| ITF - W60 Rome, GA | 10/02 14:00 | 54 | Louise Kwong v Kariann Pierre-Louis | 3-6,7-6,6-2 | |
| ITF - W100 Granby | 07/17 18:25 | 54 | Jaeda Daniel v Kariann Pierre-Louis | 6-0,2-6,6-2 | |
| ITF - W100 Granby | 07/16 23:30 | 54 | Raphaelle Leroux v Kariann Pierre-Louis | 0-6,6-1,4-6 | |
| ITF W60 Saskatoon | 07/10 16:00 | 54 | Kariann Pierre-Louis v Alexia Jacobs | 3-6,1-6 | |
| ITF - W60 Sumter | 06/12 15:30 | 54 | Kariann Pierre-Louis v Susana L Alcaraz | 6-3,6-7,3-6 | |
| ITF - W60 Naples | 05/09 15:35 | 54 | Yulia Starodubtsewa v Kariann Pierre-Louis | Retired | |
| ITF - W60 Naples | 05/08 17:35 | 54 | Brittany Collens v Kariann Pierre-Louis | 2-6,4-6 | |
| ITF - W60 Rome, GA | 01/31 16:25 | 54 | Ganna Poznikhirenko v Kariann Pierre-Louis | 5-7,6-2,6-3 | |
| ITF - W60 Rome, GA | 01/30 19:05 | 54 | Kariann Pierre-Louis v Maria Kozyreva | 6-3,1-6,6-2 | |
| ITF - W60 Vero Beach | 01/19 19:05 | 26 | Vera Lapko v Kariann Pierre-Louis | 4-6,6-3,6-2 | |
| ITF - W60 Vero Beach | 01/18 20:40 | 25 | Kariann Pierre-Louis v Louisa Chirico | 3-6,6-3,6-2 | |
| ITF - W60 Vero Beach | 01/17 15:50 | 54 | Dia Evtimova v Kariann Pierre-Louis | 1-6,5-7 | |
| ITF - W60 Vero Beach | 01/16 16:00 | 54 | Kariann Pierre-Louis v Zoe Hitt | 6-2,6-1 | |
| ITF - W15 Cancun | 09/20 15:00 | 25 | Kariann Pierre-Louis v Lauren Proctor | 3-6,6-4,4-6 | |
| ITF - W15 Cancun | 09/14 16:15 | 25 | Thaisa Grana Pedretti v Kariann Pierre-Louis | 6-1,6-0 | |
| ITF - W15 Cancun | 09/14 15:30 | - | Thaisa Pereira v Kariann Pierre-Louis | View | |
| ITF - W15 Cancun | 09/13 14:00 | 44 | Kariann Pierre-Louis v Kassandra Davesne | Retired | |
| ITF - W15 Cancun | 09/12 15:00 | 44 | Kariann Pierre-Louis v Alejandra Galindo Rincon | 6-0,6-1 | |
| ITF - W15 Cancun | 08/19 17:30 | 27 | Kariann Pierre-Louis v Salma Ewing | 1-6,0-6 | |
| ITF - W15 Cancun | 08/18 16:35 | 26 | Lulu Sun v Kariann Pierre-Louis | Walkover | |
| ITF - W15 Cancun | 08/17 16:30 | 25 | Maria C T Murcia v Kariann Pierre-Louis | 6-3,4-6,0-6 | |
| ITF - W15 Cancun | 08/15 19:00 | 44 | Kariann Pierre-Louis v Anlin Xie | 3-6,6-1,10-8 | |
| ITF - W15 Cancun | 08/15 14:00 | 44 | Kariann Pierre-Louis v Jennifer Rosa Dourado | 6-2,6-1 | |
| ITF - W15 Cancun | 08/10 15:25 | 25 | Kelly Keller v Kariann Pierre-Louis | 7-6,7-6 | |
| ITF - W100 Charleston | 06/27 14:50 | 54 | Maria Mateas v Kariann Pierre-Louis | 6-1,6-2 | |
| ITF - W15 Cancun | 06/04 16:00 | 25 | Kariann Pierre-Louis v Lya Fernandez | View | |
| ITF - W15 Cancun | 06/01 20:30 | 25 | Kariann Pierre-Louis v Lya Fernandez | Cancelled | |
| ITF - W15 Cancun | 05/24 18:45 | 25 | Stacey Fung v Kariann P-Louis | 6-3,6-1 | |
| ITF - W15 Cancun | 05/18 15:25 | 25 | Kariann Pierre-Louis v Chia Yi Tsao | 2-6,2-6 | |
| ITF - W15 Cancun | 05/17 15:00 | 44 | Kariann Pierre-Louis v Liz Pinson | 6-1,6-1 |