| ITF W25 Pelham | 04/10 20:25 | 25 | Kurumi Nara v Nikita Uberoi | 6-2,6-0 | |
| ITF W80 Palm Harbor | 04/05 19:15 | 27 | [427] Panna Udvardy v Kurumi Nara [177] | 6-2,6-3 | |
| 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 20:40 | 25 | [317] Usue Maitane Arconada v Kurumi Nara [177] | 4-6,6-4,2-6 | |
| ITF W25 Osaka | 02/27 02:30 | 25 | Mai Hontama v Kurumi Nara | Cancelled | |
| ITF W60 Kyoto | 02/22 02:00 | 27 | [241] Ylena In-Albon v Kurumi Nara [156] | 6-4,7-6 | |
| ITF W60 Kyoto | 02/21 04:40 | 26 | [378] Mai Hontama v Kurumi Nara [156] | 6-3,6-7,3-6 | |
| ITF W60 Kyoto | 02/20 04:10 | 25 | Su Jeong Jang v Kurumi Nara | 6-4,4-6,4-6 | |
| 2019 Fed Cup | 02/10 03:00 | 27 | [156] Kurumi Nara v Silvia Soler-Espinosa [190] | 7-6,6-4 | |
| WTA Hua Hin | 01/27 05:00 | 64 | [125] Jennifer Brady v Kurumi Nara [170] | 6-1,6-2 | |
| WTA Hua Hin | 01/26 05:00 | 45 | [208] Fang Ying Xun v Kurumi Nara [170] | 4-6,0-6 | |
| ITF W25 Singapore | 01/18 05:00 | 27 | [170] Kurumi Nara v Conny Perrin [150] | 5-7,5-7 | |
| ITF W25 Singapore | 01/17 04:35 | 26 | Kurumi Nara v Julyette JM Steur | 6-1,6-1 | |
| ITF W25 Singapore | 01/16 03:45 | 25 | [170] Kurumi Nara v Ya-Hsuan Lee [278] | 7-5,6-4 | |
| Australian Open Women | 01/10 05:00 | 45 | [303] Naiktha Bains v Kurumi Nara [162] | 6-4,6-4 | |
| Australian Open Women | 01/09 00:35 | 44 | [162] Kurumi Nara v Veronica Cepede Royg [146] | 6-2,7-6 | |
| WTA Brisbane | 12/28 00:00 | 45 | [164] Kurumi Nara v Mandy Minella [103] | 6-3,1-6,6-7 | |
| WTA Houston | 11/15 22:35 | 26 | [219] Katherine Sebov v Kurumi Nara [170] | 6-3,6-3 | |
| WTA Houston | 11/13 22:20 | 25 | [170] Kurumi Nara v Varvara Flink [188] | 6-2,6-3 | |
| ITF Women Las Vegas | 11/10 18:00 | 28 | [37] Belinda Bencic v Kurumi Nara [167] | 6-1,6-4 | |
| ITF Women Las Vegas | 11/10 01:00 | 27 | [167] Kurumi Nara v Veronica Cepede Royg [146] | 6-4,7-5 | |
| ITF Women Las Vegas | 11/09 01:00 | 26 | [167] Kurumi Nara v Louisa Chirico [451] | 2-6,6-2,6-3 | |
| ITF Women Las Vegas | 11/06 19:15 | 25 | [129] Varvara Lepchenko v Kurumi Nara [167] | 6-3,3-6,2-6 | |
| ITF Women Tyler | 11/01 16:40 | 26 | [309] Whitney Osuigwe v Kurumi Nara [167] | 6-7,6-3,6-2 | |
| ITF Women Tyler | 10/31 15:00 | 25 | [167] Kurumi Nara v Kristie Ahn [147] | Retired | |
| ITF Women Macon | 10/24 16:00 | 25 | [164] Kurumi Nara v Sophie Chang [336] | 5-7,6-7 | |
| WTA Tashkent | 09/24 08:15 | 25 | [158] Fanny Stollar v Kurumi Nara [138] | 3-6,6-3,6-4 | |
| WTA Tokyo | 09/18 09:45 | 25 | [63] Victoria Azarenka v Kurumi Nara [125] | 6-4,7-5 | |
| WTA Hiroshima | 09/11 05:40 | 25 | [139] Mandy Minella v Kurumi Nara [118] | 6-3,6-4 | |
| US Open Women | 08/27 15:00 | 23 | [99] Kurumi Nara v Elise Mertens [15] | 2-6,7-6,5-7 |