24‑Nov‑2008 | Toyota CH | Carpet | R32 | 290 | 313 | Rameez Junaid [AUS] d. Chen | 6-3 6-7(4) 6-3 | | | | | | | | | |
17‑Nov‑2008 | Yokohama CH | Hard | R32 | 281 | 128 | (1)Go Soeda [JPN] d. Chen | 6-2 6-2 | | | | | | | | | |
3‑Nov‑2008 | Astana CH | Hard | R16 | 280 | 109 | (3)Andrey Golubev [KAZ] d. Chen | 6-2 6-2 | | | | | | | | | |
3‑Nov‑2008 | Astana CH | Hard | R32 | 280 | 793 | Chen d. (WC)Syrym Abdukhalikov [KAZ] | 6-2 6-4 | | | | | | | | | |
29‑Sep‑2008 | Tokyo Q | Hard | Q2 | 278 | 245 | (6)Luka Gregorc [SLO] d. (8)Chen | 6-1 6-2 | | | | | | | | | |
29‑Sep‑2008 | Tokyo Q | Hard | Q1 | 278 | 449 | (8)Chen d. Hyun Woo Nam [KOR] | 7-6(2) 6-4 | | | | | | | | | |
22‑Sep‑2008 | Bangkok Q | Hard | Q1 | 280 | 339 | George Bastl [SUI] d. (8)Chen | 6-4 6-2 | | | | | | | | | |
8‑Sep‑2008 | Thailand F5 | Hard | F | 306 | 523 | (1)Chen d. (4)Nathan Thompson [USA] | 6-2 6-4 | | | | | | | | | |
8‑Sep‑2008 | Thailand F5 | Hard | SF | 306 | | (1)Chen d. (WC)Kittipong Wachiramanowong [THA] | 6-3 7-5 | | | | | | | | | |
8‑Sep‑2008 | Thailand F5 | Hard | QF | 306 | 758 | (1)Chen d. (7)Christoph Palmanshofer [AUT] | 6-3 7-6(4) | | | | | | | | | |
8‑Sep‑2008 | Thailand F5 | Hard | R16 | 306 | 930 | (1)Chen d. Elbert Sie [INA] | 6-5 RET | | | | | | | | | |
8‑Sep‑2008 | Thailand F5 | Hard | R32 | 306 | 1310 | (1)Chen d. (Q)Woo Ram Kim [KOR] | 1-6 6-4 6-2 | | | | | | | | | |
1‑Sep‑2008 | Thailand F4 | Hard | F | | | (1)Chen d. (3)Tasuku Iwami [JPN] | 6-1 6-0 | | | | | | | | | |
1‑Sep‑2008 | Thailand F4 | Hard | SF | | | (1)Chen d. (5)Christoph Palmanshofer [AUT] | 6-4 6-2 | | | | | | | | | |
1‑Sep‑2008 | Thailand F4 | Hard | QF | | | (1)Chen d. (6)Byung Kook Kang [KOR] | 6-1 6-1 | | | | | | | | | |
1‑Sep‑2008 | Thailand F4 | Hard | R16 | | | (1)Chen d. (WC)Prach Mahathavorn [THA] | 6-2 6-3 | | | | | | | | | |
1‑Sep‑2008 | Thailand F4 | Hard | R32 | | | (1)Chen d. (Q)Pongsiri Niroj [THA] | 6-7(1) 6-3 6-1 | | | | | | | | | |
25‑Aug‑2008 | US Open Q | Hard | Q1 | 312 | 120 | (8)Jan Hernych [CZE] d. Chen | 7-6(2) 6-3 | | | | | | | | | |
10‑Aug‑2008 | Washington Q | Hard | Q1 | 284 | 244 | Jesse Witten [USA] d. Chen | 6-3 6-1 | | | | | | | | | |
4‑Aug‑2008 | New Delhi III CH | Hard | R32 | 286 | 355 | Tomas Cakl [CZE] d. (5)Chen | 6-4 6-2 | | | | | | | | | |
28‑Jul‑2008 | Cincinnati Masters Q | Hard | Q1 | 285 | 109 | (4)Benjamin Becker [GER] d. Chen | 6-3 6-4 | | | | | | | | | |
