Stadium: Court 13 Round: 19 Ground: Hardcourt outdoor
| ITF M25 Pensacola | 2021/05/19 17:20 | Shintaro Mochizuki v Evan Song | 6-4,6-4 |
| Wimbledon | 2021/06/23 14:20 | Tallon Griekspoor v Shintaro Mochizuki | 6-0,6-1 |
| Wimbledon | 2021/06/22 10:00 | Hugo Gaston v Shintaro Mochizuki | 6-1,2-6,4-6 |
| ITF M25 Santo Domingo | 2021/06/09 16:20 | Shintaro Mochizuki v Juan Sebastian Gomez | 2-6,3-6 |
| ITF M25 Santo Domingo | 2021/06/03 14:30 | Nicolas Kicker v Shintaro Mochizuki | 6-3,6-1 |
| ITF M25 Santo Domingo | 2021/06/02 15:20 | Ricardo Rodriguez-Pace v Shintaro Mochizuki | 6-3,4-6,4-6 |
| ITF M25 Pensacola | 2021/05/21 16:00 | Shintaro Mochizuki v Nicolas Kicker | 3-6,1-6 |
| ITF M25 Pensacola | 2021/05/20 16:00 | Sekou Bangoura v Shintaro Mochizuki | 6-3,3-6,6-7 |
| ITF M25 Pensacola | 2021/05/19 17:20 | Shintaro Mochizuki v Evan Song | 6-4,6-4 |
| UTR Pro Tennis Series Nevada | 2021/07/04 15:00 | Nicolas Barrientos v Evan Song | 1-5 |
| UTR Pro Tennis Series Nevada | 2021/07/03 15:00 | Bradley Frye v Evan Song | 2-6,1-5 |
| UTR Pro Tennis Series Nevada | 2021/07/02 16:30 | Evan Song v Alejandro Quiles | 7-5,5-1 |
| UTR Pro Tennis Series Nevada | 2021/06/30 15:00 | Evan Song v Joshua Charlton | 6-4,5-2 |
| UTR Pro Tennis Series Nevada | 2021/06/29 16:30 | Evan Song v Mac Kiger | 6-1,5-2 |
| UTR Pro Tennis Series Nevada | 2021/06/28 17:15 | Maxwell McKennon v Evan Song | 4-6,3-5 |
| UTR Pro Tennis Series Nevada | 2021/06/27 15:00 | Mason Beiler v Evan Song | 6-7,3-5 |
| UTR Pro Tennis Series Nevada | 2021/06/26 15:00 | Nick Lagaev v Evan Song | 2-6,3-6 |