| ITF M25札幌 | 09/06 01:00 | 25 | 直樹中川 v Naoya Honda | 7-6,6-4 | |
| ITF M25香港 | 09/03 02:00 | 27 | 直樹中川 v 亞當•莫恩迪爾 | 2-6,6-4,6-10 | |
| ITF M25香港 | 08/31 02:00 | 26 | 直樹中川 v Keisuke Saitoh | 6-4,6-7,6-1 | |
| ITF M25香港 | 08/30 03:50 | 25 | 直樹中川 v 王康傑 | 7-6,6-3 | |
| ITF M25迪凱特 | 08/06 17:00 | 29 | 直樹中川 v Cash Hanzlik | 6-4,1-6,4-6 | |
| ITF M25迪凱特 | 08/05 15:25 | 28 | 直樹中川 v Jonah Braswell | 6-2,4-6,6-1 | |
| ITF M25迪凱特 | 08/04 14:00 | 27 | 直樹中川 v 卡里姆•阿爾阿拉夫 | 7-6,6-3 | |
| ITF M25迪凱特 | 08/03 15:50 | 26 | 直樹中川 v 奎恩•范德卡斯特爾 | 6-4,6-1 | |
| ITF M25迪凱特 | 08/02 14:00 | 25 | 直樹中川 v 維托•托尼 | 6-3,7-6 | |
| ITF M25愛德華茲維爾 | 07/28 14:30 | 27 | 奎恩•范德卡斯特爾 v 直樹中川 | 6-4,6-1 | |
| ITF M25愛德華茲維爾 | 07/28 00:00 | 26 | 彌迦•布拉斯韋爾 v 直樹中川 | 4-6,4-6 | |
| ITF M25愛德華茲維爾 | 07/26 22:55 | 25 | Alexander Petrov v 直樹中川 | 7-6,2-6,3-6 | |
| ITF M25尚佩恩 | 07/22 16:45 | 28 | [476] 直樹中川 v 艾丹•麥休 [408] | 4-6,4-6 | |
| ITF M25尚佩恩 | 07/21 15:00 | 27 | Kenta Miyoshi v 直樹中川 | 2-6,4-6 | |
| ITF M25尚佩恩 | 07/20 16:40 | 26 | 尼希什•巴薩瓦迪 v 直樹中川 | Walkover | |
| ITF M25尚佩恩 | 07/19 14:55 | 25 | Karlis Ozolins v 直樹中川 | 3-6,0-6 | |
| ITF M25彭薩科拉 | 05/18 18:55 | 26 | [434] 直樹中川 v 塞庫•邦古拉 [417] | 4-6,4-6 | |
| ITF M25彭薩科拉 | 05/17 16:15 | 25 | 直樹中川 v 賈斯汀•萊昂斯 | 6-2,6-3 | |
| 科金博挑戰賽 | 05/01 19:35 | 25 | [437] 直樹中川 v 佩德羅•B•迪亞斯 [342] | 6-4,5-7,3-6 | |
| 挑戰者 布宜諾斯艾利斯 | 04/23 13:00 | 14 | 直樹中川 v 托馬斯•法爾哈特 | 1-6,6-4,6-7 | |
| 莫雷洛斯挑戰賽 | 04/18 16:30 | 25 | [443] 直樹中川 v 丹尼斯•葉夫謝耶夫 [290] | 6-7,6-4,2-6 | |
| 莫雷洛斯挑戰賽 | 04/17 19:35 | 19 | [403] 艾丹•麥休 v 直樹中川 [443] | 3-6,3-6 | |
| 莫雷洛斯挑戰賽 | 04/16 19:15 | 14 | 盧西亞諾∙多利亞 v 直樹中川 | 3-6,4-6 | |
| 萊昂挑戰賽 | 04/09 21:45 | 14 | [430] 直樹中川 v 馬克•拉賈爾 [341] | 6-7,2-6 | |
| ITF M25卡拉巴薩斯 男雙 | 03/24 16:50 | 27 | [81] 盧克•莎維勒 v 直樹中川 [430] | 6-4,6-4 | |
| ITF M25卡拉巴薩斯 男雙 | 03/23 19:35 | 25 | 塞庫•邦古拉 v 直樹中川 | 4-6,6-4,3-10 | |
| ITF M25卡拉巴薩斯 男雙 | 03/23 17:00 | 26 | 米哈伊爾 Pervolarakis v 直樹中川 | 1-6,0-6 | |
| ITF M25貝克斯菲爾德 | 03/17 18:00 | 27 | [306] 亞歷克斯•米歇爾森 v 直樹中川 [455] | 6-4,6-1 | |
| ITF M25貝克斯菲爾德 | 03/16 20:15 | 26 | 科林 Markes v 直樹中川 | 2-6,2-6 | |
| ITF M25貝克斯菲爾德 | 03/16 02:00 | 25 | 康納∙法倫 v 直樹中川 | 3-6,6-7 |
Naoki Nakagawa (中川直樹, Nakagawa Naoki, born 19 November 1996) is a Japanese tennis player.
Nakagawa has a career high ATP singles ranking of world No, 531 achieved on 24 July 2017. He also has a career high ATP doubles ranking of world No. 726 achieved on 30. July 2018.
As a junior, Nakagawa reached his highest ranking of number 9 in the world in the combined singles and doubles ITF junior ranking system. His junior tenure was highlighted and capped off by winning the boys' doubles title at the 2014 US Open where he alongside Australia's Omar Jasika defeated the Brazilian duo or João Menezes and Rafael Matos in straight sets 6–3, 7–6(8–6).
Nakagawa has reached 10 singles finals, with a record of 3 wins and 7 losses. Additionally, he has reached 6 doubles finals with a record of 2 wins and 4 losses. All 16 combined final appearances he has made come at the ITF Futures level.