29‑Nov‑1983 | Australian Open | Grass | R128 | | | Mark Kratzmann [AUS] d. Amritraj | 7-5 6-2 6-4 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R16 | | | (Q)David Pate [USA] d. Amritraj | 6-1 6-1 | | | | | | | | | |
31‑Oct‑1983 | Hong Kong | Hard | R32 | | | Amritraj d. Tom Cain [USA] | 3-6 6-4 6-2 | | | | | | | | | |
30‑Sep‑1983 | Davis Cup EUR F: JPN vs IND | Hard | RR | | | Amritraj d. Hitoshi Shirato [JPN] | 6-2 8-6 6-3 | | | | | | | | | |
30‑Sep‑1983 | Davis Cup EUR F: JPN vs IND | Hard | RR | | | Tsuyoshi Fukui [JPN] d. Amritraj | 7-5 6-3 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | F | | 38 | (4)John Fitzgerald [AUS] d. Amritraj | 3-6 6-2 7-5 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | SF | | | Amritraj d. Matt Doyle [USA] | 4-6 6-3 6-2 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | QF | | 36 | Amritraj d. (3)Paul Mcnamee [AUS] | 7-5 6-3 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | R16 | | | Amritraj d. (Q)Danny Saltz [USA] | 6-4 6-4 | | | | | | | | | |
15‑Aug‑1983 | Stowe | Hard | R32 | | 73 | Amritraj d. (8)Vincent Van Patten [USA] | 6-2 6-1 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | QF | | | Marty Davis [USA] d. Amritraj | 6-3 1-6 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | QF | | | Marty Davis [USA] d. Amritraj | 6-3 1-6 6-3 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R16 | | | Amritraj d. Leo Palin [FIN] | 7-6 7-6 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R16 | | | Amritraj d. Leo Palin [FIN] | 7-6 7-6 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R32 | | | Amritraj d. Harold Solomon [USA] | 6-3 7-6 | | | | | | | | | |
8‑Aug‑1983 | Cleveland CH | Hard | R32 | | | Amritraj d. Harold Solomon [USA] | 6-3 7-6 | | | | | | | | | |
1‑Aug‑1983 | Columbus | Hard | R32 | | 39 | (8)Christophe Roger Vasselin [FRA] d. Amritraj | 7-6 6-1 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | R16 | | | Brad Drewett [AUS] d. Amritraj | 6-4 6-3 | | | | | | | | | |
4‑Jul‑1983 | Newport | Grass | R32 | | | Amritraj d. (Q)Derrick Rostagno [USA] | 7-6 7-6 | | | | | | | | | |
20‑Jun‑1983 | Wimbledon | Grass | R128 | | 25 | Mark Edmondson [AUS] d. (WC)Amritraj | 6-3 6-4 7-6 | | | | | | | | | |
6‑Jun‑1983 | Queen's Club | Grass | R64 | | | (Q)Todd Nelson [USA] d. Amritraj | 6-4 7-6 | | | | | | | | | |
6‑May‑1983 | Davis Cup AOC SF: IND vs THA | Grass | RR | | | Amritraj d. Sombat Uamongkol [THA] | 6-4 6-0 6-3 | | | | | | | | | |
25‑Apr‑1983 | Tampa | Carpet | R16 | | 54 | (8)John Fitzgerald [AUS] d. Amritraj | 6-1 6-2 | | | | | | | | | |
25‑Apr‑1983 | Tampa | Carpet | R32 | | 91 | Amritraj d. Francisco Gonzalez [PAR] | 6-3 7-6 | | | | | | | | | |
4‑Apr‑1983 | Houston-WCT | Clay | R32 | | 18 | (4)Bill Scanlon [USA] d. Amritraj | 3-6 6-4 6-1 | | | | | | | | | |
14‑Mar‑1983 | Rotterdam | Hard | R32 | | 34 | Hank Pfister [USA] d. Amritraj | 6-7 7-5 2-1 RET | | | | | | | | | |
7‑Mar‑1983 | Brussels | Carpet | R32 | | 32 | Hank Pfister [USA] d. Amritraj | 4-6 7-5 7-6 | | | | | | | | | |
4‑Mar‑1983 | Davis Cup AOC QF: SRI vs IND | Clay | RR | | | Amritraj d. Arjun Fernando [SRI] | 6-3 6-1 6-4 | | | | | | | | | |
21‑Feb‑1983 | Kuwait City CH | Hard | R16 | | | Stanislav Birner [CZE] d. Amritraj | 6-2 5-7 6-4 | | | | | | | | | |
21‑Feb‑1983 | Kuwait City CH | Hard | R32 | | | Amritraj d. Christophe Freyss [FRA] | 6-4 7-5 | | | | | | | | | |
14‑Feb‑1983 | Memphis | Carpet | R32 | | 17 | (12)Sandy Mayer [USA] d. Amritraj | 6-0 6-1 | | | | | | | | | |
14‑Feb‑1983 | Memphis | Carpet | R64 | | | Amritraj d. Chris Lewis Nzl [NZL] | 6-4 6-7 6-1 | | | | | | | | | |