| Olympics 2020 - Team Men | 08/02 05:30 | 3 | Ishiy V / Tsuboi G v Jeoung Y / Lee S | L | 0-3 | |
| Olympics 2020 - Team Men | 08/01 05:30 | - | Ishiy V / Tsuboi G v Jevtovic M / Peto Z | L | 1-3 | |
| WTT Star Contender Doha - Doubles Hommes | 03/09 15:55 | 1 | Jeoung Y / Lee S v Ishiy V / Tsuboi G | L | 3-1 | |
| WTT Contender Doha - Doubles Hommes | 03/03 17:15 | 1 | Ishiy V / Tsuboi G v Ionescu O / Robles A | L | 2-3 | |
| German Open 2020, MD | 01/29 14:10 | - | Ishiy V / Tsuboi G v Allegro M / Lambiet F | L | 1-3 | |
| Austrian Open 2019, MD | 11/14 11:25 | 4 | Jeoung Y / Lee S v Ishiy V / Tsuboi G | L | 3-1 | |
| Swedish Open (WTP) 2019, MD | 10/03 11:40 | 5 | Ishiy V / Tsuboi G v Liang J / Lin G | L | 0-3 | |
| Swedish Open (WTP) 2019, MD | 10/02 14:30 | - | de Nodrest L / Rolland J v Ishiy V / Tsuboi G | W | 0-3 | |
| Swedish Open (WTP) 2019, MD | 10/02 14:30 | - | De Nodrest/Rolland v Ishiy V / Tsuboi G | W | 0-3 |