| ITF M25狼谷 | 03/12 12:00 | 25 | 直树中川 v 阿尔贝托•巴罗佐•坎波斯 | CANC | |
| ITF M25金塔多拉戈 | 03/07 16:40 | 26 | [378] 直树中川 v Gastao伊里亚斯 [292] | 弃权 | |
| ITF M25金塔多拉戈 | 03/05 15:05 | 25 | [491] 詹马科•法拉利 v 直树中川 [378] | 1-6,3-6 | |
| 暖武里挑战赛 | 01/07 04:15 | 14 | [357] 直树中川 v Rigele Te [486] | 6-4,1-6,4-6 | |
| 暖武里挑战赛 | 12/31 04:50 | 14 | [298] 曾俊欣 v 直树中川 [357] | 6-3,6-3 | |
| 四日市市挑战赛 | 11/27 04:20 | 25 | [357] 直树中川 v Chak L C Wong [282] | 2-6,7-6,4-6 | |
| 横滨挑战赛 | 11/21 01:00 | 25 | 直树中川 v 安德鲁•马丁 | 6-7,6-1,2-6 | |
| 横滨挑战赛 | 11/20 01:00 | 19 | [343] 马蒂斯•埃哈德 v 直树中川 [347] | 6-4,3-6,4-6 | |
| 横滨挑战赛 | 11/19 01:00 | 14 | [459] 高桥雄介 v 直树中川 [347] | 5-7,6-7 | |
| 神户挑战赛 | 11/12 03:25 | 14 | [415] 布雷克•艾利斯 v 直树中川 [350] | 6-2,6-7,7-6 | |
| 松山挑战赛 | 11/07 06:30 | 25 | [350] 直树中川 v 望月慎太郎 [129] | 2-6,2-6 | |
| 松山挑战赛 | 11/06 01:00 | 19 | [350] 直树中川 v 高桥雄介 [463] | 6-3,6-2 |
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.