| ITF W100 Charleston |
05/01 14:00 |
25 |
[158] Veronica Cepede Royg
v
Mari Osaka [347] |
1-6,7-5,6-3
|
|
| ITF W100 Charleston |
04/30 15:35 |
54 |
[347] Mari Osaka v
Sanaz Marand
[414] |
7-5,6-4
|
|
| ITF W100 Charleston |
04/29 14:00 |
54 |
Mari Osaka v
Joelle Kissell
|
6-1,6-2
|
|
| ITF W25 Osprey |
04/25 15:30 |
26 |
[254] Ann Li
v
Mari Osaka [322] |
6-1,6-3
|
|
| ITF W25 Osprey |
04/24 19:10 |
25 |
Alexandra Perper
v
Mari Osaka |
6-0,4-6,0-6
|
|
| ITF W25 Pelham |
04/11 23:30 |
26 |
[319] Mari Osaka v
Sesil Karatantcheva
[191] |
4-6,4-6
|
|
| ITF W25 Pelham |
04/10 16:05 |
25 |
[319] Mari Osaka v
Kayla Day
[367] |
6-3,6-4
|
|
| ITF W25 Pelham |
04/09 21:30 |
54 |
[319] Mari Osaka v
Panna Udvardy
[356] 
|
7-6,6-3
|
|
| ITF W25 Pelham |
04/08 15:00 |
54 |
Mari Osaka v
Epiphany B. Turner
|
6-0,6-0
|
|
| ITF W80 Palm Harbor |
04/04 17:45 |
26 |
[330] Mari Osaka v
Kurumi Nara
[177] |
6-7,4-6
|
|
| ITF W80 Palm Harbor |
04/02 19:25 |
25 |
[330] Mari Osaka v
Urszula Radwanska
[260] 
|
6-1,7-6
|
|
| WTA Miami |
03/21 16:25 |
23 |
[205] Whitney Osuigwe
v
Mari Osaka [338] |
6-2,6-4
|
|
| ITF W100 Midland |
01/28 20:40 |
45 |
[388] Emina Bektas
v
Mari Osaka [332] |
6-1,6-4
|
|
| WTA Newport Beach |
01/22 18:00 |
24 |
[324] Mari Osaka v
Katie Volynets
[471] 
|
0-6,0-6
|
|
| ITF Women Toronto |
10/31 15:20 |
25 |
Bianca Andreescu
v
Mari Osaka |
6-1,6-1
|
|
| ITF Women Saguenay |
10/24 14:00 |
25 |
[312] Manon Arcangioli
v
Mari Osaka [362] |
Retired
|
|
| ITF Women Florence |
10/21 17:00 |
29 |
Mari Osaka v
Bianca Andreescu
|
4-6,6-2,3-6
|
|
| ITF Women Florence |
10/20 17:55 |
28 |
Katie Volynets
v
Mari Osaka |
2-6,6-4,3-6
|
|
| ITF Women Florence |
10/19 14:00 |
27 |
[361] Mari Osaka v
Paula C Goncalves
[317] |
5-7,6-4,6-1
|
|
| ITF Women Florence |
10/18 14:00 |
26 |
[256] Ulrikke Eikeri
v
Mari Osaka [361] |
1-6,3-6
|
|
| ITF Women Florence |
10/16 17:55 |
25 |
[449] Quinn Gleason
v
Mari Osaka [361] |
1-6,6-7
|
|
| ITF Women Stockton |
10/04 22:30 |
26 |
[368] Mari Osaka v
Robin Anderson
[336] 
|
5-7,4-6
|
|
| ITF Women Stockton |
10/03 20:55 |
25 |
[368] Mari Osaka v
Maria Sanchez
[334] |
6-1,6-3
|
|
| WTA Tokyo |
09/15 01:00 |
45 |
[344] Mari Osaka v
Antonia Lottner
[156] |
3-6,6-4,3-6
|
|
| ITF Women Montreux |
09/07 13:00 |
27 |
[299] Kimberly Zimmermann
v
Mari Osaka [367] |
7-5,6-4
|
|
| ITF Women Montreux |
09/06 08:00 |
26 |
[367] Mari Osaka v
Martina Trevisan
[175] 
|
6-3,6-2
|
|
| ITF Women Montreux |
09/04 09:30 |
25 |
[367] Mari Osaka v
Monika Kilnarova
[304] |
6-2,6-1
|
|
| ITF Women Budapest |
08/25 12:40 |
54 |
[366] Mari Osaka v
Maria Marfutina
[491] |
1-6,2-6
|
|
| ITF Women Braunschweig |
08/22 09:00 |
25 |
[346] Anastasia Zarycka
v
Mari Osaka [366] |
6-4,7-5
|
|
| ITF Women Porto |
07/24 09:30 |
25 |
[376] Lisa Sabino
v
Mari Osaka [348] |
6-2,6-1
|
|