Stadium: Court 2 Round: 24 Ground: Hardcourt outdoor
| ITF Women Goyang | 2017/05/24 03:45 | Khazaniuk, Deniz v Osaka, Mari | 1-6,4-6 |
| ITF W60 Playford | 2019/10/30 04:35 | Osaka, Mari v Naiktha Bains | 1-6,2-6 |
| ITF W60 Bendigo | 2019/10/23 03:20 | Maddison Inglis v Osaka, Mari | 7-5,6-4 |
| ITF W25 Hilton Head Island | 2019/10/11 14:00 | Osaka, Mari v Marina Melnikova | 1-6,6-1,3-6 |
| ITF W25 Hilton Head Island | 2019/10/10 14:00 | Osaka, Mari v Collins, Kylie | 7-5,6-3 |
| ITF W25 Hilton Head Island | 2019/10/08 17:50 | Osaka, Mari v Gatica, Barbara | 6-3,6-4 |
| ITF W60 Charleston | 2019/10/03 14:00 | Maria Mateas v Osaka, Mari | 6-1,7-6 |
| ITF W60 Charleston | 2019/10/01 18:50 | Hanyu Guo v Osaka, Mari | 4-6,1-6 |
| Saint-Malo, Singles W-ITF-FRA-15A | 2019/09/17 13:25 | Osaka, Mari v Wargnier, Lucie | 4-6,2-6 |
| ITF W25 Malibu | 2019/11/07 19:55 | Zimmermann, Kimberley v Khazaniuk, Deniz | 6-2,7-5 |
| ITF W25 Malibu | 2019/11/06 21:35 | Dentoni, Corinna v Khazaniuk, Deniz | 2-6,2-6 |
| ITF W25 Malibu | 2019/11/06 21:30 | Dentoni, Corinna v Khazaniuk, Deniz | 2-6,2-6 |
| ITF W80 Tyler | 2019/10/31 14:55 | Khazaniuk, Deniz v Shelby Rogers | 3-6,1-6 |
| ITF W25 Hilton Head Island | 2019/10/09 14:00 | Villarreal, Andrea Renee v Khazaniuk, Deniz | 0-6,7-6,7-6 |
| ITF W60 Charleston | 2019/10/02 15:55 | Renata Zarazua v Khazaniuk, Deniz | 7-6,6-4 |
| ITF W60 Templeton | 2019/09/25 20:30 | Katie Volynets v Khazaniuk, Deniz | 1-6,6-1,6-0 |
| ITF W60 Lexington | 2019/08/02 19:25 | Khazaniuk, Deniz v Robin Anderson | 3-6,4-6 |