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Jens Knippschild vs. Shao-Xuan Zeng - head to head matches
| 03.11.03 | q 1 | Jens Knippschild | Shao-Xuan Zeng | 6-4, 6-1 | match details |  Eckental | Carpet |
Jens Knippschild form & Shao-Xuan Zeng form
Jens Knippschild - last matches
 Great Britain - I. hard | ||||
| 09.02.04 1st round | vs. Ian Flanagan | 6-74, 0-3, - Jens Knippschild - retired |  | match details |
| Wolfsburg - Carpet | ||||
| 02.02.04 q 1 | vs. Jakub Herm-Zahlava | 2-6, 3-6 | | match details |
| Germany F2 - I. hard | ||||
| 12.01.04 1st round | vs. Robert Lindstedt | 6-3, 6-3 |  | match details |
| 12.01.04 2nd round | vs. Michael Lammer | 7-5, 6-3 | | match details |
| 12.01.04 1/4 | vs. Jerome Haehnel | 1-6, 4-6 | | match details |
| Eckental - Carpet | ||||
| 03.11.03 q 2 | vs. Stephane Bohli | 6-4, 6-73, 6-74 | | match details |
| 03.11.03 q 1 | vs. Shao-Xuan Zeng | 6-4, 6-1 | | match details |
| Aachen - Carpet | ||||
| 27.10.03 q 2 | vs. Alexander Peya | 6-74, 3-6 | | match details |
| 27.10.03 q 1 | vs. Daniel Forster | 6-2, 6-1 | | match details |
| Braunschweig - Clay | ||||
| 16.06.03 q 1 | vs. Andreas Beck | 6-2, 6-72, 6-74 | | match details |
| Weiden - Clay | ||||
| 09.06.03 qual. | vs. Philipp Kohlschreiber | 6-72, 6-2, 6-3 | | match details |
| 09.06.03 1st round | vs. Ignacio Hirigoyen | 6-3, 3-6, 7-69 | | match details |
| 09.06.03 q 1 | vs. Jose-Manuel Roman-Gomez | 6-0, 6-3 | | match details |
| 09.06.03 2nd round | vs. Bjorn Phau | 4-6, 3-6 | | match details |
| 09.06.03 q 2 | vs. Juan-Mariano Perello | 6-2, 7-5 | | match details |
| Munich - Clay | ||||
| 28.04.03 q 1 | vs. Renzo Furlan | 2-6, 1-6 | | match details |
| Wrexham - I. hard | ||||
| 24.02.03 1st round | vs. Alex Bogdanovic | 3-6, 6-71 | | match details |
| Wolfsburg - Carpet | ||||
| 17.02.03 q 1 | vs. Philipp Hammer | 6-75, 3-6 | | match details |
| Lubeck - Carpet | ||||
| 10.02.03 q 1 | vs. Florian Jeschonek | 7-5, 6-3 | | match details |
| 10.02.03 qual. | vs. Denis Gremelmayr | 1-6, 7-5, 4-6 | | match details |
| 10.02.03 q 2 | vs. Lars Uebel | 6-4, 6-4 | | match details |
| 10.02.03 2nd round | vs. Ivo Karlovic | 6-75, 7-66, 6-75 | | match details |
| 10.02.03 1st round | vs. Nicolas Thomann | 6-4, 6-73, 6-3 | | match details |
| Hamburg - Carpet | ||||
| 27.01.03 q 1 | vs. Kim-Oliver Gienke | 6-4, 6-2 | | match details |
| 27.01.03 2nd round | vs. Victor Hanescu | 6-75, 5-7 | | match details |
| 27.01.03 q 2 | vs. Florian Jeschonek | 7-65, 6-2 | | match details |
| 27.01.03 qual. | vs. Sebastian Schluter | 6-75, 6-3, 7-65 | | match details |
| 27.01.03 1st round | vs. Nicolas Bruns | 7-61, 6-1 | | match details |
