| ITF W80 Palm Harbor | 04/03 16:25 | 25 | [353] Isabelle Wallace v Laura Pigossi [154] | Retired | |
| ITF W25 Curitiba | 03/20 15:05 | 25 | [353] Isabelle Wallace v Jasmine Paolini [215] | 3-6,2-6 | |
| ITF W25 Curitiba | 03/19 15:30 | 45 | [353] Isabelle Wallace v Emiliana Arango [411] | Retired | |
| ITF W25 Curitiba | 03/18 14:55 | 45 | Isabelle Wallace v Rebeca Pereira | 6-4,6-0 | |
| ITF W25 Sao Paulo | 03/13 14:40 | 25 | [346] Isabelle Wallace v Andreea Amalia Rosca [244] | 6-7,6-7 | |
| ITF W25 Sao Paulo | 03/12 15:00 | 45 | [346] Isabelle Wallace v Martina Caregaro [398] | 6-3,6-3 | |
| ITF W25 Sao Paulo | 03/11 16:30 | 45 | Isabelle Wallace v Rebeca Pereira | 6-2,6-1 | |
| ITF W60 Launceston | 01/30 00:45 | 25 | [346] Isabelle Wallace v Kai-Chen Chang [391] | 3-6,4-6 | |
| ITF W60 Launceston | 01/28 04:35 | 45 | [251] Momoko Kobori v Isabelle Wallace [346] | 1-6,4-6 | |
| ITF W60 Launceston | 01/27 23:00 | 45 | [470] Tammi Patterson v Isabelle Wallace [374] | 2-6,2-6 | |
| ITF W60 Burnie | 01/21 05:45 | 45 | [299] Nadia Podoroska v Isabelle Wallace [374] | 6-4,6-1 | |
| ITF W60 Burnie | 01/21 03:35 | 45 | Bojana Marinkov v Isabelle Wallace | 1-6,1-6 | |
| Australian Open femminili | 01/09 23:00 | 45 | [168] Richel Hogenkamp v Isabelle Wallace [406] | 6-3,6-2 | |
| Australian Open femminili | 01/08 02:45 | 44 | [406] Isabelle Wallace v Sabine Lisicki [198] | 7-6,7-5 | |
| WTA Hobart | 01/06 00:00 | 64 | [410] Isabelle Wallace v Heather Watson [91] | 4-6,4-6 | |
| WTA Hobart | 01/05 01:55 | 45 | [57] Sabrina Santamaria v Isabelle Wallace [410] | 3-6,0-6 | |
| ITF W25 Playford | 01/03 00:50 | 26 | [225] Chloe Paquet v Isabelle Wallace [410] | 4-6,6-4,6-3 | |
| ITF W25 Playford | 01/01 05:25 | 25 | [410] Isabelle Wallace v Jasmine Paolini [192] | 6-4,7-6 | |
| Open d'Australia femminili - Wild Card | 12/10 23:00 | 26 | [322] Isabelle Wallace v Astra Sharma [231] | 6-3,1-6,4-6 | |
| ITF femminile Canberra | 11/03 03:45 | 28 | [269] Zoe Hives v Isabelle Wallace [338] | 4-6,6-3,6-4 | |
| ITF femminile Canberra | 11/02 02:00 | 27 | [353] Kaylah McPhee v Isabelle Wallace [338] | 6-7,6-4,0-6 | |
| ITF femminile Canberra | 11/01 02:10 | 26 | [338] Isabelle Wallace v Lizette Cabrera [222] | 6-1,4-6,6-2 | |
| ITF femminile Canberra | 10/31 03:40 | 25 | [338] Isabelle Wallace v Junri Namigata [243] | 7-5,6-3 | |
| ITF Femminile Bendigo | 10/24 23:00 | 26 | [330] Isabelle Wallace v Olivia Rogowska [192] | 2-6,3-6 | |
| ITF Femminile Bendigo | 10/23 23:00 | 25 | Sara Tomic v Isabelle Wallace | 4-6,3-6 | |
| ITF femminile Riba-Roja De Turia | 10/11 09:30 | 26 | Isabelle Wallace v Marie Benoit | 4-6,1-6 | |
| ITF femminile Riba-Roja De Turia | 10/09 08:00 | 25 | [347] Andrea Gamiz v Isabelle Wallace [341] | 4-6,1-6 | |
| ITF femminile Valencia | 09/26 13:20 | 26 | [201] Jasmine Paolini v Isabelle Wallace [349] | 6-3,6-0 | |
| ITF femminile Valencia | 09/24 17:30 | 25 | [349] Isabelle Wallace v Olga Saez Larra [257] | 6-3,4-6,6-4 | |
| ITF femminile Sofia | 09/05 07:00 | 25 | [292] Valeriya Strakhova v Isabelle Wallace [341] | 6-2,6-3 |