24‑Nov‑2003 | Chinese Taipei F1 | Hard | F | 196 | 456 | (1)Wang d. (4)Jun Kato [JPN] | 6-4 6-1 | | | | | | | | | |
24‑Nov‑2003 | Chinese Taipei F1 | Hard | SF | 196 | 843 | (1)Wang d. Vince Mellino [AUS] | 6-2 7-5 | | | | | | | | | |
24‑Nov‑2003 | Chinese Taipei F1 | Hard | QF | 196 | 1314 | (1)Wang d. (Q)Juan Ignacio Cerda [CHI] | 6-3 6-4 | | | | | | | | | |
24‑Nov‑2003 | Chinese Taipei F1 | Hard | R16 | 196 | | (1)Wang d. (WC)Wei Jen Cheng [TPE] | 6-1 6-3 | | | | | | | | | |
24‑Nov‑2003 | Chinese Taipei F1 | Hard | R32 | 196 | | (1)Wang d. (Q)Yu Chieh Hung [TPE] | 6-0 6-0 | | | | | | | | | |
13‑Oct‑2003 | Belgaum CH | Hard | R32 | 179 | 275 | Dieter Kindlmann [GER] d. (2)Wang | 6-2 2-1 RET | | | | | | | | | |
6‑Oct‑2003 | Dharwad CH | Hard | F | 211 | 183 | (1)Danai Udomchoke [THA] d. (3)Wang | 7-6(5) 6-1 | | | | | | | | | |
6‑Oct‑2003 | Dharwad CH | Hard | SF | 211 | 319 | (3)Wang d. Prakash Amritraj [IND] | 6-3 6-1 | | | | | | | | | |
6‑Oct‑2003 | Dharwad CH | Hard | QF | 211 | 290 | (3)Wang d. Takahiro Terachi [JPN] | 6-2 6-4 | | | | | | | | | |
6‑Oct‑2003 | Dharwad CH | Hard | R16 | 211 | 901 | (3)Wang d. (Q)Lauri Kiiski [FIN] | 6-2 6-0 | | | | | | | | | |
6‑Oct‑2003 | Dharwad CH | Hard | R32 | 211 | 321 | (3)Wang d. Michael Lammer [SUI] | 6-4 6-2 | | | | | | | | | |
29‑Sep‑2003 | Tumkur CH | Hard | R32 | 210 | 496 | (Q)Michal Przysiezny [POL] d. (2)Wang | 6-4 6-4 | | | | | | | | | |
19‑Sep‑2003 | Davis Cup G2 F: TPE vs HKG | Hard | RR | 211 | 1155 | Wang d. Hiu Tung Yu [HKG] | 6-0 6-4 6-1 | | | | | | | | | |
1‑Sep‑2003 | Indonesia F2 | Hard | F | 218 | 482 | (1)Wang d. (5)Ti Chen [TPE] | 7-6(4) 6-4 | | | | | | | | | |
1‑Sep‑2003 | Indonesia F2 | Hard | SF | 218 | 540 | (1)Wang d. (7)John Paul Fruttero [USA] | 7-6(8) 6-2 | | | | | | | | | |
1‑Sep‑2003 | Indonesia F2 | Hard | QF | 218 | 929 | (1)Wang d. Suwandi Suwandi [INA] | 6-1 6-1 | | | | | | | | | |
1‑Sep‑2003 | Indonesia F2 | Hard | R16 | 218 | 1382 | (1)Wang d. (Q)Minh Quan Do [VIE] | 6-3 6-2 | | | | | | | | | |
1‑Sep‑2003 | Indonesia F2 | Hard | R32 | 218 | 1021 | (1)Wang d. Seung Hoon Lee [KOR] | 6-3 6-2 | | | | | | | | | |
28‑Jul‑2003 | Denver CH | Hard | R32 | 211 | 456 | (WC)Rajeev Ram [USA] d. (3)Wang | 6-4 4-6 6-4 | | | | | | | | | |
21‑Jul‑2003 | Lexington CH | Hard | QF | 223 | 240 | (7)Frank Dancevic [CAN] d. (3)Wang | 7-5 4-6 6-4 | | | | | | | | | |
21‑Jul‑2003 | Lexington CH | Hard | R16 | 223 | 496 | (3)Wang d. Kepler Orellana [VEN] | 7-6(4) 6-1 | | | | | | | | | |
21‑Jul‑2003 | Lexington CH | Hard | R32 | 223 | 637 | (3)Wang d. (Q)Levar Harper Griffith [USA] | 6-1 6-3 | | | | | | | | | |
