10‑Nov‑2003 | South and Central Africa 2 | Hard | QF | 517 | 393 | (3)Raven Klaasen [RSA] d. (8)Lewis | 4-6 6-3 6-4 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 3 | Hard | QF | 517 | 481 | (4)James Auckland [GBR] d. (6)Lewis | 6-1 6-3 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 4 | Hard | QF | 517 | 484 | (4)Genius Chidzikwe [ZIM] d. (6)Lewis | 6-1 6-4 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 2 | Hard | R16 | 517 | 1154 | (8)Lewis d. Photos Kallias [CYP] | 6-3 6-2 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 3 | Hard | R16 | 517 | | (6)Lewis d. (Q)Nigel Badza [ZIM] | 3-6 6-2 6-0 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 4 | Hard | R16 | 517 | 1087 | (6)Lewis d. (Q)Punch Maleka [RSA] | 6-4 6-4 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 1 | Hard | R32 | 517 | 427 | Willem Petrus Meyer [RSA] d. (4)Lewis | 6-3 6-4 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 3 | Hard | R32 | 517 | | (6)Lewis d. (Q)Lado Chikhladze [GEO] | 7-6(4) 6-4 | | | | | | | | | |
10‑Nov‑2003 | South and Central Africa 4 | Hard | R32 | 517 | | (6)Lewis d. (WC)Keneilwe Phuthego [BOT] | 6-2 6-3 | | | | | | | | | |
22‑Sep‑2003 | Great Britain F10 | Hard | QF | 522 | 499 | (4)Gary Lugassy [FRA] d. (6)Lewis | 5-7 7-6(7) 5-3 RET | | | | | | | | | |
22‑Sep‑2003 | Great Britain F10 | Hard | R16 | 522 | 771 | (6)Lewis d. Bart Van Delft [NED] | 2-6 6-4 7-6(4) | | | | | | | | | |
22‑Sep‑2003 | Great Britain F10 | Hard | R32 | 522 | 793 | (6)Lewis d. Michael Ouvarov [GBR] | 6-4 7-6(4) | | | | | | | | | |
15‑Sep‑2003 | France F16 | Hard | R16 | 517 | 609 | Josselin Ouanna [FRA] d. Lewis | 6-0 6-7(1) 7-6(2) | | | | | | | | | |
15‑Sep‑2003 | France F16 | Hard | R32 | 517 | 427 | Lewis d. (6)Valentin Sanon [CIV] | 6-4 7-5 | | | | | | | | | |
8‑Sep‑2003 | France F15 | Hard | R32 | 518 | 526 | Bertrand Contzler [FRA] d. (4)Lewis | 6-4 7-5 | | | | | | | | | |
11‑Aug‑2003 | Great Britain F8 | Hard | QF | 555 | 793 | (Q)Giuseppe Menga [ITA] d. (8)Lewis | 6-3 4-6 2-1 RET | | | | | | | | | |
11‑Aug‑2003 | Great Britain F8 | Hard | R16 | 555 | | (8)Lewis d. (Q)Thomas Greenland [GBR] | 6-4 6-1 | | | | | | | | | |
11‑Aug‑2003 | Great Britain F8 | Hard | R32 | 555 | | (8)Lewis d. (WC)Jamie Baker [GBR] | 7-6(4) 6-3 | | | | | | | | | |
4‑Aug‑2003 | Great Britain F7 | Hard | F | 501 | 611 | (6)Lewis d. Lazar Magdincev [MKD] | 3-6 7-6(1) 6-3 | | | | | | | | | |
4‑Aug‑2003 | Great Britain F7 | Hard | SF | 501 | 362 | (6)Lewis d. (2)Benjamin Cassaigne [FRA] | 7-6(4) 2-6 7-6(7) | | | | | | | | | |
4‑Aug‑2003 | Great Britain F7 | Hard | QF | 501 | 555 | (6)Lewis d. Jonathan Marray [GBR] | 6-4 6-2 | | | | | | | | | |
4‑Aug‑2003 | Great Britain F7 | Hard | R16 | 501 | 517 | (6)Lewis d. James Auckland [GBR] | 6-4 1-6 7-5 | | | | | | | | | |
4‑Aug‑2003 | Great Britain F7 | Hard | R32 | 501 | 1123 | (6)Lewis d. Louk Sorensen [IRL] | 6-3 6-1 | | | | | | | | | |
7‑Jul‑2003 | Bristol CH | Grass | R32 | 502 | 237 | (8)David Prinosil [GER] d. (WC)Lewis | 6-3 6-2 | | | | | | | | | |
19‑May‑2003 | Italy F8 | Clay | R16 | 561 | 1112 | (LL)Riccardo Desto [ITA] d. Lewis | 6-3 6-3 | | | | | | | | | |
19‑May‑2003 | Italy F8 | Clay | R32 | 561 | 1079 | Lewis d. (LL)Jacopo Tezza [ITA] | 6-2 6-4 | | | | | | | | | |
5‑May‑2003 | Great Britain F6 | Clay | R16 | 572 | 368 | Marcus Sarstrand [SWE] d. (WC)Lewis | 0-6 6-4 7-5 | | | | | | | | | |
5‑May‑2003 | Great Britain F6 | Clay | R32 | 572 | 199 | (WC)Lewis d. (3)Markus Hipfl [AUT] | 7-5 RET | | | | | | | | | |
28‑Apr‑2003 | Great Britain F5 | Clay | R32 | 570 | 509 | Michal Navratil [CZE] d. Lewis | 6-7(2) 6-4 6-4 | | | | | | | | | |
24‑Mar‑2003 | Portugal F7 | Clay | R32 | | | (Q)Diego Junqueira [ARG] d. (LL)Lewis | 6-2 6-4 | | | | | | | | | |
20‑Jan‑2003 | Great Britain F1 | Carpet | R32 | | | Michal Kokta [CZE] d. (WC)Lewis | 6-3 6-4 | | | | | | | | | |