Japan: Kyoto - Singles - Main |
| 1/16-finals | Soeda G. | Onozawa A. | 2:0 (6:1, 6:3) | details | 24.02.2015 |
Japan: Toyota - Singles - Main |
| Quarter-finals | Ito T. | Onozawa A. | 2:1 (7:5, 63:7, 6:4) | details | 21.11.2014 |
| 1/8-finals | Onozawa A. | Gong M. | 2:0 (6:4, 6:4) | details | 19.11.2014 |
| 1/16-finals | Onozawa A. | Watanuki Y. | 2:0 (6:4, 6:3) | details | 17.11.2014 |
Japan: Kyoto - Singles - Main |
| 1/8-finals | Onozawa A. | Moriya H. | 1:2 (6:4, 0:6, 2:6) | details | 06.03.2014 |
| 1/16-finals | Onozawa A. | Uchiyama Y. | 2:0 (6:4, 7:64) | details | 05.03.2014 |
Japan: Sapporo - Singles - Main |
| Semi-finals | Sekiguchi S. | Onozawa A. | 1:0 RET. (6:2) | details | 29.06.2013 |
| Quarter-finals | Onozawa A. | Koyama K. | 2:0 (6:3, 6:3) | details | 29.06.2013 |
| 1/8-finals | Ito Y. | Onozawa A. | 1:2 (4:6, 7:5, 3:6) | details | 28.06.2013 |
| 1/16-finals | Kawachi K. | Onozawa A. | 0:2 (0:6, 1:6) | details | 26.06.2013 |
Japan: Tokyo-Akishima - Singles - Main |
| 1/8-finals | Onozawa A. | Endo T. | 0:1 RET. (4:6) | details | 20.06.2013 |
| 1/16-finals | Onozawa A. | Imai S. | 2:0 (6:1, 7:5) | details | 19.06.2013 |
Japan: Karuizawa - Singles - Main |
| 1/16-finals | Onozawa A. | Kibi Y. | 0:2 (6:7, 6:7) | details | 11.06.2013 |
Thailand: Bangkok 3 - Singles - Main |
| Quarter-finals | Onozawa A. | Harris A. | 1:2 (6:2, 2:6, 3:6) | details | 06.06.2013 |
| 1/8-finals | Onozawa A. | Burapharitta P. | 2:1 (6:1, 4:6, 7:5) | details | 06.06.2013 |
| 1/16-finals | Onozawa A. | Rungsithmongkol N. | 2:0 (6:3, 6:1) | details | 04.06.2013 |
Thailand: Bangkok 2 - Singles - Main |
| 1/8-finals | Harris A. | Onozawa A. | 2:0 (6:3, 6:4) | details | 29.05.2013 |
| 1/16-finals | Shubert T. | Onozawa A. | 0:0 RET. (0:0) | details | 28.05.2013 |
Thailand: Bangkok - Singles - Main |
| 1/16-finals | Singh K. | Onozawa A. | 2:0 (6:3, 6:2) | details | 20.05.2013 |
Israel: Ramat Hasharon - Singles - Main |
| Semi-finals | Onozawa A. | Marsalek J. | 0:2 (2:6, 5:7) | details | 10.05.2013 |
| Quarter-finals | Bulis M. | Onozawa A. | 0:2 (1:6, 2:6) | details | 09.05.2013 |
| 1/8-finals | Smilansky I. | Onozawa A. | 0:2 (4:6, 3:6) | details | 08.05.2013 |
| 1/16-finals | Khotulev S. | Onozawa A. | 0:2 (4:6, 4:6) | details | 07.05.2013 |
Japan: Tsukuba - Singles - Main |
| 1/16-finals | Onozawa A. | Shiga M. | 1:2 (6:7, 6:3, 4:6) | details | 03.04.2013 |
Japan: Kofu - Singles - Main |
| 1/8-finals | Onozawa A. | Nam H. | 0:2 (3:6, 5:7) | details | 28.03.2013 |
| 1/16-finals | Onozawa A. | Kondo D. | 2:0 (6:4, 6:0) | details | 27.03.2013 |
