | | |
12‑Oct‑1981 | Sydney Indoor | Hard | R32 | | 15 | Delaney d. (7)Kim Warwick [AUS] | 6-4 6-4 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | R32 | | | Mal Anderson [AUS] d. Delaney | 6-2 6-7 6-2 | | | | | | | | | |
29‑Sep‑1981 | Maui | Hard | R32 | | 40 | (5)Tim Mayotte [USA] d. Delaney | 6-1 0-6 6-4 | | | | | | | | | |
1‑Sep‑1981 | US Open | Hard | R128 | | 80 | Pat Dupre [USA] d. Delaney | 6-3 6-3 4-6 6-2 | | | | | | | | | |
17‑Aug‑1981 | Atlanta | Hard | R32 | | | Hans Simonsson [SWE] d. Delaney | 5-7 6-4 6-0 | | | | | | | | | |
3‑Aug‑1981 | Columbus | Hard | R16 | | 34 | (5)Stan Smith [USA] d. Delaney | 6-7 7-6 6-3 | | | | | | | | | |
3‑Aug‑1981 | Columbus | Hard | R32 | | | Delaney d. Juan Farrow [USA] | 4-6 6-4 6-3 | | | | | | | | | |
28‑Jul‑1981 | North Conway | Clay | R32 | | 32 | (13)Hans Gildemeister [CHI] d. Delaney | 6-3 6-0 | | | | | | | | | |
28‑Jul‑1981 | North Conway | Clay | R64 | | 72 | Delaney d. Per Hjertquist [SWE] | 6-1 6-3 | | | | | | | | | |
20‑Jul‑1981 | Washington | Clay | R64 | | | Marko Ostoja [CRO] d. Delaney | 6-2 6-4 | | | | | | | | | |
13‑Jul‑1981 | Boston | Clay | R32 | | 66 | (16)Vincent Van Patten [USA] d. Delaney | 2-6 6-2 6-2 | | | | | | | | | |
13‑Jul‑1981 | Boston | Clay | R64 | | | Delaney d. Gabriel Urpi [ESP] | 7-5 2-6 6-4 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | QF | | 14 | (2)Johan Kriek [USA] d. Delaney | 6-1 6-3 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | R16 | | 33 | Delaney d. (5)Victor Amaya [USA] | 7-6 6-3 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | R32 | | | Delaney d. Sashi Menon [IND] | 7-6 7-6 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R128 | | | Sherwood Stewart [USA] d. Delaney | 7-5 6-3 6-7 6-3 | | | | | | | | | |
6‑May‑1981 | Mexicali CH | Hard | F | | | Delaney d. (1)Ross Case [AUS] | 6-3 5-7 7-5 | | | | | | | | | |
6‑May‑1981 | Mexicali CH | Hard | SF | | | Delaney d. (3)Anand Amritraj [IND] | 2-6 6-2 6-2 | | | | | | | | | |
6‑May‑1981 | Mexicali CH | Hard | QF | | | Delaney d. (6)Erik Van Dillen [USA] | 6-4 7-5 | | | | | | | | | |
6‑May‑1981 | Mexicali CH | Hard | R16 | | | Delaney d. Egan Adams [USA] | 5-7 7-6 6-4 | | | | | | | | | |
6‑May‑1981 | Mexicali CH | Hard | R32 | | | Delaney d. Kevin Cook [USA] | 6-4 6-0 | | | | | | | | | |
27‑Apr‑1981 | Nagoya CH | Hard | SF | | | (8)Charlie Fancutt [AUS] d. Delaney | 6-3 6-7 7-6 | | | | | | | | | |
27‑Apr‑1981 | Nagoya CH | Hard | QF | | | Delaney d. Matt Mitchell [USA] | 6-1 6-1 | | | | | | | | | |
27‑Apr‑1981 | Nagoya CH | Hard | R16 | | | Delaney d. Greg Whitecross [AUS] | 6-1 6-4 | | | | | | | | | |
27‑Apr‑1981 | Nagoya CH | Hard | R32 | | | Delaney d. Jun Kamiwazumi [JPN] | 6-3 6-2 | | | | | | | | | |
20‑Apr‑1981 | Tokyo CH | Clay | QF | | | (4)Mike Cahill [USA] d. Delaney | 6-3 6-2 | | | | | | | | | |
20‑Apr‑1981 | Tokyo CH | Clay | R16 | | | Delaney d. (8)Cliff Letcher [AUS] | 6-4 6-0 | | | | | | | | | |
20‑Apr‑1981 | Tokyo CH | Clay | R32 | | | Delaney d. (Q)Hitoshi Shirato [JPN] | 6-0 6-4 | | | | | | | | | |
6‑Apr‑1981 | Kyoto CH | Clay | QF | | | Dave Siegler [USA] d. Delaney | 6-4 2-6 6-4 | | | | | | | | | |
6‑Apr‑1981 | Kyoto CH | Clay | R16 | | | Delaney d. (7)Roland Stadler [SUI] | 6-1 6-4 | | | | | | | | | |
6‑Apr‑1981 | Kyoto CH | Clay | R32 | | | Delaney d. Bruce Kleege [USA] | 6-4 6-3 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | R32 | | 85 | (2)Ilie Nastase [ROU] d. (Q)Delaney | 6-3 7-5 | | | | | | | | | |
23‑Feb‑1981 | Memphis | Carpet | R32 | | 60 | (15)Peter Fleming [USA] d. Delaney | 1-6 6-4 6-2 | | | | | | | | | |
23‑Feb‑1981 | Memphis | Carpet | R64 | | 80 | Delaney d. Ilie Nastase [ROU] | 6-4 7-6 | | | | | | | | | |
16‑Feb‑1981 | La Quinta | Hard | R64 | | 37 | Rolf Gehring [GER] d. (Q)Delaney | 6-3 4-6 6-4 | | | | | | | | | |