14‑Jul‑2003 | Aptos CH | Hard | R32 | 221 | 175 | Bjorn Phau [GER] d. Wang | 6-2 6-0 | | | | | | | | | |
7‑Jul‑2003 | Granby CH | Hard | R32 | 220 | 339 | (WC)Frank Dancevic [CAN] d. Wang | 6-4 6-4 | | | | | | | | | |
30‑Jun‑2003 | Cordoba CH | Hard | R32 | 247 | 214 | Dmitry Tursunov [RUS] d. (Q)Wang | 6-2 6-3 | | | | | | | | | |
23‑Jun‑2003 | Andorra CH | Hard | F | 247 | 128 | (3)Gregory Carraz [FRA] d. Wang | 6-2 6-3 | | | | | | | | | |
23‑Jun‑2003 | Andorra CH | Hard | SF | 247 | 131 | Wang d. (4)Ivan Miranda [PER] | 4-6 6-3 7-5 | | | | | | | | | |
23‑Jun‑2003 | Andorra CH | Hard | QF | 247 | 334 | Wang d. (Q)Guillermo Garcia Lopez [ESP] | 6-4 6-3 | | | | | | | | | |
23‑Jun‑2003 | Andorra CH | Hard | R16 | 247 | 180 | Wang d. (7)Tuomas Ketola [FIN] | 1-6 7-6(7) 6-3 | | | | | | | | | |
23‑Jun‑2003 | Andorra CH | Hard | R32 | 247 | 259 | Wang d. Mario Radic [CRO] | 6-3 6-2 | | | | | | | | | |
23‑Jun‑2003 | Wimbledon | Grass | Q1 | 247 | 140 | (16)Cecil Mamiit [PHI] d. Wang | 6-3 6-3 | | | | | | | | | |
9‑Jun‑2003 | Busan CH | Hard | QF | 260 | 350 | (6)Tasuku Iwami [JPN] d. (4)Wang | 7-6(7) 6-1 | | | | | | | | | |
9‑Jun‑2003 | Busan CH | Hard | R16 | 260 | 749 | (4)Wang d. Victor Ionita [ROU] | 6-2 6-3 | | | | | | | | | |
9‑Jun‑2003 | Busan CH | Hard | R32 | 260 | 553 | (4)Wang d. Michal Navratil [CZE] | 6-3 6-4 | | | | | | | | | |
19‑May‑2003 | Korea Rep F4 | Hard | R32 | 246 | 487 | Stian Boretti [NOR] d. (2)Wang | 6-4 6-2 | | | | | | | | | |
12‑May‑2003 | Fergana CH | Hard | SF | 218 | 183 | (3)Tuomas Ketola [FIN] d. (7)Wang | 6-2 6-1 | | | | | | | | | |
12‑May‑2003 | Fergana CH | Hard | QF | 218 | 178 | (7)Wang d. (2)Yen Hsun Lu [TPE] | 6-2 6-2 | | | | | | | | | |
12‑May‑2003 | Fergana CH | Hard | R16 | 218 | 332 | (7)Wang d. Orest Tereshchuk [UKR] | 6-3 6-2 | | | | | | | | | |
12‑May‑2003 | Fergana CH | Hard | R32 | 218 | 300 | (7)Wang d. Michail Elgin [RUS] | 6-7(3) 6-1 6-1 | | | | | | | | | |
5‑May‑2003 | Uzbekistan F4 | Hard | QF | 220 | 222 | (5)Louis Vosloo [RSA] d. (3)Wang | 6-7(7) 6-1 6-4 | | | | | | | | | |
5‑May‑2003 | Uzbekistan F4 | Hard | R16 | 220 | 1005 | (3)Wang d. (Q)Sergiy Stakhovsky [UKR] | 6-3 6-2 | | | | | | | | | |
5‑May‑2003 | Uzbekistan F4 | Hard | R32 | 220 | 318 | (3)Wang d. Stephane Bohli [SUI] | 6-4 6-3 | | | | | | | | | |
14‑Apr‑2003 | USA F9 | Hard | QF | 207 | 365 | (7)Raven Klaasen [RSA] d. (1)Wang | W/O | | | | | | | | | |
14‑Apr‑2003 | USA F9 | Hard | R16 | 207 | 589 | (1)Wang d. Willem Petrus Meyer [RSA] | 6-4 6-7(3) 7-6(4) | | | | | | | | | |
