| Challenger Series TT | 03/07 12:50 | - | Haruki Harada v Kirill Fadeev | L | 1-3 | |
| Challenger Series TT | 03/07 10:10 | - | Haruki Harada v Alexander Valuch | W | 3-0 | |
| Challenger Series TT | 03/07 07:30 | - | Haruki Harada v Yuma Hoshi | L | 0-3 | |
| TT Star Series | 03/03 14:15 | - | Haruki Harada v Yuma Hoshi | W | 3-0 | |
| TT Star Series | 03/02 14:15 | - | Haruki Harada v Rodrigo Hidalgo | L | 0-3 | |
| TT Star Series | 03/02 12:45 | - | Haruki Harada v Roman Rezetka | L | 0-3 | |
| TT Star Series | 03/02 09:45 | - | Haruki Harada v Anton Limonov | W | 3-1 | |
| TT Star Series | 03/02 07:35 | - | Haruki Harada v Felipe Duffoo | W | 3-2 | |
| TT Star Series | 03/01 13:45 | - | Haruki Harada v Jakub Kaucky | W | 3-2 | |
| TT Star Series | 03/01 11:15 | - | Haruki Harada v Tomas Koldas | W | 3-0 | |
| TT Star Series | 03/01 09:15 | - | Haruki Harada v Yuma Hoshi | W | 3-0 | |
| TT Star Series | 03/01 07:00 | - | Haruki Harada v Rodrigo Hidalgo | W | 3-0 | |
| Challenger Series TT | 02/27 13:50 | 50 | Haruki Harada v Mohammed Javad Sohrabi | L | 1-3 | |
| Challenger Series TT | 02/27 12:25 | 2 | Liang Qiu v Haruki Harada | L | 3-0 | |
| Challenger Series TT | 02/27 09:30 | - | Mohammed Javad Sohrabi v Haruki Harada | W | 1-3 | |
| Challenger Series TT | 02/27 08:10 | - | Liang Qiu v Haruki Harada | L | 3-0 | |
| Challenger Series TT | 02/26 18:10 | - | Samuel Amann v Haruki Harada | W | 0-3 | |
| Challenger Series TT | 02/26 16:10 | - | Sven Happek v Haruki Harada | W | 1-3 | |
| Challenger Series TT | 02/26 13:30 | - | Alexander Valuch v Haruki Harada | L | 3-0 | |
| Challenger Series TT | 02/26 12:10 | - | Dennis Klein v Haruki Harada | W | 2-3 | |
| Challenger Series TT | 02/26 07:30 | - | Akito Itagaki v Haruki Harada | W | 0-3 | |
| Challenger Series TT | 02/23 15:10 | 1 | Haruki Harada v Carlo Rossi | L | 1-3 | |
| Challenger Series TT | 02/23 13:00 | 2 | Haruki Harada v Alexander Valuch | W | 3-2 | |
| Challenger Series TT | 02/23 11:30 | - | Alexander Valuch v Haruki Harada | W | 2-3 | |
| Challenger Series TT | 02/23 07:30 | - | Miguel Nunez Tapia v Haruki Harada | W | 0-3 | |
| Challenger Series TT | 02/22 19:30 | - | Haruki Harada v Carlo Rossi | L | 2-3 | |
| Challenger Series TT | 02/22 16:10 | - | Haruki Harada v Rodrigo Hidalgo | W | 3-2 | |
| Challenger Series TT | 02/22 14:10 | - | Benjamin Fruchart v Haruki Harada | W | 1-3 | |
| Challenger Series TT | 02/22 11:30 | - | Daniel Rinderer v Haruki Harada | W | 0-3 | |
| Challenger Series TT | 02/22 08:50 | - | Akito Itagaki v Haruki Harada | W | 0-3 |