Stadium: Court B Round: 25
| ITF Women Brussels | 2017/07/20 15:30 | Mareen, Axana v Pierre-Louis, Kariann | 6-0,6-4 |
| ITF Women Baton Rouge Qual | 2018/06/18 14:00 | Pierre-Louis, Kariann v Bridges, Taylor | 2-6,6-4,3-6 |
| ITF Women Baton Rouge Qual | 2018/06/17 14:00 | Pierre-Louis, Kariann v Harrison, Madison | 6-3,6-2 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/11 13:00 | Pierre-Louis, Kariann v Whittle, Sophia | 4-6,0-6 |
| Sumter, Singles Qualifying W-WITF-USA-18A | 2018/06/10 13:00 | Pierre-Louis, Kariann v Huynh, T. P. D. | 6-0,6-4 |
| ITF Women Osprey | 2018/05/24 17:10 | Allie Kiick v Pierre-Louis, Kariann | 6-1,6-0 |
| ITF Women Osprey | 2018/05/24 13:00 | Alycia Parks v Pierre-Louis, Kariann | 4-6,6-1,4-10 |
| ITF Women Osprey Qual | 2018/05/23 17:05 | Layne Sleeth v Pierre-Louis, Kariann | 4-6,3-6 |
| ITF Women Osprey Qual | 2018/05/21 14:00 | Sysoeva, Anastasia v Pierre-Louis, Kariann | 3-6,6-4,1-6 |
| ITF Women Den Haag Qual | 2018/07/01 08:00 | Mareen, Axana v Tilbuerger, Jantje | 4-6,6-2,2-6 |
| ITF Women Den Haag Qual | 2018/06/30 09:30 | Mareen, Axana v Nina Ugrelidze | 6-0,6-3 |
| ITF Women Hammamet | 2018/06/28 08:30 | Brito, Fernanda v Mareen, Axana | 6-1,6-2 |
| ITF Women Hammamet | 2018/06/27 11:35 | Mareen, Axana v Gomez, Maria | 6-1,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/17 07:30 | Mareen, Axana v Panova, Alexandra | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/21 08:00 | Guttierez Carrasco, Maria v Mareen, Axana | 3-6,6-2,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/19 08:00 | Bhunu, Valeria v Mareen, Axana | 6-7,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/18 08:00 | Shawky, Nermeen v Mareen, Axana | 1-6,0-6 |