| | |
| Auckland International Hard | Jan 8 2012 |
| 1 | Zheng - Ayumi Morita | 4-6 6-3 6-4 |
| 2 | Zheng - Monica Niculescu(8) | 6-0 6-2 |
| QF | Zheng - Lucie Hradecka | 6-2 6-3 |
| SF | Zheng - Svetlana Kuznetsova(3) | 2-6 6-3 6-3 |
| F | Zheng - Flavia Pennetta(4) | 2-6 6-3 2-0 |
| | |
| Australian Open Hard | Jan 29 2012 |
| 1 | Zheng - Madison Keys-WC | 6-2 6-1 |
| 2 | Zheng - Roberta Vinci(23) | 6-4 6-2 |
| 3 | Zheng - Marion Bartoli(9) | 6-3 6-3 |
| 4 | Sara Errani - Zheng | 6-2 6-1 |
| | |
| Fed Cup Zonal Gr I Hard | Feb 4 2012 |
| | Zheng - Su-Wei Hsieh-tpe | 6-2 6-3 |
| | |
| Pattaya City International Hard | Feb 12 2012 |
| 1 | Su-Wei Hsieh-Q - Zheng(5) | 6-3 6-2 |
| | |
| Doha Premier Hard | Feb 19 2012 |
| 1 | Maria Kirilenko - Zheng | 6-3 3-6 6-3 |
| | |
| Dubai Premier Hard | Feb 26 2012 |
| Qual 1 | Ons Jabeur - Zheng | 6-3 7-64 |
| | |
| Indian Wells Premier Hard | Mar 18 2012 |
| 1 | Zheng(31) | bye |
| 2 | Zheng(31) - Michaella Krajicek-Q | 6-1 6-3 |
| 3 | Na Li(8) - Zheng(31) | 6-1 6-3 |
| | |
| Miami Premier Hard | Apr 1 2012 |
| 1 | Zheng - Lucie Hradecka | 6-1 6-4 |
| 2 | Zheng - Angelique Kerber(18) | 7-64 6-1 |
| 3 | Dominika Cibulkova(16) - Zheng | 6-2 6-0 |
| | |
| Estoril International Clay | May 6 2012 |
| 1 | Zheng(5) - Ekaterina Makarova | 6-3 6-1 |
| 2 | Galina Voskoboeva - Zheng(5) | 6-4 6-1 |
| | |
| Madrid Premier Clay | May 13 2012 |
| 1 | Maria Kirilenko(16) - Zheng | 6-2 7-5 |
| | |
| Rome Premier Clay | May 20 2012 |
| 1 | Anabel Medina Garrigues - Zheng | 6-2 6-1 |
| | |
| Brussels Premier Clay | May 27 2012 |
| 1 | Arantxa Rus-Q - Zheng | 7-5 3-6 6-4 |
| | |
| Roland Garros Clay | Jun 10 2012 |
| 1 | Zheng(31) - Alizé Cornet | 6-4 6-4 |
| 2 | Aleksandra Wozniak - Zheng(31) | 6-2 6-4 |
| | |
| Birmingham International Grass | Jun 17 2012 |
| Qual 1 | Zheng(1) - Natalie Grandin | 3-6 6-1 6-3 |
| Qual 2 | Zheng(1) - Sandra Zaniewska(12) | 6-3 6-3 |
| 1 | Zheng-Q - Alla Kudryavtseva-LL | 6-4 4-6 6-3 |
| 2 | Zheng-Q - Anne Keothavong | 6-3 6-4 |
| 3 | Zheng-Q - Andrea Hlavackova | 6-4 6-1 |
| QF | Zheng-Q - Roberta Vinci(4) | 6-3 5-7 6-4 |
| SF | Jelena Jankovic(5) - Zheng-Q | 6-72 7-5 6-1 |
| | |
| Eastbourne Premier Grass | Jun 24 2012 |
| 1 | Klara Zakopalova - Zheng | 6-3 4-6 6-3 |
| | |
| Wimbledon Grass | Jul 8 2012 |
| 1 | Zheng(25) - Stephanie Dubois | 4-6 6-4 6-3 |
| 2 | Zheng(25) - Aleksandra Wozniak | 6-4 6-2 |
| 3 | Serena Williams(6) - Zheng(25) | 6-75 6-2 9-7 |
| | |
| Olympic Games Grass | Aug 5 2012 |
| 1 | Nadia Petrova(16) - Zheng | 6-4 7-67 |
| | |
| Cincinnati Premier Hard | Aug 19 2012 |
| 1 | Daniela Hantuchova - Zheng | 2-6 7-61 6-3 |
| | |
| New Haven Premier Hard | Aug 26 2012 |
| 1 | Zheng - Tsvetana Pironkova | 7-5 6-2 |
| 2 | Lucie Safarova(8) - Zheng | 6-4 6-0 |
| | |
| US Open Hard | Sep 9 2012 |
| 1 | Zheng(28) - Virginie Razzano | 4-6 6-2 |
| 2 | Zheng(28) - Magdalena Rybarikova-Q | 6-3 6-1 |
| 3 | Victoria Azarenka(1) - Zheng(28) | 6-0 6-1 |
| | |
| Guangzhou International Hard | Sep 23 2012 |
| 1 | Zheng(2) - Yung-Jan Chan | 5-3 |
| 2 | Laura Robson - Zheng(2) | 6-3 6-3 |
| | |
| Pan Pacific Open Premier Hard | Sep 30 2012 |
| 1 | Zheng - Vania King | 6-3 6-4 |
| 2 | Dominika Cibulkova(12) - Zheng | 6-0 6-3 |
| | |
| Beijing Premier Hard | Oct 7 2012 |
| 1 | Lara Arruabarrena-Q - Zheng | 6-2 6-4 |
| | |
| Osaka International Hard | Oct 14 2012 |
| 1 | Zheng(2) - Maria Jose Martinez Sanchez | 4-6 7-5 6-4 |
| 2 | Pauline Parmentier - Zheng(2) | 6-3 6-4 |
| | |
| Sofia International Hard | Nov 4 2012 |
| RR | Tsvetana Pironkova - Zheng | 2-6 6-4 7-64 |
| RR | Nadia Petrova - Zheng | 6-3 6-3 |
| RR | Sofia Arvidsson - Zheng | 5-1 |