| ITF M25 Traralgon | 02/21 00:35 | 25 | Sam Ryan Ziegann v Brandon Walkin | 7-6,6-2 | |
| Challenger Burnie Qual | 02/03 23:00 | 45 | Corey Gaal v Brandon Walkin | 7-6,6-0 | |
| Challenger Burnie | 01/28 23:00 | 19 | Brandon Walkin v Shintaro Imai | 3-6,4-6 | |
| Challenger Burnie | 01/27 23:00 | 45 | Brandon Walkin v Tomislav E Papac | 6-4,6-0 | |
| Challenger Canberra | 12/31 00:30 | 45 | [301] Brandon Walkin v Nerman Fatic [217] | 2-6,4-6 | |
| ITF M25 Cairns | 10/04 04:40 | 25 | Brandon Walkin v Matt Hulme | Retired | |
| ITF M25 Darwin | 09/20 08:00 | 25 | Kody Pearson v Brandon Walkin | 7-6,6-1 | |
| ITF M25 Darwin | 09/15 05:30 | 27 | Brandon Walkin v Blake Mott | 1-6,7-6,6-7 | |
| ITF M25 Darwin | 09/14 05:25 | 26 | Brandon Walkin v Issei Okamura | 6-7,6-2,6-3 | |
| ITF M25 Darwin | 09/13 08:10 | 25 | Brandon Walkin v Geni Inoue | 6-4,6-3 | |
| ITF M15 Caloundra | 08/03 02:27 | 26 | [216] Brandon Walkin v Luke Saville [339] | Retired | |
| ITF M15 Caloundra | 08/01 03:45 | 25 | Charlie Camus v Brandon Walkin | 5-7,2-6 | |
| ITF M15 Caloundra | 07/27 01:40 | 26 | [346] Edward Winter v Brandon Walkin [214] | 4-6,6-2,7-6 | |
| ITF M15 Caloundra | 07/25 23:50 | 25 | Naoki Tajima v Brandon Walkin | 6-7,6-3,4-6 | |
| Challenger Iasi | 07/09 10:20 | 14 | [370] Kalin Ivanovski v Brandon Walkin [211] | 6-2,6-2 | |
| ITF M25 Brasov | 07/04 08:30 | 25 | Brandon Walkin v Luca Preda | Cancelled | |
| ITF M15 Wroclaw | 06/29 10:45 | 26 | [208] Brandon Walkin v Tyler Zink [432] | Retired | |
| ITF M15 Wroclaw | 06/28 12:50 | 25 | Filip Kosinski v Brandon Walkin | 2-6,0-6 | |
| ITF M25 Poprad | 06/20 09:40 | 25 | [204] Brandon Walkin v Vladyslav Orlov [414] | 3-6,4-6 | |
| ITF M15 Sarajevo | 06/08 07:00 | 26 | Brandon Walkin v Dusan Obradovic | 6-3,6-7,4-6 | |
| ITF M15 Sarajevo | 06/07 07:00 | 25 | Bozo Barun v Brandon Walkin | 4-6,2-6 | |
| ITF M25 Kiseljak | 05/31 10:55 | 25 | Brandon Walkin v Kirill Kivattsev | 6-7,6-7 | |
| ITF M25 Kiseljak | 05/30 09:05 | 44 | Brandon Walkin v Gal Emersic Potocnik | 7-5,6-0 | |
| ITF M25 Kiseljak | 05/29 09:30 | 44 | Brandon Walkin v Lukas Rohseano | 6-2,6-1 | |
| ITF M15 Brcko | 05/24 07:30 | 25 | Brandon Walkin v Kirill Kivattsev | 6-2,4-6,4-6 | |
| ITF M15 Brcko | 05/23 07:30 | 44 | Brandon Walkin v Ivo Vercik | 6-1,6-0 | |
| ITF M15 Prijedor | 05/18 11:55 | 25 | Viacheslav Bielinskyi v Brandon Walkin | 6-3,6-2 | |
| ITF M25 Jakarta | 04/30 03:00 | 29 | [231] Brandon Walkin v Yanki Erel [463] | 3-6,0-6 | |
| ITF M25 Jakarta | 04/29 03:00 | 28 | Brandon Walkin v M Rifqi Fitriadi | 7-6,5-7,6-3 | |
| ITF M25 Jakarta | 04/28 02:30 | 27 | [231] Brandon Walkin v Makoto Ochi [441] | 7-6,6-4 |