Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Karuizawa, Singles W-ITF-JPN-12A | 2019/05/23 03:05 | Broady, Naomi v Miyamoto, Ayumi | 6-4,6-4 |
| Karuizawa, Singles W-ITF-JPN-12A | 2019/05/21 05:55 | Miyamoto, Ayumi v Saito, Yui | 6-2,7-5 |
| Kurume, Singles W-ITF-JPN-11A | 2019/05/15 01:00 | Rebecca Marino v Miyamoto, Ayumi | 7-5,6-2 |
| Kurume, Singles W-ITF-JPN-11A | 2019/05/13 03:00 | Himeno Sakatsume v Miyamoto, Ayumi | 3-6,4-6 |
| Kurume, Singles W-ITF-JPN-11A | 2019/05/13 00:30 | Inoue, Akari v Miyamoto, Ayumi | 1-6,1-6 |
| Fukuoka, Singles W-ITF-JPN-10A | 2019/05/06 04:25 | Emina Bektas v Miyamoto, Ayumi | 6-1,6-3 |
| Fukuoka, Singles W-ITF-JPN-10A | 2019/05/06 01:00 | Hondo, Sakura v Miyamoto, Ayumi | 6-3,0-6,7-10 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/08 01:00 | Eri Shimizu v Miyamoto, Ayumi | 6-4,6-4 |
| Monzon, Singles Qualifying W-ITF-ESP-07A | 2019/05/07 08:00 | Zoe Kruger v Lee, Sarah | 5-7,6-3,10-8 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/05/02 13:40 | Lutzeier, Lena v Lee, Sarah | 6-0,6-2 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/05/01 12:05 | Kruijer, Nina v Lee, Sarah | 4-6,5-7 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/24 12:35 | Lee, Sarah v Nefisa Berberovic | 5-7,6-7 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/11 11:05 | Lee, Sarah v Temin, Marie | 2-6,1-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/10 08:30 | Mujan, Gabriella v Lee, Sarah | 2-6,5-7 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/07 08:00 | Scala, Camilla v Lee, Sarah | 6-2,6-1 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/06 09:00 | Talbi, Shalimar v Lee, Sarah | 3-6,6-3,4-6 |