Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2023/06/20 14:30 | Mykhailo Kvantaliani v Gabrielius Guzauskas | 6-0,4-6,5-10 |
| ITF M25 Tulsa | 2023/06/19 13:00 | Yuvraj Rao v Gabrielius Guzauskas | 1-6,1-6 |
| ITF M25 Wichita | 2023/06/14 15:00 | Ethan Quinn v Gabrielius Guzauskas | 6-2,6-1 |
| ITF M25 Wichita | 2023/06/13 14:55 | Gabrielius Guzauskas v Matt Hulme | 2-6,6-4,10-6 |
| ITF M25 Champaign | 2022/07/19 16:30 | Johannus Monday v Gabrielius Guzauskas | 6-3,6-4 |
| ITF M25 Champaign | 2022/07/18 19:00 | Gabrielius Guzauskas v Chad Miller | 6-0,6-3 |
| UTR Pro Tennis Series Florida | 2022/01/08 14:00 | JanMagnus Johnson v Gabrielius Guzauskas | 6-3,7-6 |
| UTR Pro Tennis Series Florida | 2022/01/07 16:30 | Gabrielius Guzauskas v Timo Stodder | 2-6,0-6 |
| Challenger Palmas del Mar | 2023/06/13 19:30 | Rubin Statham v Nick Chappell | 6-1,6-7,7-5 |
| Challenger Palmas del Mar | 2023/06/12 15:00 | Nick Chappell v John H Lithen | 4-6,6-3,6-3 |
| Challenger Palmas del Mar | 2023/06/11 15:00 | Nick Chappell v Tristan Boyer | 7-6,6-2 |
| Challenger Tyler | 2023/06/08 19:20 | Tennys Sandgren v Nick Chappell | 6-3,6-4 |
| Challenger Tyler | 2023/06/06 18:05 | Omni Kumar v Nick Chappell | 4-6,2-6 |
| Challenger Tyler | 2023/06/05 16:30 | Rubin Statham v Nick Chappell | 5-7,5-7 |
| Challenger Tyler | 2023/06/04 17:05 | Bernard Tomic v Nick Chappell | 5-7,3-6 |
| Challenger Little Rock | 2023/05/28 17:55 | Giles Hussey v Nick Chappell | 6-4,7-6 |