Stadium: Court 3 Round: 54 Ground: Clay
| Challenger Champaign | 2023/11/15 00:00 | Hunter Heck v Kenta Miyoshi | 3-6,4-6 |
| Challenger Champaign | 2023/11/13 20:00 | Oliver Okonkwo v Hunter Heck | 6-7,2-6 |
| Challenger Champaign | 2023/11/13 00:20 | Hunter Heck v Ezekiel Clark | 7-5,6-0 |
| ITF M15 Champaign | 2023/09/15 17:40 | William Grant v Hunter Heck | 7-6,6-1 |
| ITF M15 Champaign | 2023/09/14 15:00 | Hunter Heck v Axel Nefve | 6-2,6-4 |
| ITF M15 Champaign | 2023/09/12 20:30 | Hunter Heck v Andrew Fenty | 7-5,7-6 |
| ITF M25 Decatur | 2023/08/05 17:50 | Cash Hanzlik v Hunter Heck | 6-2,6-1 |
| ITF M25 Decatur | 2023/08/04 14:00 | Hunter Heck v Ezekiel Clark | 6-1,6-0 |
| ITF M25 Decatur | 2023/07/31 14:00 | Zapp, Logan v Phung, Timothy | 6-3,4-6,10-4 |
| ITF M25 Edwardsville | 2023/07/24 17:00 | Alexander Petrov v Phung, Timothy | 6-4,6-4 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/28 05:00 | S D Prajwal Dev v Phung, Timothy | 6-2,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/27 03:15 | Phung, Timothy v Justin Kuo | 6-4,6-4 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/26 07:10 | Lorenzo Lorusso v Phung, Timothy | 3-6,6-4,9-11 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/25 05:00 | Cade Birrell v Phung, Timothy | 2-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/18 08:00 | Phung, Timothy v Dzhavakian, Yurii | 1-6,1-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/14 02:00 | Phung, Timothy v Yuichiro Inui | 6-4,3-6,1-6 |