21‑Jul‑2008 | Canada Masters Q | Hard | Q2 | 302 | 203 | (13)Alexander Kudryavtsev [RUS] d. Chen | 7-5 7-6(4) | | | | | | | | | |
21‑Jul‑2008 | Canada Masters Q | Hard | Q1 | 302 | 101 | Chen d. (6)Wayne Odesnik [USA] | W/O | | | | | | | | | |
14‑Jul‑2008 | Aptos CH | Hard | R16 | 294 | 213 | (4)Scoville Jenkins [USA] d. Chen | 4-6 6-3 6-4 | | | | | | | | | |
14‑Jul‑2008 | Aptos CH | Hard | R32 | 294 | | Chen d. (Q)Brian Brogan [USA] | 6-1 6-3 | | | | | | | | | |
7‑Jul‑2008 | Granby CH | Hard | R16 | 298 | 225 | (6)Frederic Niemeyer [CAN] d. Chen | 6-2 7-6(3) | | | | | | | | | |
7‑Jul‑2008 | Granby CH | Hard | R32 | 298 | 397 | Chen d. Toshihide Matsui [JPN] | 6-4 6-7(5) 6-3 | | | | | | | | | |
30‑Jun‑2008 | Winnetka CH | Hard | R32 | 298 | 372 | (WC)Tim Smyczek [USA] d. Chen | 4-6 6-4 6-2 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q2 | 298 | 134 | (17)Jan Hernych [CZE] d. Chen | 6-3 6-1 | | | | | | | | | |
23‑Jun‑2008 | Wimbledon Q | Grass | Q1 | 298 | 241 | Chen d. Alex Kuznetsov [USA] | 6-2 3-6 6-3 | | | | | | | | | |
26‑May‑2008 | Izmir CH | Hard | R32 | 276 | 115 | (5)Go Soeda [JPN] d. Chen | 7-5 7-5 | | | | | | | | | |
19‑May‑2008 | Fergana CH | Hard | QF | 281 | 380 | George Bastl [SUI] d. (4)Chen | 7-5 2-6 6-4 | | | | | | | | | |
19‑May‑2008 | Fergana CH | Hard | R16 | 281 | 836 | (4)Chen d. (Q)Murad Inoyatov [UZB] | 6-4 6-1 | | | | | | | | | |
19‑May‑2008 | Fergana CH | Hard | R32 | 281 | 361 | (4)Chen d. Roman Borvanov [MDA] | 6-0 6-3 | | | | | | | | | |
12‑May‑2008 | Uzbekistan F2 | Hard | R16 | 278 | 255 | (1)Marsel Ilhan [TUR] d. (Q)Chen | 6-2 6-2 | | | | | | | | | |
12‑May‑2008 | Uzbekistan F2 | Hard | R32 | 278 | 653 | (Q)Chen d. Raven Klaasen [RSA] | 7-6(5) 6-2 | | | | | | | | | |
14‑Apr‑2008 | Busan CH | Hard | R16 | 282 | 140 | (3)Rik De Voest [RSA] d. Chen | 6-0 6-1 | | | | | | | | | |
14‑Apr‑2008 | Busan CH | Hard | R32 | 282 | 289 | Chen d. Jae Sung An [KOR] | 6-4 4-6 7-6(2) | | | | | | | | | |
11‑Apr‑2008 | Davis Cup G1 PO: KAZ vs TPE | Hard | RR | 284 | 127 | Yuri Schukin [KAZ] d. Chen | 3-6 6-3 2-6 6-4 6-4 | | | | | | | | | |
11‑Apr‑2008 | Davis Cup G1 PO: KAZ vs TPE | Hard | RR | 284 | 522 | Chen d. Alexey Kedryuk [KAZ] | 7-6(8) 4-6 6-1 7-6(4) | | | | | | | | | |
31‑Mar‑2008 | Japan F3 | Hard | R32 | | 1206 | (WC)Bernard Tomic [AUS] d. (1)Chen | 6-3 4-6 6-4 | | | | | | | | | |
24‑Mar‑2008 | Japan F2 | Hard | QF | 291 | 341 | (5)Gouichi Motomura [JPN] d. (1)Chen | 7-6(4) 7-6(5) | | | | | | | | | |
