Estadio: Court 1 Round: 25 Ground: Clay
| ITF Florence - Femenino | 2018/10/16 17:55 | Quinn Gleason v Mari Osaka | 1-6,6-7 |
| ITF W25 Naples | 2019/11/22 15:00 | Renata Zarazua v Quinn Gleason | 6-0,4-6,6-2 |
| ITF W25 Naples | 2019/11/21 16:00 | Ana Sofia Sanchez v Quinn Gleason | 4-6,4-6 |
| ITF W25 Naples | 2019/11/19 17:40 | Quinn Gleason v Anna Bondar | 1-6,6-0,6-2 |
| WTA Houston | 2019/11/13 19:30 | Quinn Gleason v Irina Falconi | 7-5,5-7,2-6 |
| ITF W60 Las Vegas | 2019/11/06 19:35 | Katherine Sebov v Quinn Gleason | 6-4,6-4 |
| ITF W60 Las Vegas | 2019/11/05 17:00 | Quinn Gleason v Dalayna Hewitt | 6-3,7-5 |
| ITF W60 Las Vegas | 2019/11/04 20:05 | Quinn Gleason v Beatrice Gumulya | 6-1,6-2 |
| ITF W60 Toronto | 2019/10/30 13:55 | Quinn Gleason v Samantha Murray | 2-6,4-6 |
| WTA Houston | 2019/11/14 00:00 | Caty McNally v Mari Osaka | 6-2,6-0 |
| WTA Houston | 2019/11/10 20:00 | Mari Osaka v Deniz Khazaniuk | 6-1,7-5 |
| ITF W60 Playford | 2019/10/30 04:35 | Mari Osaka v Naiktha Bains | 1-6,2-6 |
| ITF W60 Bendigo | 2019/10/23 03:20 | Maddison Inglis v Mari Osaka | 7-5,6-4 |
| ITF W25 Hilton Head Island | 2019/10/11 14:00 | Mari Osaka v Marina Melnikova | 1-6,6-1,3-6 |
| ITF W25 Hilton Head Island | 2019/10/10 14:00 | Mari Osaka v Kylie Collins | 7-5,6-3 |
| ITF W25 Hilton Head Island | 2019/10/08 17:50 | Mari Osaka v Barbara Gatica | 6-3,6-4 |
| ITF W60 Charleston | 2019/10/03 14:00 | Maria Mateas v Mari Osaka | 6-1,7-6 |