12‑Dec‑1983 | Sydney Outdoor | Grass | SF | | 65 | Mike Bauer [USA] d. Davis | 6-2 6-3 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | QF | | | Davis d. Broderick Dyke [AUS] | 7-6 7-5 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R16 | | | Davis d. (Q)Bruce Derlin [NZL] | 5-7 6-2 7-6 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R32 | | 53 | Davis d. (12)Eric Korita [USA] | 4-6 6-3 6-1 | | | | | | | | | |
12‑Dec‑1983 | Sydney Outdoor | Grass | R64 | | | Davis d. Tony Giammalva [USA] | 4-6 7-5 7-6 | | | | | | | | | |
29‑Nov‑1983 | Australian Open | Grass | R64 | | | Richard Meyer [USA] d. Davis | 6-3 4-6 0-6 6-4 6-3 | | | | | | | | | |
7‑Nov‑1983 | Taipei | Carpet | R32 | | 59 | (7)Mike Bauer [USA] d. Davis | 6-3 6-3 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | QF | | 50 | Brad Gilbert [USA] d. (4)Davis | 3-6 7-6 6-3 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R16 | | | (4)Davis d. Zoltan Kuharszky [HUN] | 6-4 6-2 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R32 | | | (4)Davis d. (5)Victor Amaya [USA] | 6-1 6-3 | | | | | | | | | |
17‑Oct‑1983 | Tokyo Outdoor | Hard | R64 | | 100 | Steve Meister [USA] d. Davis | 6-2 7-5 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | QF | | 51 | (3)Scott Davis [USA] d. Davis | 7-5 6-1 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | R16 | | 99 | Davis d. Nick Saviano [USA] | 6-3 6-3 | | | | | | | | | |
25‑Sep‑1983 | Maui | Hard | R32 | | 67 | Davis d. (5)Francisco Gonzalez [PAR] | 7-6 6-1 | | | | | | | | | |
19‑Sep‑1983 | San Francisco | Carpet | R16 | | 18 | Sandy Mayer [USA] d. (Q)Davis | 7-6 6-3 | | | | | | | | | |
19‑Sep‑1983 | San Francisco | Carpet | R32 | | | (Q)Davis d. Greg Holmes [USA] | 6-3 6-4 | | | | | | | | | |
30‑Aug‑1983 | US Open | Hard | R128 | | | Joakim Nystrom [SWE] d. (Q)Davis | 7-5 7-5 6-2 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | F | | | Davis d. (5)Matt Mitchell [USA] | 6-3 6-2 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | F | | | Davis d. (5)Matt Mitchell [USA] | 6-3 6-2 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | SF | | | Davis d. John Austin [USA] | 6-1 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | SF | | | Davis d. John Austin [USA] | 6-1 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | QF | | | Davis d. Vijay Amritraj [IND] | 6-3 1-6 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | QF | | | Davis d. Vijay Amritraj [IND] | 6-3 1-6 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R16 | | | Davis d. Butch Walts [USA] | 6-2 2-6 6-1 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R16 | | | Davis d. Butch Walts [USA] | 6-2 2-6 6-1 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R32 | | | Davis d. Charlie Fancutt [AUS] | 6-7 6-2 7-6 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R32 | | | Davis d. Charlie Fancutt [AUS] | 6-7 6-2 7-6 | | | | | | | | | |
4‑Jul‑1983 | Essen CH | Clay | R16 | | | Jose Lopez Maeso [ESP] d. Davis | 6-3 6-2 | | | | | | | | | |
4‑Jul‑1983 | Essen CH | Clay | R32 | | | Davis d. (14)Hans Peter Kandler [AUT] | 6-2 6-3 | | | | | | | | | |
4‑Jul‑1983 | Essen CH | Clay | R64 | | | Davis d. (Q)Emilio Sanchez [ESP] | 6-3 6-3 | | | | | | | | | |
25‑Apr‑1983 | Tampa | Carpet | R32 | | 42 | (6)Mike De Palmer [USA] d. (Q)Davis | 6-4 6-4 | | | | | | | | | |
7‑Mar‑1983 | Nancy | Hard | R32 | | | Jerome Potier [FRA] d. Davis | 6-7 6-3 6-2 | | | | | | | | | |
21‑Feb‑1983 | La Quinta | Hard | R32 | | 59 | (16)Brad Gilbert [USA] d. Davis | 6-4 6-4 | | | | | | | | | |
21‑Feb‑1983 | La Quinta | Hard | R64 | | | Davis d. Trey Waltke [USA] | 6-3 6-3 | | | | | | | | | |