| ITF美國F35 | 12/04 20:00 | 25 | 德拉戈斯•康斯坦丁•伊格納特 v 直樹中川 | 6-3,7-6 | |
| ITF美國F35 | 12/02 15:00 | 54 | 直樹中川 v 恩佐 Wallart | 6-4,2-6,6-4 | |
| ITF美國F34 | 11/26 18:15 | 25 | 瓦西萊∙格希勒亞 v 直樹中川 | 6-7,6-3,6-1 | |
| 神戶挑戰賽 | 11/10 02:00 | 45 | Yuki Mochizuki v 直樹中川 | 6-1,6-7,6-2 | |
| ITF美國F28 | 10/14 15:00 | 62 | 直樹中川 v Zandrix Acob | 5-7,3-6 | |
| ITF美國F28 | 10/13 17:30 | 62 | 直樹中川 v 伊恩 O'Jon | 6-4,6-2 | |
| ITF美國F27 | 10/10 17:20 | 25 | 直樹中川 v 塞巴斯蒂安•科達 | 3-6,2-6 | |
| 金泉挑戰賽資格賽 | 05/06 06:20 | 46 | 直樹中川 v 盧克•莎維勒 | 4-6,4-6 | |
| 金泉挑戰賽資格賽 | 05/05 03:10 | 45 | 直樹中川 v 布雷克•艾利斯 | 6-3,6-3 | |
| ITF日本F6 | 04/10 06:30 | 25 | Yuta Shimizu v 直樹中川 | 5-7,6-3,7-6 | |
| ITF日本F4 | 03/27 04:20 | 25 | Renta Tokuda v 直樹中川 | 6-2,6-2 | |
| ITF日本F3 | 03/20 06:00 | 25 | 伊藤童馬 v 直樹中川 | 6-2,6-3 | |
| ITF日本F2 | 03/16 03:10 | 27 | Tung-Lin Wu v 直樹中川 | 6-3,4-6,6-2 | |
| ITF日本F2 | 03/14 02:50 | 26 | 直樹中川 v Yuta Shimizu | 4-6,6-3,6-2 | |
| ITF日本F2 | 03/13 04:45 | 25 | 隆齋藤 v 直樹中川 | 4-6,6-3,1-6 | |
| ITF日本F1 | 03/09 02:00 | 27 | 直樹中川 v 丹尼爾•阮 | 6-3,3-6,5-7 | |
| ITF日本F1 | 03/08 01:30 | 26 | 直樹中川 v 玄吾菊池 | 7-5,7-6 | |
| ITF日本F1 | 03/06 02:00 | 25 | 直樹中川 v Shin Yoshida | 6-4,6-1 | |
| 京都挑戰賽資格賽 | 02/18 02:45 | 46 | 直樹中川 v 鈴木高 | 6-7,6-7 | |
| 京都挑戰賽資格賽 | 02/17 02:25 | 45 | 守屋宏紀 v 直樹中川 | 6-4,6-7,2-6 | |
| ITF美國F6 | 02/01 17:55 | 26 | 直樹中川 v 蒂姆•範萊特霍芬 | 4-6,3-6 | |
| ITF美國F6 | 01/30 15:00 | 25 | 直樹中川 v 丹尼•托馬斯 | 6-3,6-4 | |
| ITF美國F5 | 01/24 15:00 | 25 | 直樹中川 v 羅伯托•西德•蘇韋爾維 | 2-6,3-6 | |
| ITF美國F4 | 01/21 17:00 | 29 | 直樹中川 v 朱利安•卡尼納 | 7-6,3-6,3-6 | |
| ITF美國F4 | 01/20 15:00 | 28 | 直樹中川 v 馬塞洛•托馬斯•巴裏奧斯•維拉 | 6-4,6-4 | |
| ITF美國F4 | 01/19 15:00 | 27 | 直樹中川 v 馬克西姆•查紮爾 | 6-4,6-4 | |
| ITF美國F4 | 01/18 15:00 | 26 | 哈維爾•馬蒂 v 直樹中川 | 6-7,6-2,6-7 | |
| ITF美國F4 | 01/16 16:15 | 25 | 直樹中川 v Karunuday 辛格赫 | 6-1,6-3 | |
| ITF美國F3 | 01/10 15:00 | 25 | 特倫特•布萊德 v 直樹中川 | 3-6,6-0,6-2 | |
| 班加羅爾挑戰賽 | 11/21 08:20 | 25 | 直樹中川 v 佩德羅•馬丁內斯 | 6-7,3-6 |
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.