24‑Dec‑1981 | Australian Open | Grass | R16 | 31 | 19 | (4)Johan Kriek [USA] d. (11)Lewis Nzl | 7-5 7-5 3-6 2-6 6-4 | | | | | | | | | |
24‑Dec‑1981 | Australian Open | Grass | R32 | 31 | | (11)Lewis Nzl d. Marty Davis [USA] | 6-4 6-3 6-3 | | | | | | | | | |
24‑Dec‑1981 | Australian Open | Grass | R64 | 31 | 74 | (11)Lewis Nzl d. Ilie Nastase [ROU] | 6-4 6-3 6-2 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | F | 44 | | Tim Wilkison [USA] d. (12)Lewis Nzl | 6-4 7-6 6-3 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | SF | 44 | 28 | (12)Lewis Nzl d. (6)Mark Edmondson [AUS] | 6-3 6-3 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | QF | 44 | 89 | (12)Lewis Nzl d. John Alexander [AUS] | 6-1 6-1 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R16 | 44 | | (12)Lewis Nzl d. Lloyd Bourne [USA] | 6-3 7-6 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R32 | 44 | | (12)Lewis Nzl d. Jim Delaney [USA] | 7-5 6-1 | | | | | | | | | |
14‑Dec‑1981 | Sydney Outdoor | Grass | R64 | 44 | | (12)Lewis Nzl d. Dave Siegler [USA] | 6-3 3-6 6-3 | | | | | | | | | |
16‑Nov‑1981 | Bangkok | Carpet | R16 | 44 | | Anders Jarryd [SWE] d. (5)Lewis Nzl | 6-1 6-2 | | | | | | | | | |
16‑Nov‑1981 | Bangkok | Carpet | R32 | 44 | | (5)Lewis Nzl d. Robert Vant Hof [USA] | 6-2 6-3 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R16 | 42 | | (Q)Ivan Dupasquier [SUI] d. (6)Lewis Nzl | 7-6 6-4 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R32 | 42 | | (6)Lewis Nzl d. Chang Rung Wu [TPE] | 6-2 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | QF | 41 | 58 | Tim Gullikson [USA] d. (4)Lewis Nzl | 7-6 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R16 | 41 | 26 | (4)Lewis Nzl d. Vincent Van Patten [USA] | 6-1 2-6 6-1 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R32 | 41 | | (4)Lewis Nzl d. Ivan Dupasquier [SUI] | 6-1 3-6 7-5 | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | R16 | 43 | 14 | (5)Vitas Gerulaitis [USA] d. Lewis Nzl | 6-2 6-3 | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | R32 | 43 | 54 | Lewis Nzl d. Terry Moor [USA] | 6-4 7-5 | | | | | | | | | |
19‑Oct‑1981 | Melbourne Indoor | Carpet | SF | 46 | 13 | (2)Vitas Gerulaitis [USA] d. (4)Lewis Nzl | 6-4 6-1 | | | | | | | | | |
19‑Oct‑1981 | Melbourne Indoor | Carpet | QF | 46 | 51 | (4)Lewis Nzl d. (7)John Fitzgerald [AUS] | 5-7 6-2 6-3 | | | | | | | | | |
19‑Oct‑1981 | Melbourne Indoor | Carpet | R16 | 46 | | (4)Lewis Nzl d. Wayne Hampson [AUS] | 6-0 6-1 | | | | | | | | | |