Japan: Nishi-Tama - Singles - Main |
| 1/8-finals | Onozawa A. | Huang L. C. | 0:2 (4:6, 6:7) | details | 14.03.2013 |
| 1/16-finals | Onozawa A. | Katayama S. | 2:0 (6:4, 6:3) | details | 13.03.2013 |
India: Madurai - Singles - Main |
| 1/16-finals | Schonenberg T. | Onozawa A. | 2:0 (6:0, 7:6) | details | 05.03.2013 |
India: Chennai - Singles - Main |
| 1/16-finals | Shokeen V. | Onozawa A. | 2:1 (2:6, 6:3, 6:3) | details | 26.02.2013 |
Japan: Oarai - Singles - Main |
| 1/16-finals | Katayama S. | Onozawa A. | 2:0 (6:3, 6:3) | details | 16.10.2012 |
Japan: Kashiwa - Singles - Main |
| 1/16-finals | Onozawa A. | Katayama S. | 0:2 (4:6, 3:6) | details | 09.10.2012 |
Vietnam: Binh Duong 3 - Singles - Main |
| 1/8-finals | Mitsuhashi J. | Onozawa A. | 2:0 (6:3, 6:4) | details | 26.09.2012 |
| 1/16-finals | Kaza V. S. | Onozawa A. | 0:2 (1:6, 1:6) | details | 24.09.2012 |
Vietnam: Binh Duong 2 - Singles - Main |
| 1/16-finals | Onozawa A. | Li Z. | 0:2 (5:7, 2:6) | details | 18.09.2012 |
Vietnam: Binh Duong - Singles - Main |
| 1/8-finals | Rawat S. | Onozawa A. | 2:0 (6:3, 6:2) | details | 13.09.2012 |
| 1/16-finals | Liao F. Y. | Onozawa A. | 0:2 (5:7, 2:6) | details | 11.09.2012 |
China: An-Ning - Singles - Main |
| 1/16-finals | Onozawa A. | Huang L. C. | 0:2 (5:7, 65:7) | details | 18.07.2012 |
Japan: Sapporo - Singles - Main |
| Semi-finals | Onozawa A. | Uchiyama Y. | 1:2 (6:2, 1:6, 6:7) | details | 30.06.2012 |
Japan: Toyota - Doubles - Main |
| 1/8-finals | Katayama S./Onozawa A. | Kwon S./Lim Y-K. | 1:2 (6:4, 2:6, 5:10) | details | 14.11.2016 |
Japan: Kyoto - Doubles - Main |
| 1/8-finals | Moriya H./Onozawa A. | Kapas A./Przysiezny M. | 0:2 (3:6, 4:6) | details | 25.02.2015 |
Japan: Toyota - Doubles - Main |
| 1/8-finals | Lee H./Udomchoke D. | Moriya H./Onozawa A. | 2:0 (6:3, 7:63) | details | 17.11.2014 |
Japan: Kyoto - Doubles - Main |
| Quarter-finals | Matsui T./Udomchoke D. | Onozawa A./Sugita Y. | 2:0 (7:5, 6:3) | details | 06.03.2014 |
| 1/8-finals | Katayama S./Sato B. | Onozawa A./Sugita Y. | 0:2 (2:6, 0:6) | details | 05.03.2014 |
South Korea: Seoul - Doubles - Main |
| Quarter-finals | Onozawa A./Sugita Y. | Lee H./Peng H. | 0:2 (2:6, 4:6) | details | 30.10.2013 |
| 1/8-finals | Kavcic B./Santanna B. | Onozawa A./Sugita Y. | 1:2 (2:6, 6:2, 7:10) | details | 28.10.2013 |
Taiwan: Kaohsiung - Doubles - Main |
| Quarter-finals | Onozawa A./Sugita Y. | Bhambri Y./Wang Ch.-F. | 0:2 (3:6, 4:6) | details | 19.09.2013 |
| 1/8-finals | Hsieh C./Yang T. | Onozawa A./Sugita Y. | 1:2 (2:6, 6:3, 6:10) | details | 18.09.2013 |