Stadium: Court 1 Round: 19 Ground: Hardcourt outdoor
| Charleston, SC, USA | 2022/09/25 14:00 | August Holmgren v Naoki Nakagawa | 4-6,7-6,6-2 |
| Challenger Columbus | 2022/09/21 17:30 | Aleksandar Vukic v Naoki Nakagawa | 7-5,3-6,7-6 |
| Challenger Columbus | 2022/09/20 14:00 | Ezekiel Clark v Naoki Nakagawa | 5-7,2-6 |
| Challenger Columbus | 2022/09/19 17:00 | Naoki Nakagawa v Smith, Roy | 3-6,6-3,6-4 |
| Challenger Cary | 2022/09/12 16:00 | Naoki Nakagawa v Young, Donald | 5-7,2-6 |
| Challenger Cary | 2022/09/11 15:00 | Naoki Nakagawa v Zink, Tyler | 6-4,6-3 |
| Challenger Nonthaburi | 2022/09/05 03:50 | Yuta Shimizu v Naoki Nakagawa | 7-6,6-3 |
| Nonthaburi 3, Thailand, Qualifying | 2022/09/04 07:30 | Shinji Hazawa v Naoki Nakagawa | 4-6,4-6 |
| Challenger - Gwangju | 2022/10/02 01:00 | Galloway, Robert v Kim, Cheong-Eui | 6-3,6-2 |
| Washington, USA | 2022/07/30 15:05 | Galloway, Robert v Gojo, Borna | 3-6,4-6 |
| Challenger - Savannah | 2022/04/24 15:55 | Harris, Andrew v Galloway, Robert | 6-3,6-3 |
| Challenger Knoxville | 2021/11/07 15:00 | Galloway, Robert v Mukund Sasikumar | 2-6,4-6 |
| Challenger Charlottesville | 2021/10/31 16:00 | Galloway, Robert v Aidan Mchugh | 6-1,3-6,1-6 |
| Alicante, Spain | 2021/10/11 09:00 | Galloway, Robert v Georgii Kravchenko | 6-4,1-6,2-6 |
| Alicante, Spain | 2021/10/10 10:25 | Nedelko, Ivan v Galloway, Robert | 6-2,2-6,6-7 |
| Challenger Porto | 2021/06/28 13:00 | Yosuke Watanuki v Galloway, Robert | 6-1,6-1 |