19‑Oct‑1981 | Melbourne Indoor | Carpet | R32 | 46 | | (4)Lewis Nzl d. (Q)John Benson [USA] | 7-6 6-0 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | F | 53 | 56 | (2)Mark Edmondson [AUS] d. (1)Lewis Nzl | 7-6 3-6 6-4 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | SF | 53 | 60 | (1)Lewis Nzl d. Phil Dent [AUS] | 1-6 7-5 6-3 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | QF | 53 | | (1)Lewis Nzl d. Syd Ball [AUS] | 6-4 4-6 6-2 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | R16 | 53 | | (1)Lewis Nzl d. Cliff Letcher [AUS] | 6-2 6-4 | | | | | | | | | |
5‑Oct‑1981 | Brisbane | Grass | R32 | 53 | | (1)Lewis Nzl d. Chris Johnstone [AUS] | 6-3 2-6 6-4 | | | | | | | | | |
1‑Sep‑1981 | US Open | Hard | R64 | 48 | 50 | Andres Gomez [ECU] d. Lewis Nzl | 6-4 6-3 6-3 | | | | | | | | | |
1‑Sep‑1981 | US Open | Hard | R128 | 48 | 66 | Lewis Nzl d. Hank Pfister [USA] | 7-5 7-6 6-2 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | F | 74 | 1 | (1)John Mcenroe [USA] d. Lewis Nzl | 6-3 6-4 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | SF | 74 | 37 | Lewis Nzl d. (16)Stan Smith [USA] | 6-7 7-6 6-3 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | QF | 74 | 35 | Lewis Nzl d. (WC)Bill Scanlon [USA] | 6-3 1-6 6-3 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R16 | 74 | 84 | Lewis Nzl d. Christophe Roger Vasselin [FRA] | 4-6 7-6 6-2 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R32 | 74 | | Lewis Nzl d. Raymond Moore [RSA] | 6-3 6-2 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R64 | 74 | 21 | Lewis Nzl d. (11)John Sadri [USA] | 6-3 6-2 | | | | | | | | | |
10‑Aug‑1981 | Montreal / Toronto | Hard | R64 | 70 | 4 | (4)Ivan Lendl [USA] d. Lewis Nzl | 6-2 3-6 6-1 | | | | | | | | | |
3‑Aug‑1981 | Indianapolis | Clay | R32 | 72 | 53 | Ricardo Cano [ARG] d. Lewis Nzl | 6-2 6-2 | | | | | | | | | |
3‑Aug‑1981 | Indianapolis | Clay | R64 | 72 | 35 | Lewis Nzl d. (8)Eddie Dibbs [USA] | 6-4 1-6 6-2 | | | | | | | | | |
28‑Jul‑1981 | North Conway | Clay | R64 | 68 | 12 | (8)Eliot Teltscher [USA] d. Lewis Nzl | 7-6 6-1 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R64 | 59 | 3 | (3)Jimmy Connors [USA] d. Lewis Nzl | 7-6 7-6 6-3 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R128 | 59 | | Lewis Nzl d. (Q)Chris Dunk [USA] | 6-7 7-6 0-6 6-4 6-4 | | | | | | | | | |
13‑Jun‑1981 | Bristol | Grass | R32 | 51 | 72 | Mark Edmondson [AUS] d. (8)Lewis Nzl | 6-2 6-2 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R64 | 51 | 88 | John Fitzgerald [AUS] d. (15)Lewis Nzl | 4-6 6-4 8-6 | | | | | | | | | |
25‑May‑1981 | Roland Garros | Clay | R64 | 52 | 20 | (16)Eddie Dibbs [USA] d. Lewis Nzl | 6-3 6-2 4-6 6-4 | | | | | | | | | |
