| WTA - Madrid | 04/25 11:40 | 24 | [197] Naomi Osaka v Liudmila Samsonova [17] | 2-6,6-4,5-7 | |
| WTA - Madrid | 04/24 11:15 | 23 | [197] Naomi Osaka v Greet Minnen [69] | 6-4,6-1 | |
| WTA - Rouen | 04/17 12:05 | 25 | [78] Martina Trevisan v Naomi Osaka [192] | 6-4,6-2 | |
| Billie Jean King Cup | 04/13 06:25 | 64 | Naomi Osaka v Anna Danilina | Cancelled | |
| Billie Jean King Cup | 04/12 06:25 | 64 | [193] Naomi Osaka v Yulia Putintseva [50] | 6-2,7-6 | |
| WTA - Miami | 03/24 19:30 | 25 | [27] Caroline Garcia v Naomi Osaka [229] | 7-6,7-5 | |
| WTA - Miami | 03/23 21:55 | 24 | [229] Naomi Osaka v Elina Svitolina [17] | 6-2,7-6 | |
| WTA - Miami | 03/20 23:00 | 23 | [51] Elisabetta Cocciaretto v Naomi Osaka [229] | 3-6,4-6 | |
| WTA - Indian Wells | 03/11 21:55 | 25 | [287] Naomi Osaka v Elise Mertens [28] | 5-7,4-6 | |
| WTA - Indian Wells | 03/09 23:30 | 24 | [15] Liudmila Samsonova v Naomi Osaka [287] | 5-7,3-6 | |
| WTA - Indian Wells | 03/07 23:35 | 23 | [287] Naomi Osaka v Sara Errani [100] | 6-3,6-1 | |
| WTA - Doha | 02/15 17:55 | 27 | Naomi Osaka v Karolina Pliskova | 6-7,6-7 | |
| WTA - Doha | 02/14 14:20 | 26 | Lesia Tsurenko v Naomi Osaka | Walkover | |
| WTA - Doha | 02/13 17:00 | 25 | Petra Martic v Naomi Osaka | 3-6,6-7 | |
| WTA - Doha | 02/12 15:25 | 24 | Naomi Osaka v Caroline Garcia | 7-5,6-4 | |
| WTA - Abu Dhabi | 02/06 11:15 | 25 | Naomi Osaka v Danielle Collins | 5-7,0-6 | |
| Australian Open - ženy | 01/15 10:45 | 23 | Caroline Garcia v Naomi Osaka | 6-4,7-6 | |
| WTA - Brisbane | 01/03 01:00 | 25 | Naomi Osaka v Karolina Pliskova | 6-3,6-7,4-6 | |
| WTA - Brisbane | 01/01 01:00 | 24 | Naomi Osaka v Tamara Korpatsch | 6-3,7-6 | |
| WTA - Tokio | 09/22 07:45 | 26 | Naomi Osaka v Beatriz Haddad Maia | Walkover | |
| WTA - Tokio | 09/20 10:00 | 25 | [48] Naomi Osaka v Daria Saville [55] | Retired | |
| US Open - ženy | 08/31 02:35 | 23 | [44] Naomi Osaka v Danielle Collins [19] | 6-7,3-6 | |
| UK Pro League - ženy | 08/30 08:42 | - | Naomi Osaka v Paula Badosa | View | |
| WTA - Cincinnati | 08/16 15:00 | 24 | [39] Naomi Osaka v Shuai Zhang [44] | 4-6,5-7 | |
| WTA - Toronto | 08/09 19:55 | 24 | [31] Kaia Kanepi v Naomi Osaka [39] | Retired | |
| WTA - San Jose | 08/05 02:00 | 26 | [11] Cori Gauff v Naomi Osaka [41] | 6-4,6-4 | |
| WTA - San Jose | 08/03 00:15 | 25 | [41] Naomi Osaka v Qinwen Zheng [51] | 6-4,3-6,6-1 | |
| French Open - ženy | 05/23 09:00 | 23 | [28] Amanda Anisimova v Naomi Osaka [38] | 7-5,6-4 | |
| WTA - Rím | 05/10 09:00 | 24 | Sara Sorribes Tormo v Naomi Osaka | Cancelled | |
| WTA - Madrid | 05/01 17:00 | 25 | [36] Naomi Osaka v Sara Sorribes Tormo [47] | 3-6,1-6 |
Wikipedia - Naomi Ósaková
Naomi Ósaková (jap. 大坂 なおみ – Ósaka Naomi; * 16. október 1997, Osaka, Japonsko) je japonská profesionálna tenistka, víťazka grandslamového turnaja US Open 2018 po tom, čo vo finále dvojhry žien zvíťazila nad Serenou Williamsovou. Žiadnemu tenistovi ani tenistke japonskej národnosti sa dovtedy nepodarilo získať titul z grandslamového turnaja. Ósakovej najlepšie umiestnenie v rebríčku WTA bolo 1. miesto.