Stadium: Court 9 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Jakarta | 2023/06/18 02:00 | Cihan Akay v Zachary Adam-Gedge | 6-1,6-1 |
| ITF M15 Jakarta | 2023/06/11 04:00 | Zachary Adam-Gedge v Achad Imam Maruf | 2-6,0-6 |
| ITF M25 Jakarta | 2023/06/04 02:00 | Zachary Adam-Gedge v Rishit Dakhane | 6-7,0-6 |
| ITF M25 Jakarta | 2023/05/29 04:45 | Ki Lung NG v Zachary Adam-Gedge | 6-3,6-1 |
| ITF M15 Monastir | 2023/05/21 08:30 | Linang Xiao v Zachary Adam-Gedge | 6-3,6-2 |
| ITF M15 Monastir | 2023/05/15 12:30 | Zachary Adam-Gedge v Thomas Braithwaite | 7-6,2-6,9-11 |
| ITF M15 Monastir | 2023/05/14 08:30 | Zachary Adam-Gedge v Tushar Sharma | 7-5,6-1 |
| ITF M15 Monastir | 2023/05/07 08:30 | Tiago Pereira v Zachary Adam-Gedge | 6-1,6-1 |
| 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 |
| UTR Pro Tennis Series Canberra | 2021/12/07 01:00 | Nicholas De Vivo v Zachary Viiala | 0-6,4-6 |
| UTR Pro Tennis Series Carrara | 2021/11/05 23:00 | Zachary Viiala v Patrick C Beadman | 6-1,6-1 |
| UTR Pro Tennis Series Carrara | 2021/11/04 02:00 | Zachary Viiala v Cade Birrell | 7-5,5-3 |