| Swiss Open WD Qual | 2018/09/19 04:00 | Ryotaro Maruo v Sitthikom Thammasin | L | 0-2 |
| Swiss Open WD Qual | 2018/09/18 12:20 | Ryotaro Maruo v Hua Chun Liang | W | 2-0 |
| Giraldilla Int. XD | 2018/08/08 02:05 | Mithun Manjunath v Ryotaro Maruo | L | 2-1 |
| Swiss Open WD Qual | 2018/08/07 09:52 | Ryotaro Maruo v Chico Aura Dwi Wardoyo | W | 2-1 |
| Swiss Open WD Qual | 2018/08/07 05:40 | Chi Ting Chen v Ryotaro Maruo | W | 0-2 |
| Giraldilla Int. XD | 2018/07/27 06:40 | Koki Watanabe v Ryotaro Maruo | L | 2-0 |
| Giraldilla Int. XD | 2018/07/26 08:00 | Vladimir Nikulov v Ryotaro Maruo | W | 0-2 |
| Giraldilla Int. XD | 2018/07/25 07:20 | Ryotaro Maruo v Parupalli Kashyap | W | 2-0 |
| Vietnam Int. | 2019/04/09 11:30 | Jia Wei Tan v R. M. V. Gurusaidutt | W | 2-0 |
| Giraldilla Int. XD | 2018/11/21 07:30 | Sitthikom Thammasin v Jia Wei Tan | L | 2-0 |
| Swiss Open WD Qual | 2018/11/20 12:30 | Bodhit Joshi v Jia Wei Tan | W | 1-2 |
| Swiss Open WD Qual | 2018/11/20 03:33 | Jia Wei Tan v Aryamann Tandon | W | 2-0 |
| Dutch Open | 2018/10/10 11:55 | Toby Penty v Jia Wei Tan | L | 2-0 |
| Giraldilla Int. XD | 2018/07/24 07:20 | Siddharth Pratap Singh v Jia Wei Tan | L | 2-0 |
| Giraldilla Int. XD | 2018/03/23 13:00 | Yu Jen Chi v Jia Wei Tan | L | 2-0 |
| Giraldilla Int. XD | 2018/03/22 10:25 | Jia Wei Tan v Duc Phat Le | W | 2-0 |