Ground: Hardcourt indoor
| ITF M15 Los Angeles | 2023/06/21 22:15 | Gage Brymer v Ethan Schiffman | 6-2,6-2 |
| ITF M15 San Diego | 2023/06/05 19:00 | Herbert Jody Maginley v Ethan Schiffman | 7-5,6-4 |
| ITF M15 Rancho Santa Fe | 2023/05/31 19:20 | Colin Sinclair v Ethan Schiffman | 7-6,6-2 |
| UTR Pro California | 2023/04/23 18:30 | Ethan Schiffman v Lautaro Pane | 2-6,2-6 |
| UTR Pro California | 2023/04/22 21:30 | Oleksiy Arovin v Ethan Schiffman | 3-6,1-3 |
| UTR Pro California | 2023/04/21 22:33 | Karue Sell v Ethan Schiffman | 6-0,6-2 |
| UTR Pro California | 2023/04/20 21:30 | Krish Arora v Ethan Schiffman | 6-7,7-5,5-2 |
| UTR Pro California | 2023/04/18 21:04 | Christopher Papa v Ethan Schiffman | 6-3,6-0 |