| ITF美國F18 | 06/15 19:30 | 26 | 肖恩 H. 哈達維 v 直樹中川 | 3-6,6-7 | |
| ITF美國F18 | 06/14 21:30 | 25 | 利卡多•羅德瑞格茲 v 直樹中川 | 6-7,4-6 | |
| ITF日本F7 | 06/09 01:00 | 27 | Haru Inoue v 直樹中川 | 6-3,6-3 | |
| ITF日本F7 | 06/08 04:25 | 26 | Sora Fukuda v 直樹中川 | 6-2,5-7,4-6 | |
| ITF日本F7 | 06/08 01:00 | - | Sora Fukuda v 直樹中川 | 6-2,5-7,4-6 | |
| ITF日本F7 | 06/06 04:00 | 25 | 喬漢•尼克利斯 v 直樹中川 | 1-6,1-6 | |
| ITF中國F9 | 06/02 03:30 | 27 | 何塞•斯塔薩姆 v 直樹中川 | 6-3,6-4 | |
| ITF中國F9 | 06/01 02:00 | 26 | 直樹中川 v 張澤 | Retired | |
| ITF中國F9 | 05/31 04:10 | 25 | 直樹中川 v 吳昊 | 6-2,6-4 | |
| ITF中國F8 | 05/23 04:00 | 25 | 直樹中川 v 塔庫托∙尼基 | 3-6,2-6 | |
| ITF中國F7 | 05/19 06:25 | 27 | 直樹中川 v 王楚涵 | 6-7,6-4,2-6 | |
| ITF中國F7 | 05/18 02:00 | 26 | 李喆 v 直樹中川 | 6-3,3-6,4-6 | |
| ITF中國F7 | 05/16 07:40 | 25 | 托馬斯•凡科特 v 直樹中川 | 6-3,6-7,4-6 | |
| ITF美國F16 | 05/03 15:50 | 25 | 艾賽亞•斯特羅德 v 直樹中川 | 6-3,6-3 | |
| ITF美國F15 | 04/25 15:00 | 25 | 盧卡斯•奧勒特 v 直樹中川 | 7-6,6-3 | |
| ITF美國F14 | 04/19 14:00 | 25 | 直樹中川 v 卡梅隆•斯爾弗曼 | 5-7,6-4,2-6 | |
| ITF意大利F7 | 04/05 17:15 | 26 | 塞爾瓦托•卡魯索 v 直樹中川 | 6-1,7-5 | |
| ITF意大利F7 | 04/04 10:30 | 25 | 沃爾特•特魯森迪 v 直樹中川 | 3-6,6-2,3-6 | |
| ITF意大利F7資格賽 | 04/02 07:30 | 54 | 直樹中川 v 亞曆山大•韋斯 | 6-7,6-3,6-0 | |
| ITF意大利F7資格賽 | 04/01 07:30 | 54 | 直樹中川 v 喬治•溫克勒 | 6-4,7-5 | |
| ITF克羅地亞F3 | 03/26 09:00 | 29 | 直樹中川 v 揚尼克·範登布爾克 | 1-6,2-6 | |
| ITF克羅地亞F3 | 03/25 10:00 | 28 | 尤裏•羅季奧諾夫 v 直樹中川 | 4-6,6-2,4-6 | |
| ITF克羅地亞F3 | 03/24 10:00 | 27 | 阿倫•阿維茲巴 v 直樹中川 | 3-6,6-4,2-6 | |
| ITF克羅地亞F3 | 03/23 09:00 | 26 | 直樹中川 v 尼諾•塞爾達魯什奇 | 7-6,1-6,6-4 | |
| ITF克羅地亞F3 | 03/22 10:05 | 25 | 亞曆山德拉•拉札雷夫 v 直樹中川 | 2-6,0-6 | |
| ITF克羅地亞F3 | 03/20 13:30 | 60 | 直樹中川 v 阿倫•阿維茲巴 | 3-6,4-6 | |
| ITF克羅地亞F3 | 03/20 09:00 | 60 | 直樹中川 v 馬可•米塞利 | 7-6,6-2 | |
| ITF克羅地亞F3 | 03/19 08:30 | 60 | 直樹中川 v 盧卡斯•克萊納 | 6-4,6-2 | |
| ITF克羅地亞F3 | 03/18 10:30 | 60 | 直樹中川 v Marin Jurkovic | 6-0,6-1 | |
| ITF克羅地亞F2 | 03/12 13:00 | 60 | 直樹中川 v 蒂姆∙範特海登 | 3-6,7-5,3-6 |
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.