| ITF - Vale Do Lobo M25 | 03/12 12:00 | 25 | Naoki Nakagawa v Alberto Barroso Campos | Cancelled | |
| ITF - Quinta Do Lago M25 | 03/07 16:40 | 26 | [378] Naoki Nakagawa v Gastao Elias [292] | Retired | |
| ITF - Quinta Do Lago M25 | 03/05 15:05 | 25 | [491] Gianmarco Ferrari v Naoki Nakagawa [378] | 1-6,3-6 | |
| Challenger Nonthaburi | 01/07 04:15 | 14 | [357] Naoki Nakagawa v Rigele Te [486] | 6-4,1-6,4-6 | |
| Challenger Nonthaburi | 12/31 04:50 | 14 | [298] Chun Hsin Tseng v Naoki Nakagawa [357] | 6-3,6-3 | |
| Challenger Yokkaichi | 11/27 04:20 | 25 | [357] Naoki Nakagawa v Chak L C Wong [282] | 2-6,7-6,4-6 | |
| Challenger Yokohama | 11/21 01:00 | 25 | Naoki Nakagawa v Andres Martin | 6-7,6-1,2-6 | |
| Challenger Yokohama | 11/20 01:00 | 19 | [343] Mathys Erhard v Naoki Nakagawa [347] | 6-4,3-6,4-6 | |
| Challenger Yokohama | 11/19 01:00 | 14 | [459] Yusuke Takahashi v Naoki Nakagawa [347] | 5-7,6-7 | |
| Challenger Kobe | 11/12 03:25 | 14 | [415] Blake Ellis v Naoki Nakagawa [350] | 6-2,6-7,7-6 | |
| Challenger Matsuyama | 11/07 06:30 | 25 | [350] Naoki Nakagawa v Shintaro Mochizuki [129] | 2-6,2-6 | |
| Challenger Matsuyama | 11/06 01:00 | 19 | [350] Naoki Nakagawa v Yusuke Takahashi [463] | 6-3,6-2 | |
| Challenger Matsuyama | 11/05 03:35 | 14 | Naoki Nakagawa v Yuto Oki | 6-4,6-2 | |
| Challenger Sydney | 10/31 00:20 | 25 | [457] Hiroki Moriya v Naoki Nakagawa [350] | 6-3,7-6 | |
| Challenger Playford | 10/26 02:25 | 26 | [223] Seongchan Hong v Naoki Nakagawa [360] | 6-3,6-3 | |
| Challenger Playford | 10/23 04:20 | 25 | [432] Blake Mott v Naoki Nakagawa [360] | 7-5,1-6,3-6 | |
| ATP Tokio | 10/14 06:15 | 14 | [75] Rinky Hijikata v Naoki Nakagawa [334] | 6-4,7-5 | |
| ITF - Takasaki M25 | 09/24 02:00 | 29 | Naoki Nakagawa v Makoto Ochi | 6-2,7-6 | |
| ITF - Takasaki M25 | 09/23 01:40 | 28 | Naoki Nakagawa v Sora Fukuda | 7-5,6-3 | |
| ITF - Takasaki M25 | 09/22 01:00 | 27 | Naoki Nakagawa v Hikaru Shiraishi | 1-6,6-0,7-5 | |
| ITF - Takasaki M25 | 09/21 03:15 | 26 | Naoki Nakagawa v Daisuke Sumizawa | 7-5,6-4 | |
| ITF - Takasaki M25 | 09/20 01:00 | 25 | [394] Naoki Nakagawa v Seita Watanabe [367] | 6-3,6-2 | |
| ITF - Sapporo M25 | 09/17 01:55 | 29 | Naoki Nakagawa v Kazuki Nishiwaki | 4-6,6-1,6-4 | |
| ITF - Sapporo M25 | 09/16 03:55 | 28 | Naoki Nakagawa v Hayato Matsuoka | 6-2,6-2 | |
| ITF - Sapporo M25 | 09/15 05:35 | 27 | Naoki Nakagawa v Koki Matsuda | 6-4,6-2 | |
| ITF - Sapporo M25 | 09/15 00:55 | 26 | [410] Naoki Nakagawa v Seita Watanabe [371] | 6-3,6-2 | |
| ITF - Sapporo M25 | 09/13 01:00 | 25 | Naoki Nakagawa v Yusuke Kusuhara | 6-2,7-6 | |
| ITF - Sapporo M25 | 09/09 02:00 | 28 | Naoki Nakagawa v Shuichi Sekiguchi | 7-5,3-6,5-7 | |
| ITF - Sapporo M25 | 09/08 01:00 | 27 | Naoki Nakagawa v Kokoro Isomura | 6-2,6-0 | |
| ITF - Sapporo M25 | 09/07 00:55 | 26 | Naoki Nakagawa v Shunsuke Wakita | 4-6,6-2,6-0 |
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.