25‑May‑1981 | Roland Garros | Clay | R128 | 52 | 74 | Lewis Nzl d. Mark Edmondson [AUS] | 6-4 6-2 4-6 2-6 6-4 | | | | | | | | | |
18‑May‑1981 | Munich | Clay | F | 70 | 78 | (4)Lewis Nzl d. (7)Christophe Roger Vasselin [FRA] | 4-6 6-2 2-6 6-1 6-1 | | | | | | | | | |
18‑May‑1981 | Munich | Clay | SF | 70 | | (4)Lewis Nzl d. (8)Ulrich Pinner [GER] | 6-1 6-1 | | | | | | | | | |
18‑May‑1981 | Munich | Clay | QF | 70 | 67 | (4)Lewis Nzl d. (6)Pavel Slozil [CZE] | 3-6 7-5 7-6 | | | | | | | | | |
18‑May‑1981 | Munich | Clay | R16 | 70 | 81 | (4)Lewis Nzl d. Klaus Eberhard [GER] | 6-4 7-6 | | | | | | | | | |
18‑May‑1981 | Munich | Clay | R32 | 70 | 92 | (4)Lewis Nzl d. Jan Norback [SWE] | 6-3 6-2 | | | | | | | | | |
11‑May‑1981 | Hamburg | Clay | R64 | 58 | 21 | (7)Tomas Smid [CZE] d. Lewis Nzl | 7-6 7-6 | | | | | | | | | |
27‑Apr‑1981 | West Worthing CH | Clay | R16 | 56 | | (1)Raymond Moore [RSA] d. Lewis Nzl | 7-5 1-6 6-2 | | | | | | | | | |
27‑Apr‑1981 | West Worthing CH | Clay | R32 | 56 | | Lewis Nzl d. Jeremy Bates [GBR] | 6-0 6-1 | | | | | | | | | |
13‑Apr‑1981 | Monte Carlo | Clay | R32 | 53 | 71 | Christophe Roger Vasselin [FRA] d. Lewis Nzl | 6-4 6-3 | | | | | | | | | |
6‑Apr‑1981 | Nice | Clay | R16 | 51 | | Paul Torre [FRA] d. (6)Lewis Nzl | 0-6 6-3 6-1 | | | | | | | | | |
6‑Apr‑1981 | Nice | Clay | R32 | 51 | | (6)Lewis Nzl d. Gustavo Guerrero [ARG] | 6-3 6-3 | | | | | | | | | |
30‑Mar‑1981 | Linz | Hard | QF | 52 | 88 | (7)Mark Edmondson [AUS] d. (3)Lewis Nzl | 7-5 6-3 | | | | | | | | | |
30‑Mar‑1981 | Linz | Hard | R16 | 52 | | (3)Lewis Nzl d. Chris Johnstone [AUS] | 4-6 6-3 6-3 | | | | | | | | | |
30‑Mar‑1981 | Linz | Hard | R32 | 52 | | (3)Lewis Nzl d. Jiri Hrebec [CZE] | 3-6 6-4 6-3 | | | | | | | | | |
23‑Mar‑1981 | Stuttgart Indoor | Hard | F | 61 | 5 | (1)Ivan Lendl [USA] d. Lewis Nzl | 6-3 6-0 6-7 6-3 | | | | | | | | | |
23‑Mar‑1981 | Stuttgart Indoor | Hard | SF | 61 | 65 | Lewis Nzl d. Shlomo Glickstein [ISR] | 2-6 7-6 7-5 | | | | | | | | | |
23‑Mar‑1981 | Stuttgart Indoor | Hard | QF | 61 | 55 | Lewis Nzl d. (6)Pat Dupre [USA] | 6-3 6-3 | | | | | | | | | |
23‑Mar‑1981 | Stuttgart Indoor | Hard | R16 | 61 | 67 | Lewis Nzl d. Marcos Hocevar [BRA] | 7-5 6-4 | | | | | | | | | |
23‑Mar‑1981 | Stuttgart Indoor | Hard | R32 | 61 | | Lewis Nzl d. (Q)Andreas Maurer [GER] | 7-5 6-4 | | | | | | | | | |
16‑Mar‑1981 | Rotterdam | Hard | R32 | 64 | 12 | (5)Brian Gottfried [USA] d. Lewis Nzl | 6-4 6-4 | | | | | | | | | |
5‑Jan‑1981 | Adelaide | Grass | R16 | 59 | | Wayne Pascoe [AUS] d. (4)Lewis Nzl | 6-4 6-1 | | | | | | | | | |
5‑Jan‑1981 | Adelaide | Grass | R32 | 59 | | (4)Lewis Nzl d. Pat Cash [AUS] | 6-3 6-1 | | | | | | | | | |