| Challenger Series TT | 02/22 08:50 | - | Akito Itagaki v Haruki Harada | L | 0-3 | |
| TT Star Series | 01/06 12:45 | - | Akito Itagaki v Miroslav Hořejší | L | 0-3 | |
| TT Star Series | 01/06 09:45 | - | Akito Itagaki v Romualdo Manna | L | 0-3 | |
| TT Star Series | 01/06 07:35 | - | Akito Itagaki v Daniel Rinderer | L | 0-3 | |
| TT Star Series | 01/05 13:45 | - | Akito Itagaki v Jakub Folwarski | L | 2-3 | |
| TT Star Series | 01/05 11:15 | - | Akito Itagaki v Giacomo Allegranza | W | 3-1 | |
| TT Star Series | 01/05 09:15 | - | Akito Itagaki v Boguslaw Koszyk | L | 0-3 | |
| TT Star Series | 01/05 07:00 | - | Akito Itagaki v Radim Bako | L | 0-3 | |
| TT Star Series | 01/04 11:45 | - | Akito Itagaki v Jiri Martinko | L | 0-3 | |
| TT Star Series | 01/04 10:15 | - | Akito Itagaki v Tomas Konecny | L | 0-3 | |
| TT Star Series | 01/04 08:45 | - | Akito Itagaki v Boguslaw Koszyk | L | 0-3 | |
| TT Star Series | 01/03 13:15 | - | Michal Bankosz v Akito Itagaki | L | 3-0 | |
| TT Star Series | 01/03 11:15 | - | Tomas Koldas v Akito Itagaki | L | 3-0 | |
| TT Star Series | 01/03 09:45 | - | Akito Itagaki v Daniel Rinderer | L | 1-3 | |
| TT Star Series | 01/03 08:10 | - | Akito Itagaki v Thomas Keinath | L | 2-3 | |
| Challenger Series TT | 12/19 10:50 | - | Daniel Rinderer v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 12/19 09:30 | - | Akito Itagaki v Dennis Klein | L | 0-3 | |
| Challenger Series TT | 12/18 19:30 | - | Benjamin Fruchart v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 12/18 16:50 | - | Damien Llorca v Akito Itagaki | L | 3-0 | |
| Challenger Series TT | 12/18 14:50 | - | Adrien Coton v Akito Itagaki | L | 3-2 | |
| Challenger Series TT | 12/18 10:50 | - | Damian Zech v Akito Itagaki | W | 0-3 | |
| Challenger Series TT | 12/18 08:10 | - | Liang Qiu v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 12/05 10:50 | - | Carlo Rossi v Akito Itagaki | L | 3-0 | |
| Challenger Series TT | 12/05 09:30 | - | Akito Itagaki v Rafael Turrini | L | 0-3 | |
| Challenger Series TT | 12/04 19:30 | - | Corentin Mazaud v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 12/04 16:50 | - | Damian Zech v Akito Itagaki | W | 1-3 | |
| Challenger Series TT | 12/04 14:50 | - | Daniel Rinderer v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 12/04 14:50 | - | Marius Henninger v Akito Itagaki | - | Cancelled | |
| Challenger Series TT | 12/04 10:50 | - | Dauud Cheaib v Akito Itagaki | L | 3-0 | |
| Challenger Series TT | 12/04 08:10 | - | Alexander Valuch v Akito Itagaki | L | 3-1 |