19‑Dec‑1983 | Adelaide | Grass | R32 | 67 | 100 | Miloslav Mecir [SVK] d. (7)Masur | 6-4 3-6 6-3 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R16 | 68 | 41 | (8)Pat Cash [AUS] d. Masur | 6-4 6-7 6-1 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R32 | 68 | 69 | Masur d. Mark Dickson [USA] | 7-6 7-5 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R64 | 68 | 72 | Masur d. Brad Drewett [AUS] | 4-6 6-4 7-5 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | QF | 87 | 2 | (2)John Mcenroe [USA] d. Masur | 6-2 6-1 6-2 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | R16 | 87 | 19 | Masur d. (8)Anders Jarryd [SWE] | 6-3 6-3 4-6 6-1 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | R32 | 87 | | Masur d. (Q)Ken Flach [USA] | 6-1 7-6 7-6 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | R64 | 87 | | Masur d. Simon Youl [AUS] | 6-4 7-6 7-6 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | R128 | 87 | | Masur d. (Q)Eric Sherbeck [USA] | 6-2 6-4 6-2 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | R16 | 85 | 76 | Nduka Odizor [NGR] d. Masur | 7-6 6-3 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | R32 | 85 | | Masur d. John Mccurdy [AUS] | 6-7 6-0 6-2 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | F | | 48 | Masur d. Sammy Giammalva Jr [USA] | 6-1 6-1 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | SF | | 38 | Masur d. (3)Mark Edmondson [AUS] | 6-3 6-3 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | QF | | | Masur d. (Q)David Pate [USA] | 6-4 5-7 7-6 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R16 | | | Masur d. Pat Dupre [USA] | 7-6 6-2 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R32 | | | Masur d. Jim Gurfein [USA] | 4-6 6-3 6-0 | | | | | | | | | |
17‑Oct‑1983 | Sydney CH | Hard | SF | | | (4)John Frawley [AUS] d. (1)Masur | 5-7 6-4 6-2 | | | | | | | | | |
17‑Oct‑1983 | Sydney CH | Hard | QF | | | (1)Masur d. Russell Barlow [AUS] | 6-4 6-2 | | | | | | | | | |
17‑Oct‑1983 | Sydney CH | Hard | R16 | | | (1)Masur d. Mark Kratzmann [AUS] | 6-0 6-2 | | | | | | | | | |
17‑Oct‑1983 | Sydney CH | Hard | R32 | | | (1)Masur d. (Q)Brad Properjohn [AUS] | 6-2 6-3 | | | | | | | | | |
17‑Oct‑1983 | Sydney CH | Hard | R64 | | | (1)Masur d. Peter Thrupp [AUS] | 6-0 6-0 | | | | | | | | | |
10‑Oct‑1983 | Sydney Indoor | Hard | R32 | | 20 | (5)Henri Leconte [FRA] d. Masur | 6-2 6-2 | | | | | | | | | |
3‑Oct‑1983 | Brisbane | Carpet | R16 | | 40 | (5)John Fitzgerald [AUS] d. Masur | 7-6 7-5 | | | | | | | | | |
3‑Oct‑1983 | Brisbane | Carpet | R32 | | | Masur d. Mark Kratzmann [AUS] | 6-3 6-4 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | R32 | | 51 | (5)Tom Gullikson [USA] d. Masur | 4-6 6-2 6-3 | | | | | | | | | |
20‑Jun‑1983 | Wimbledon | Grass | R64 | | 1 | (1)Jimmy Connors [USA] d. Masur | 6-4 7-6 6-0 | | | | | | | | | |
20‑Jun‑1983 | Wimbledon | Grass | R128 | | 85 | Masur d. Lloyd Bourne [USA] | 4-6 4-6 6-4 6-3 6-2 | | | | | | | | | |
13‑Jun‑1983 | Bristol | Grass | R16 | 125 | 18 | (3)Brian Teacher [USA] d. Masur | 6-7 6-4 6-3 | | | | | | | | | |
13‑Jun‑1983 | Bristol | Grass | R32 | 125 | 110 | Masur d. Givaldo Barbosa [BRA] | 6-7 7-6 6-3 | | | | | | | | | |
6‑Jun‑1983 | Queen's Club | Grass | R64 | | 18 | (7)Bill Scanlon [USA] d. Masur | 6-3 6-3 | | | | | | | | | |
23‑May‑1983 | Roland Garros | Clay | R64 | | 31 | Mel Purcell [USA] d. Masur | 6-2 6-3 6-3 | | | | | | | | | |
23‑May‑1983 | Roland Garros | Clay | R128 | | 67 | Masur d. Guy Forget [FRA] | 7-6 3-6 2-6 6-4 | | | | | | | | | |
16‑May‑1983 | Rome | Clay | R64 | | 58 | Pat Cash [AUS] d. Masur | 6-2 6-0 | | | | | | | | | |
9‑May‑1983 | Florence | Clay | R32 | | | Bernard Fritz [FRA] d. Masur | 1-6 6-4 6-4 | | | | | | | | | |
18‑Apr‑1983 | Bournemouth | Clay | R16 | | 39 | (5)Balazs Taroczy [HUN] d. Masur | 7-6 6-2 | | | | | | | | | |
18‑Apr‑1983 | Bournemouth | Clay | R32 | | | Masur d. Alberto Tous [ESP] | 1-6 7-5 6-4 | | | | | | | | | |
11‑Apr‑1983 | Aix en Provence | Clay | R32 | | 89 | Peter Elter [GER] d. Masur | 6-1 7-5 | | | | | | | | | |
21‑Mar‑1983 | Nice | Clay | R32 | | 76 | Magnus Tideman [SWE] d. Masur | 6-3 6-2 | | | | | | | | | |
7‑Mar‑1983 | Nancy | Hard | QF | | 41 | (3)Chip Hooper [USA] d. Masur | 6-1 1-6 6-4 | | | | | | | | | |
7‑Mar‑1983 | Nancy | Hard | R16 | | | Masur d. Ilie Nastase [ROU] | 5-7 7-6 6-2 | | | | | | | | | |
7‑Mar‑1983 | Nancy | Hard | R32 | | 53 | Masur d. Sammy Giammalva Jr [USA] | 6-3 6-4 | | | | | | | | | |
28‑Feb‑1983 | Cairo CH | Clay | R32 | | 100 | Rod Frawley [AUS] d. Masur | 6-3 2-6 6-2 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | F | 125 | 240 | (2)Masur d. (11)Juan Farrow [USA] | 6-2 4-6 7-6 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | SF | 125 | 237 | (2)Masur d. (12)Dave Siegler [USA] | 6-3 7-5 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | QF | 125 | 179 | (2)Masur d. (6)Broderick Dyke [AUS] | 6-3 6-0 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | R16 | 125 | 279 | (2)Masur d. (15)Jonathan Canter [USA] | 6-2 7-6 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | R32 | 125 | 504 | (2)Masur d. Alessandro De Minicis [ITA] | 6-3 6-0 | | | | | | | | | |
3‑Jan‑1983 | Perth CH | Grass | R64 | 125 | 669 | (2)Masur d. (Q)Graham Riddle [AUS] | 7-6 6-3 | | | | | | | | | |
28‑Dec‑1982 | Melbourne | Grass | R32 | | | John Lloyd [GBR] d. Masur | 6-3 6-3 | | | | | | | | | |