| Indonesia Masters - GD | 10/11 16:40 | 5 | Riichi Takeshita v Rasmus Gemke | W | 2-1 | |
| Dutch Open | 10/11 07:40 | 6 | Riichi Takeshita v Kan Chao Yu | W | 2-0 | |
| Giraldilla Int. XD | 09/19 07:08 | - | Riichi Takeshita v Kenta Nishimoto | L | 0-2 | |
| Giraldilla Int. XD | 09/19 01:09 | - | Riichi Takeshita v Kim Bruun | W | 2-1 | |
| Giraldilla Int. XD | 05/06 05:20 | 1 | Riichi Takeshita v Pannawit Thongnuam | L | 0-2 | |
| Giraldilla Int. XD | 05/04 07:30 | 1 | Riichi Takeshita v Saran Jamsri | W | 2-0 | |
| Giraldilla Int. XD | 05/01 07:30 | 1 | Riichi Takeshita v Kandis Wanaroon | W | 2-0 | |
| All England Open | 03/16 12:40 | 4 | Riichi Takeshita v Anthony Sinisuka Ginting | L | 0-2 | |
| All England Open | 03/15 16:00 | 5 | Iikka Heino v Riichi Takeshita | W | 1-2 | |
| All England Open | 03/14 18:10 | 6 | Bjorn Seguin v Riichi Takeshita | W | 1-2 | |
| Indonesia Masters - GD | 12/18 21:10 | - | Sergey Sirant v Riichi Takeshita | W | 0-2 | |
| Indonesia Masters - GD | 12/17 21:13 | - | Riichi Takeshita v Raul Must | W | 2-0 | |
| Indonesia Masters - GD | 12/16 02:15 | - | Guoxing Huang v Riichi Takeshita | W | 0-2 | |
| California Int. Women | 11/23 11:40 | 5 | Rajiv Ouseph v Riichi Takeshita | L | 2-1 | |
| Indonesia Masters - GD | 11/22 07:03 | - | Riichi Takeshita v Toby Penty | W | 2-0 | |
| Indonesia Masters - GD | 11/22 04:56 | - | Riichi Takeshita v Khosit Phetpradab | W | 2-1 | |
| Indonesia Masters - GD | 11/15 03:17 | - | Riichi Takeshita v Jun Peng Zhao | L | 0-2 | |
| Thailand Open | 10/05 10:10 | 5 | Tanongsak Saensomboonsuk v Riichi Takeshita | L | 2-1 | |
| Thailand Open | 10/04 11:35 | 6 | Zulfikar Azis Hidayat v Riichi Takeshita | W | 0-2 | |
| Indonesia Masters - GD | 09/27 06:00 | - | Kazumasa Sakai v Riichi Takeshita | L | 2-1 | |
| All England Open | 09/21 03:15 | 5 | Riichi Takeshita v Jan O Jorgensen | L | 0-2 | |
| Indonesia Masters - GD | 09/20 04:38 | - | Riichi Takeshita v Pannawit Thongnuam | W | 2-0 |