Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Lakewood | 2023/07/15 18:25 | Andre Ilagan v Derek Pham | 6-2,7-5 |
| ITF - M15 Lakewood | 2023/07/14 16:55 | Derek Pham v Keshav Chopra | 7-6,7-6 |
| ITF - M15 Lakewood | 2023/07/13 19:20 | Gage Brymer v Derek Pham | 5-7,3-6 |
| ITF - M15 Lakewood | 2023/07/12 22:00 | Alexander Petrov v Derek Pham | 3-6,3-6 |
| ITF - M15 Lakewood | 2023/07/06 17:00 | Derek Pham v Andre Ilagan | 4-6,4-6 |
| ITF - M15 Lakewood | 2023/07/05 17:00 | Learner Tien v Derek Pham | 3-6,7-5,5-7 |
| ITF - M15 Irvine | 2023/06/28 21:35 | Omni Kumar v Derek Pham | 6-2,6-3 |
| ITF - M15 Los Angeles | 2023/06/22 17:50 | Derek Pham v Stefan Dostanic | 1-6,5-7 |
| ITF - M15 Caloundra | 2023/07/26 00:00 | Zachary Viiala v Thomas Fancutt | 6-7,4-6 |
| ITF - M15 Caloundra | 2023/07/24 04:00 | Tomislav E Papac v Zachary Viiala | 6-4,4-6,6-10 |
| ITF - M15 Caloundra | 2023/07/22 23:00 | Zachary Adam-Gedge v Zachary Viiala | 3-6,1-6 |
| Challenger - Traralgon | 2022/01/02 00:00 | Rubin Statham v Zachary Viiala | 6-1,6-3 |
| UTR Pro Tennis Series Canberra | 2021/12/11 23:30 | Nathan Boniel v Zachary Viiala | 6-4,6-2 |
| UTR Pro Tennis Series Canberra | 2021/12/10 22:00 | Zachary Viiala v David Qariaqus | 6-1,6-0 |
| UTR Pro Tennis Series Canberra | 2021/12/10 00:45 | Zachary Viiala v Tomislav E Papac | 6-2,6-4 |
| UTR Pro Tennis Series Canberra | 2021/12/07 23:30 | Jeremy Jin v Zachary Viiala | 6-4,4-6,6-1 |