Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Woking, Singles W-ITF-GBR-08A | 2019/07/31 15:35 | Murray Sharan, S. v Heisen, Vivian | 2-6,6-7 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/19 07:10 | Iryna Shymanovich v Heisen, Vivian | 6-4,4-6,6-4 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/18 06:30 | Heisen, Vivian v Ainitdinova, Gozal | 6-2,3-6,7-5 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/16 08:30 | Heisen, Vivian v Minokoshi, Mai | 6-4,6-3 |
| ITF W60 Versmold | 2019/07/08 10:30 | Heisen, Vivian v Markova, Johana | 1-6,1-6 |
| ITF W25 Darmstadt | 2019/06/24 08:00 | Heisen, Vivian v Katerina Filip | 6-2,6-4 |
| Manchester, Singles W-ITF-GBR-06A | 2019/06/12 12:45 | Heisen, Vivian v Brengle, Madison | 5-7,3-6 |
| Manchester, Singles W-ITF-GBR-06A | 2019/06/11 10:00 | Qianhui Tang v Heisen, Vivian | 0-6,2-6 |
| Woking, Singles W-ITF-GBR-08A | 2019/07/31 15:50 | Alice Gillan v Lee, Pei-Chei | 4-6,5-7 |
| Woking, Singles W-ITF-GBR-08A | 2019/07/29 17:35 | Lee, Pei-Chei v Ekani, Irys | 6-1,5-7,10-6 |
| Woking, Singles W-ITF-GBR-08A | 2019/07/29 12:55 | Lee, Pei-Chei v Paladini Jennings, Martina | 6-0,6-3 |
| ITF W25 Porto | 2019/07/24 14:00 | Julia Terziyska v Lee, Pei-Chei | 6-1,6-0 |
| ITF W25 Porto | 2019/07/22 15:50 | Lee, Pei-Chei v Shrivalli Rashmikaa Bhamidipaty | 4-6,6-2,10-4 |
| Palmela, Singles W-ITF-POR-03A | 2019/07/18 13:15 | Lee, Pei-Chei v Lumsden, Maia | 6-3,2-6,4-6 |
| Palmela, Singles W-ITF-POR-03A | 2019/07/17 12:00 | Hourigan, Paige Mary v Lee, Pei-Chei | 3-6,3-6 |
| Daegu, Singles W-ITF-KOR-04A | 2019/06/05 01:00 | Lee, Pei-Chei v Xiaodi You | 3-6,1-6 |