| WTA Tokyo | 09/13 02:00 | 25 | [108] Kurumi Nara v Naomi Osaka [46] | 6-3,6-0 | |
| US Open Women | 09/02 15:00 | 25 | [37] Lucie Safarova v Kurumi Nara [116] | 6-3,6-2 | |
| US Open Women | 08/31 23:20 | 24 | [116] Kurumi Nara v Svetlana Kuznetsova [8] | 6-3,3-6,6-3 | |
| US Open Women | 08/30 21:30 | 23 | [116] Kurumi Nara v Sara Sorribes Tormo [86] | 6-1,6-2 | |
| WTA New Haven Qual | 08/20 17:15 | 46 | [84] Magda Linette v Kurumi Nara [104] | 6-2,6-2 | |
| WTA New Haven Qual | 08/19 20:15 | 45 | [104] Kurumi Nara v Aliaksandra Sasnovich [96] | 7-6,6-4 | |
| WTA New Haven Qual | 08/19 15:30 | 44 | [372] Julia Elbaba v Kurumi Nara [104] | 2-6,2-6 | |
| WTA Cincinnati Qual | 08/12 19:05 | 44 | [51] Donna Vekic v Kurumi Nara [105] | 6-4,4-6,6-3 | |
| WTA Toronto Qual | 08/05 14:00 | 44 | [33] Magdalena Rybarikova v Kurumi Nara [98] | 6-2,5-7,7-6 | |
| WTA Washington | 08/01 00:55 | 25 | [102] Andrea Petkovic v Kurumi Nara [98] | 6-4,7-6 | |
| WTA Nanchang | 07/24 10:40 | 25 | [101] Kurumi Nara v Shuai Peng [32] | 5-7,6-4,3-6 | |
| Wimbledon Women | 07/03 15:50 | 23 | [142] Francoise Abanda v Kurumi Nara [94] | 6-2,6-4 | |
| ITF Women Southsea | 06/29 12:30 | 27 | [83] Evgeniya Rodina v Kurumi Nara [92] | 6-4,6-4 | |
| ITF Women Southsea | 06/28 10:50 | 26 | [92] Kurumi Nara v Magda Linette [76] | 4-6,7-5,6-2 | |
| ITF Women Ilkley | 06/20 11:20 | 25 | [119] Maryna Zanevska v Kurumi Nara [89] | 6-2,6-2 | |
| WTA Nottingham | 06/14 12:45 | 26 | [126] Tsvetana Pironkova v Kurumi Nara [91] | 6-3,6-2 | |
| WTA Nottingham | 06/13 13:35 | 25 | [91] Kurumi Nara v Lauren Davis [28] | 6-3,6-3 | |
| French Open Women | 05/31 09:00 | 24 | [11] Venus Williams v Kurumi Nara [90] | 6-3,6-1 | |
| French Open Women | 05/28 13:55 | 23 | [262] Amanda Anisimova v Kurumi Nara [90] | 6-3,5-7,4-6 | |
| ITF Women Trnava | 05/19 11:00 | 27 | [104] Veronica Cepede Royg v Kurumi Nara [92] | 7-5,6-4 | |
| ITF Women Trnava | 05/18 13:10 | 26 | Alexa Glatch v Kurumi Nara | 3-6,2-6 | |
| ITF Women Trnava | 05/17 09:00 | 25 | Vivien Juhaszova v Kurumi Nara | 1-6,0-6 | |
| ITF Women Trnava | 05/16 10:00 | - | [430] Vivien Juhaszova v Kurumi Nara [92] | 1-6,0-5 | |
| ITF Women Gifu | 05/06 03:35 | 28 | [97] Kurumi Nara v Lin Zhu [136] | 2-6,1-6 | |
| ITF Women Gifu | 05/05 04:25 | 27 | [97] Kurumi Nara v Shiho Akita [233] | 6-1,6-3 | |
| ITF Women Gifu | 05/04 03:20 | 26 | [95] Kurumi Nara v Kyoka Okamura [260] | 6-3,4-6,6-0 | |
| ITF Women Gifu | 05/03 03:00 | 25 | [95] Kurumi Nara v Varatchaya Wongteanchai [284] | 6-1,6-2 | |
| ITF Women Anning | 04/26 02:00 | 26 | [438] Zhaoxuan Yang v Kurumi Nara [95] | 7-5,2-6,6-4 | |
| ITF Women Anning | 04/25 05:10 | 25 | Yuxuan Zhang v Kurumi Nara | 6-3,0-6,3-6 | |
| WTA Zhengzhou | 04/20 04:00 | 26 | [98] Kurumi Nara v Su Jeong Jang [154] | Retired |