| ITF M25 Vale Do Lobo | 03/12 12:00 | 25 | Naoki Nakagawa v Alberto Barroso Campos | CANC | |
| ITF M25 Quinta Do Lago | 03/07 16:40 | 26 | [378] Naoki Nakagawa v Gastao Elias [292] | Retired | |
| ITF M25 Quinta Do Lago | 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 |
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.