7‑Nov‑1983 | Taipei | Carpet | F | 23 | 76 | Nduka Odizor [NGR] d. (1)Davis | 6-4 3-6 6-4 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | SF | 23 | 54 | (1)Davis d. (5)Brad Gilbert [USA] | 7-6 6-7 6-4 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | QF | 23 | 62 | (1)Davis d. (8)Tim Gullikson [USA] | 4-6 6-3 6-2 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | R16 | 23 | | (1)Davis d. Drew Gitlin [USA] | 6-2 6-0 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | R32 | 23 | | (1)Davis d. Pat Dupre [USA] | 6-3 6-0 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R32 | 22 | | Zoltan Kuharszky [HUN] d. Davis | 6-1 2-6 6-2 | | | | | | | | | |
24‑Oct‑1983 | Tokyo Indoor | Carpet | F | 39 | 2 | (1)Ivan Lendl [USA] d. Davis | 3-6 6-3 6-4 | | | | | | | | | |
24‑Oct‑1983 | Tokyo Indoor | Carpet | SF | 39 | 3 | Davis d. (2)Jimmy Connors [USA] | 6-3 6-4 | | | | | | | | | |
24‑Oct‑1983 | Tokyo Indoor | Carpet | QF | 39 | 13 | Davis d. (3)Andres Gomez [ECU] | 6-4 4-6 6-2 | | | | | | | | | |
24‑Oct‑1983 | Tokyo Indoor | Carpet | R16 | 39 | 95 | Davis d. Thierry Tulasne [FRA] | 2-6 6-4 6-3 | | | | | | | | | |
24‑Oct‑1983 | Tokyo Indoor | Carpet | R32 | 39 | 18 | Davis d. (6)Henri Leconte [FRA] | 6-4 7-6 | | | | | | | | | |
17‑Oct‑1983 | Tokyo Outdoor | Hard | R32 | 39 | | Larry Stefanki [USA] d. (7)Davis | 7-6 6-4 | | | | | | | | | |
17‑Oct‑1983 | Tokyo Outdoor | Hard | R64 | 39 | | (7)Davis d. (Q)Mark Vines [USA] | 6-1 7-5 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | F | 51 | 73 | (3)Davis d. (4)Vincent Van Patten [USA] | 6-3 6-7 7-6 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | SF | 51 | 82 | (3)Davis d. Brad Gilbert [USA] | 6-3 7-6 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | QF | 51 | | (3)Davis d. Marty Davis [USA] | 7-5 6-1 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | R16 | 51 | | (3)Davis d. Butch Walts [USA] | 6-4 6-4 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | R32 | 51 | | (3)Davis d. Charles Buzz Strode [USA] | 6-2 6-3 | | | | | | | | | |
19‑Sep‑1983 | San Francisco | Carpet | R16 | 58 | 7 | (4)Kevin Curren [USA] d. Davis | 6-3 7-5 | | | | | | | | | |
19‑Sep‑1983 | San Francisco | Carpet | R32 | 58 | | Davis d. Butch Walts [USA] | 6-3 6-2 | | | | | | | | | |
12‑Sep‑1983 | Dallas | Hard | SF | 99 | 24 | (6)Brian Teacher [USA] d. Davis | 6-4 3-6 6-3 | | | | | | | | | |
12‑Sep‑1983 | Dallas | Hard | QF | 99 | 37 | Davis d. (8)John Fitzgerald [AUS] | 7-6 6-1 | | | | | | | | | |
12‑Sep‑1983 | Dallas | Hard | R16 | 99 | | Davis d. Tim Gullikson [USA] | 6-7 7-6 6-3 | | | | | | | | | |
12‑Sep‑1983 | Dallas | Hard | R32 | 99 | | Davis d. Stan Smith [USA] | 7-6 3-6 7-5 | | | | | | | | | |
30‑Aug‑1983 | US Open | Hard | R128 | 82 | 4 | (4)Yannick Noah [FRA] d. Davis | 6-1 3-6 7-6 6-4 | | | | | | | | | |
15‑Aug‑1983 | Cincinnati | Hard | R64 | 80 | | (Q)David Carter [AUS] d. Davis | 6-2 7-6 | | | | | | | | | |
8‑Aug‑1983 | Montreal / Toronto | Hard | R64 | 62 | 27 | (15)Robert Vant Hof [USA] d. Davis | 6-1 6-4 | | | | | | | | | |
1‑Aug‑1983 | Columbus | Hard | SF | 82 | 28 | (6)Brian Teacher [USA] d. (Q)Davis | 2-6 6-3 6-4 | | | | | | | | | |
1‑Aug‑1983 | Columbus | Hard | QF | 82 | | (Q)Davis d. Eric Korita [USA] | 7-6 6-2 | | | | | | | | | |
1‑Aug‑1983 | Columbus | Hard | R16 | 82 | 48 | (Q)Davis d. Chip Hooper [USA] | 6-2 6-3 | | | | | | | | | |
1‑Aug‑1983 | Columbus | Hard | R32 | 82 | 91 | (Q)Davis d. Francisco Gonzalez [PAR] | 6-3 6-0 | | | | | | | | | |
11‑Jul‑1983 | Boston | Clay | R16 | 98 | 18 | (4)Eliot Teltscher [USA] d. Davis | 3-6 7-6 6-2 | | | | | | | | | |
11‑Jul‑1983 | Boston | Clay | R32 | 98 | | Davis d. Craig A Miller [AUS] | 6-2 6-4 | | | | | | | | | |
11‑Jul‑1983 | Boston | Clay | R64 | 98 | 65 | Davis d. (13)Vincent Van Patten [USA] | 6-3 6-4 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | F | | 57 | (3)John Fitzgerald [AUS] d. Davis | 2-6 6-1 6-3 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | SF | | | Davis d. Matt Mitchell [USA] | 7-6 3-6 6-1 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | QF | | | Davis d. Tim Gullikson [USA] | 7-5 7-5 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | R16 | | | Davis d. Chris Johnstone [AUS] | 7-6 6-4 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | R32 | | | Davis d. Ricardo Acuna [CHI] | 2-6 7-6 6-1 | | | | | | | | | |
20‑Jun‑1983 | Wimbledon | Grass | R128 | | 27 | Sandy Mayer [USA] d. (Q)Davis | 6-2 6-4 6-2 | | | | | | | | | |
28‑Feb‑1983 | Monterrey | Carpet | R32 | | | Charles Buzz Strode [USA] d. Davis | 7-6 7-6 | | | | | | | | | |
21‑Feb‑1983 | La Quinta | Hard | R32 | | 41 | (10)Raul Ramirez [MEX] d. Davis | 6-3 2-6 7-6 | | | | | | | | | |
21‑Feb‑1983 | La Quinta | Hard | R64 | | | Davis d. Phil Dent [AUS] | 6-2 7-5 | | | | | | | | | |
31‑Jan‑1983 | Philadelphia | Carpet | R32 | | 2 | (2)Ivan Lendl [USA] d. (Q)Davis | 6-4 6-4 | | | | | | | | | |
31‑Jan‑1983 | Philadelphia | Carpet | R64 | | | (Q)Davis d. (Q)Steve Meister [USA] | 7-5 6-1 | | | | | | | | | |