| Challenger Series TT | 03/28 08:40 | - | Akito Itagaki v Oliver Both | L | 1-3 | |
| Challenger Series TT | 02/27 10:50 | - | Akito Itagaki v Mohammed Javad Sohrabi | L | 1-3 | |
| Challenger Series TT | 02/27 07:30 | - | Akito Itagaki v Sven Happek | L | 1-3 | |
| Challenger Series TT | 02/26 18:50 | - | Akito Itagaki v Dennis Klein | W | 3-1 | |
| Challenger Series TT | 02/26 17:30 | - | Akito Itagaki v Liang Qiu | L | 2-3 | |
| Challenger Series TT | 02/26 12:50 | - | Akito Itagaki v Samuel Amann | L | 2-3 | |
| Challenger Series TT | 02/26 10:10 | - | Akito Itagaki v Alexander Valuch | L | 0-3 | |
| Challenger Series TT | 02/26 07:30 | - | Akito Itagaki v Haruki Harada | L | 0-3 | |
| Challenger Series TT | 02/23 10:10 | - | Akito Itagaki v Daniel Rinderer | L | 1-3 | |
| Challenger Series TT | 02/22 20:50 | - | Akito Itagaki v Benjamin Fruchart | L | 0-3 | |
| Challenger Series TT | 02/22 18:10 | - | Akito Itagaki v Rodrigo Hidalgo | L | 0-3 | |
| Challenger Series TT | 02/22 15:30 | - | Alexander Valuch v Akito Itagaki | L | 3-2 | |
| Challenger Series TT | 02/22 12:50 | - | Miguel Nunez Tapia v Akito Itagaki | L | 3-1 | |
| Challenger Series TT | 02/22 10:50 | - | Akito Itagaki v Carlo Rossi | L | 1-3 | |
| 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 Horejsi | 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 |