| Heilbronn - I. hard | ||||
| 20.01.03 q 1 | vs. Michal Tabara | 6-2, 6-1 | | match details |
| 20.01.03 q 2 | vs. Michael Russell | 6-4, 6-72, 0-6 | | match details |
Shao-Xuan Zeng - last matches
 Shanghai - Hard | ||||
| 14.10.09 2nd round | vs. Jo-Wilfried Tsonga | 3-6, 3-6 | | match details |
| 11.10.09 1st round | vs. Dudi Sela | 2-6, 6-1, 6-4 | | match details |
| Beijing - Hard | ||||
| 03.10.09 q 1 | vs. Sebastien de Chaunac | 1-6, 6-73 | | match details |
| Davis Cup - I. hard | ||||
| 20.09.09 | vs. Danai Udomchoke | 2-6, 6-4, 3-6, 6-1, 6-4 | | match details |
| 18.09.09 Rubber 1 | vs. Kittiphong Wachiramanowong | 5-7, 6-1, 6-2, 6-4 | | match details |
| China F7 - Hard | ||||
| 17.08.09 1/4 | vs. Peng Gao | 6-2, 6-1 | | match details |
| 17.08.09 1/2 | vs. Amir Weintraub | 6-1, 6-3 | | match details |
| 17.08.09 fin | vs. Min-Hyoek Cho | 6-75, 3-6 | | match details |
| 17.08.09 1st round | vs. Liang-Chi Huang | 6-2, 7-5 | | match details |
| 17.08.09 2nd round | vs. Chin-Yu Huang | 6-2, 6-3 | | match details |
| China F6 - Hard | ||||
| 10.08.09 2nd round | vs. Min-Hyoek Cho | 5-7, 0-3, - Shao-Xuan Zeng - retired | | match details |
| 10.08.09 1st round | vs. Mark Verryth | 6-1, 1-0, Mark Verryth - retired | | match details |
| China F5 - Hard | ||||
| 03.08.09 fin | vs. Yuichi Ito | 6-4, 6-74, 6-2 | | match details |
| 03.08.09 2nd round | vs. Di Wu | 6-4, 6-4 | | match details |
| 03.08.09 1/4 | vs. Chu-Huan Yi | 6-2, 6-0 | | match details |
| 03.08.09 1/2 | vs. Hiroki Moriya | 6-4, 6-2 | | match details |
| 03.08.09 1st round | vs. Ya-Nan Ma | 7-65, 6-2 | | match details |
 Davis Cup - Hard | ||||
| 13.07.09 | vs. Kyu-Tae Im | 0-6, 2-6, 3-6 | | match details |
| 10.07.09 | vs. Hyung-Taik Lee | 3-6, 4-6, 2-6 | | match details |
| China F4 - Hard | ||||
| 11.05.09 1/2 | vs. Di Wu | 6-1, 7-65 | | match details |
| 11.05.09 fin | vs. Mao-Xin Gong | 6-0, 6-1 | | match details |
| 11.05.09 1st round | vs. Karunuday Singh | 6-4, 6-2 | | match details |
| 11.05.09 1/4 | vs. Kento Takeuchi | 6-2, 6-2 | | match details |
| 11.05.09 2nd round | vs. Ze Zhang | 6-1, 6-4 | | match details |
| China F3 - Hard | ||||
| 04.05.09 1st round | vs. Ze Zhang | 6-3, 3-6, 0-6 | | match details |
 New Zealand - Hard | ||||
| 16.03.09 1st round | vs. Mao-Xin Gong | 6-3, 6-4 | | match details |
| 16.03.09 1/4 | vs. Carsten Ball | 6-4, 3-6, 3-6 | | match details |
| 16.03.09 2nd round | vs. Andrew Thomas | 7-5, 6-3 | | match details |
| New Zealand - Hard | ||||
| 09.03.09 1st round | vs. Krishananth Balakrishnan | 1-6, 1-6 | | match details |
 Davis Cup - Carpet | ||||
| 06.03.09 Rubber 1 | vs. Go Soeda | 2-6, 6-74, 3-6 | | match details |