| Qatar Open XD | 07/27 08:30 | 4 | Oshima, Yuya v Quadri Aruna | W | 4-0 | |
| Qatar Open XD | 07/26 05:40 | 5 | Hugo Calderano v Oshima, Yuya | W | 3-4 | |
| Qatar Open XD | 07/25 04:10 | 1 | Oshima, Yuya v Jaehyun An | W | 4-3 | |
| Qatar Open 2019, MS | 07/20 09:50 | 4 | Jeong, Sangeun v Oshima, Yuya | L | 4-0 | |
| Qatar Open 2019, MS | 07/19 10:30 | 5 | Oshima, Yuya v Ueda, Jin | W | 4-3 | |
| Qatar Open XD | 07/18 10:05 | 1 | Oshima, Yuya v Andrea Landrieu | W | 4-0 | |
| Qatar Open XD | 07/17 07:00 | 1 | Oshima, Yuya v Ro, Kwang Jin | W | 4-0 | |
| République tchèque - Extraleague | 06/01 07:30 | 5 | Oshima, Yuya v Sangsu Lee | L | 1-4 | |
| Qatar Open XD | 05/30 10:00 | 1 | Oshima, Yuya v Kwan Kit Ho | W | 4-2 | |
| Qatar Open XD | 05/29 07:50 | 1 | Oshima, Yuya v Tromer, Laurens | W | 4-0 | |
| République tchèque - Extraleague | 05/24 13:00 | 5 | Yoshimura, Kazuhiro v Oshima, Yuya | L | 4-1 | |
| Qatar Open 2019, MS | 05/02 09:00 | 1 | Beh, Kun Ting v Oshima, Yuya | W | 0-3 | |
| German Open 2020, WD | 03/23 15:20 | 5 | Oshima, Yuya v Jeoung, Youngsik | L | 2-4 | |
| Qatar Open 2020, MS, Qualification | 03/08 16:00 | 5 | Sathiyan Gnanasekaran v Oshima, Yuya | L | 4-3 | |
| Qatar Open XD | 02/22 13:00 | 1 | Oshima, Yuya v Mohamed El-Beiali | W | 3-0 | |
| Qatar Open 2019, MS | 12/14 08:40 | 4 | Oshima, Yuya v Timo Boll | L | 2-4 | |
| Qatar Open XD | 11/16 11:40 | 5 | Benedikt Duda v Oshima, Yuya | L | 4-2 | |
| German Open 2020, WD | 11/10 19:20 | 5 | Oshima, Yuya v Xu, Xin | L | 2-4 | |
| Qatar Open XD | 09/21 19:00 | 5 | Steger, Bastian v Oshima, Yuya | L | 4-1 | |
| Qatar Open XD | 07/06 06:45 | 3 | Oshima, Yuya v Paul Drinkhall | L | 2-4 | |
| Qatar Open XD | 07/05 10:00 | 4 | Marcos Freitas v Oshima, Yuya | W | 0-4 | |
| Qatar Open XD | 07/04 10:00 | 5 | Amalraj Anthony v Oshima, Yuya | W | 3-4 | |
| Qatar Open XD | 06/24 03:30 | 3 | Oshima, Yuya v Dimitrij Ovtcharov | L | 3-4 | |
| Qatar Open XD | 06/23 11:40 | 4 | Long Ma v Oshima, Yuya | - | Walkover | |
| Qatar Open XD | 06/22 07:10 | 5 | Siu Hang Lam v Oshima, Yuya | W | 2-4 | |
| Qatar Open XD | 06/16 08:10 | 5 | Oshima, Yuya v Emmanuel Lebesson | L | 1-4 | |
| Qatar Open XD | 04/20 11:15 | 5 | Patrick Franziska v Oshima, Yuya | L | 4-1 | |
| Qatar Open 2020, MS, Qualification | 02/23 16:20 | 5 | Oshima, Yuya v Zhendong Fan | L | 0-4 | |
| Qatar Open XD | 02/22 14:51 | - | Oshima, Yuya v Tokic, Bojan | W | 4-1 | |
| Qatar Open 2019, MS | 02/18 06:15 | 3 | Dimitrij Ovtcharov v Oshima, Yuya | L | 4-3 |