24‑Mar‑2008 | Japan F2 | Hard | R16 | 291 | 669 | (1)Chen d. Jun Chao Xu [CHN] | 2-6 6-4 6-3 | | | | | | | | | |
24‑Mar‑2008 | Japan F2 | Hard | R32 | 291 | 1239 | (1)Chen d. (Q)Tzu Yang Lin [TPE] | 6-3 6-1 | | | | | | | | | |
17‑Mar‑2008 | Japan F1 | Hard | F | | | (6)Tatsuma Ito [JPN] d. (1)Chen | 6-2 6-4 | | | | | | | | | |
17‑Mar‑2008 | Japan F1 | Hard | SF | | | (1)Chen d. Hiroki Kondo [JPN] | 7-5 3-6 6-4 | | | | | | | | | |
17‑Mar‑2008 | Japan F1 | Hard | QF | | | (1)Chen d. Gd Jones [NZL] | 6-2 6-3 | | | | | | | | | |
17‑Mar‑2008 | Japan F1 | Hard | R16 | | | (1)Chen d. Tetsuya Chaen [JPN] | 6-3 6-0 | | | | | | | | | |
17‑Mar‑2008 | Japan F1 | Hard | R32 | | | (1)Chen d. (WC)Masayoshi Tomita [JPN] | 6-1 6-2 | | | | | | | | | |
3‑Mar‑2008 | Kyoto CH | Carpet | R32 | 289 | 124 | (1)Yen Hsun Lu [TPE] d. Chen | 6-2 6-1 | | | | | | | | | |
18‑Feb‑2008 | Besancon CH | Hard | R32 | 270 | 241 | Alexander Peya [AUT] d. (LL)Chen | 6-3 7-6(4) | | | | | | | | | |
8‑Feb‑2008 | Davis Cup G1 R1: TPE vs AUS | Hard | RR | 270 | 22 | Lleyton Hewitt [AUS] d. Chen | 6-4 6-0 6-3 | | | | | | | | | |
8‑Feb‑2008 | Davis Cup G1 R1: TPE vs AUS | Hard | RR | 270 | | Chen d. Paul Hanley [AUS] | 7-6(3) 6-1 | | | | | | | | | |
28‑Jan‑2008 | Guangzhou CH | Hard | QF | 287 | 89 | (1)Chris Guccione [AUS] d. Chen | 7-5 4-6 6-1 | | | | | | | | | |
28‑Jan‑2008 | Guangzhou CH | Hard | R16 | 287 | 150 | Chen d. (6)Harel Levy [ISR] | 7-6(3) 6-4 | | | | | | | | | |
28‑Jan‑2008 | Guangzhou CH | Hard | R32 | 287 | 381 | Chen d. Adam Vejmelka [CZE] | 7-5 6-1 | | | | | | | | | |
21‑Jan‑2008 | China F2 | Hard | R16 | | | (WC)Shao Xuan Zeng [CHN] d. (8)Chen | 6-3 6-4 | | | | | | | | | |
21‑Jan‑2008 | China F2 | Hard | R32 | | | (8)Chen d. (Q)Yan Bai [CHN] | 6-3 2-6 6-1 | | | | | | | | | |
14‑Jan‑2008 | Australian Open Q | Hard | Q3 | 298 | 154 | (29)Lukas Dlouhy [CZE] d. Chen | 6-2 6-1 | | | | | | | | | |
14‑Jan‑2008 | Australian Open Q | Hard | Q2 | 298 | 179 | Chen d. Alex Kuznetsov [USA] | 7-5 7-5 | | | | | | | | | |
14‑Jan‑2008 | Australian Open Q | Hard | Q1 | 298 | 192 | Chen d. Jeremy Chardy [FRA] | 3-6 6-1 11-9 | | | | | | | | | |
31‑Dec‑2007 | Adelaide Q | Hard | Q2 | 297 | 126 | (4)Wayne Odesnik [USA] d. Chen | 6-2 7-6(6) | | | | | | | | | |
31‑Dec‑2007 | Adelaide Q | Hard | Q1 | 297 | 210 | Chen d. Tobias Kamke [GER] | 6-4 7-5 | | | | | | | | | |