14‑Apr‑2003 | USA F9 | Hard | R32 | 207 | 764 | (1)Wang d. (WC)Lesley Joseph [USA] | 6-2 6-0 | | | | | | | | | |
7‑Apr‑2003 | Calabasas CH | Hard | R32 | 196 | 104 | (2)Lars Burgsmuller [GER] d. Wang | 6-2 3-6 6-2 | | | | | | | | | |
4‑Apr‑2003 | Davis Cup G2 R2: CHN vs TPE | Hard | RR | 198 | 331 | Ben Qiang Zhu [CHN] d. Wang | 7-6(2) 6-7(8) 6-1 6-1 | | | | | | | | | |
4‑Apr‑2003 | Davis Cup G2 R2: CHN vs TPE | Hard | RR | 198 | 609 | Wang d. Shao Xuan Zeng [CHN] | 6-3 6-4 6-2 | | | | | | | | | |
10‑Mar‑2003 | Ho Chi Minh CH | Hard | QF | 204 | 220 | Danai Udomchoke [THA] d. Wang | 6-2 6-2 | | | | | | | | | |
10‑Mar‑2003 | Ho Chi Minh CH | Hard | R16 | 204 | 136 | Wang d. (1)Werner Eschauer [AUT] | 6-3 6-2 | | | | | | | | | |
10‑Mar‑2003 | Ho Chi Minh CH | Hard | R32 | 204 | 211 | Wang d. Rodolphe Cadart [FRA] | 3-6 6-3 6-2 | | | | | | | | | |
3‑Mar‑2003 | Kyoto CH | Carpet | R16 | 204 | 267 | Michal Tabara [CZE] d. (5)Wang | 2-6 6-4 6-1 | | | | | | | | | |
3‑Mar‑2003 | Kyoto CH | Carpet | R32 | 204 | 366 | (5)Wang d. (Q)Frank Moser [GER] | 4-6 7-5 6-4 | | | | | | | | | |
24‑Feb‑2003 | Wrexham CH | Hard | R32 | 205 | 190 | (6)Yen Hsun Lu [TPE] d. Wang | 7-6(3) 7-6(5) | | | | | | | | | |
17‑Feb‑2003 | Great Britain F4 | Hard | R16 | 206 | 289 | Stefano Pescosolido [ITA] d. (2)Wang | 6-3 6-4 | | | | | | | | | |
17‑Feb‑2003 | Great Britain F4 | Hard | R32 | 206 | 586 | (2)Wang d. (WC)Alex Bogdanovic [GBR] | 6-4 7-5 | | | | | | | | | |
7‑Feb‑2003 | Davis Cup G2 R1: TPE vs KAZ | Carpet | RR | 198 | 819 | Wang d. Alexey Kedryuk [KAZ] | 6-4 6-1 6-2 | | | | | | | | | |
27‑Jan‑2003 | Dallas CH | Hard | R16 | 200 | 212 | Simon Greul [GER] d. Wang | 6-3 7-6(3) | | | | | | | | | |
27‑Jan‑2003 | Dallas CH | Hard | R32 | 200 | 229 | Wang d. (Q)Julien Benneteau [FRA] | 6-2 4-6 6-0 | | | | | | | | | |
20‑Jan‑2003 | Waikoloa CH | Hard | QF | 203 | 101 | (3)Robby Ginepri [USA] d. Wang | 6-7(6) 6-1 6-2 | | | | | | | | | |
20‑Jan‑2003 | Waikoloa CH | Hard | R16 | 203 | 219 | Wang d. Jiri Vanek [CZE] | 6-2 6-4 | | | | | | | | | |
20‑Jan‑2003 | Waikoloa CH | Hard | R32 | 203 | 274 | Wang d. (Q)Doug Bohaboy [USA] | 6-1 6-1 | | | | | | | | | |
13‑Jan‑2003 | Australian Open | Hard | Q2 | 203 | 256 | Justin Bower [RSA] d. Wang | 6-3 2-6 6-1 | | | | | | | | | |
13‑Jan‑2003 | Australian Open | Hard | Q1 | 203 | 163 | Wang d. (30)Lovro Zovko [CRO] | 6-3 6-2 | | | | | | | | | |
30‑Dec‑2002 | Sao Paulo1 CH | Hard | R32 | 205 | 178 | (8)Sergio Roitman [ARG] d. Wang | 6-4 3-6 7-5 | | | | | | | | | |