Challenger Columbus 09/18 15:00 26 Naoki Nakagawa v Alexander Bernard 6-2,6-3
Challenger Columbus 09/17 19:45 25 [460] Jack Pinnington Jones v Naoki Nakagawa [429] 6-7,4-6
Challenger Columbus 09/15 16:00 14 Naoki Nakagawa v Evan Sharygin 0-0
Challenger Las Vegas 09/10 21:55 25 [437] Marek Gengel v Naoki Nakagawa [455] 6-3,6-2
ITF M25 Sapporo 09/08 02:00 29 Kokoro Isomura v Naoki Nakagawa 6-3,6-2
ITF M25 Sapporo 09/07 02:30 28 Naoki Nakagawa v Daisuke Sumizawa 6-3,6-4
ITF M25 Sapporo 09/06 03:50 27 [500] Hikaru Shiraishi v Naoki Nakagawa [446] 7-6,6-7,1-6
ITF M25 Sapporo 09/05 05:30 26 Ryotaro Matsumura v Naoki Nakagawa 7-5,2-6,3-6
ITF M25 Sapporo 09/03 00:45 25 Hayato Matsuoka v Naoki Nakagawa 2-6,4-6
Challenger Santo Domingo 08/12 16:05 19 [457] Naoki Nakagawa v Christian Langmo [460] 6-7,4-6
Challenger Santo Domingo 08/11 19:10 14 Naoki Nakagawa v Enmanuel Munoz 6-2,6-2
Challenger Lincoln 08/05 16:00 19 Naoki Nakagawa v Jack Pinnington Jones 2-6,6-1,1-6
Challenger Lincoln 08/04 15:00 14 [423] Naoki Nakagawa v Niki Kaliyanda Poonacha [109] 6-3,6-2
Challenger Lexington 07/29 14:35 14 Naoki Nakagawa v Joshua Lapadat 3-6,6-2,4-6
Challenger Chicago 07/22 16:00 19 Naoki Nakagawa v Michael Zheng 5-7,4-6
Challenger Chicago 07/21 16:55 14 [249] Clement Chidekh v Naoki Nakagawa [411] 3-6,2-6
ITF M15 Tokyo 07/10 05:00 25 Naoki Nakagawa v Shu Matsuoka Cancelled
ITF M15 Tokyo 07/06 05:30 28 Naoki Nakagawa v Karlis Ozolins Walkover
ITF M15 Tokyo 07/05 02:00 27 [412] Naoki Nakagawa v Jeamoon Lee [384] 6-2,6-4
ITF M15 Tokyo 07/04 02:00 26 Naoki Nakagawa v Ryotaro Matsumura 7-6,3-6,6-1
ITF M15 Tokyo 07/02 05:05 25 Naoki Nakagawa v Taki Adachi 6-1,6-3
ITF M25 Changwon 06/22 04:00 28 [439] Naoki Nakagawa v Masamichi Imamura [464] 5-7,2-6
ITF M25 Changwon 06/21 01:50 27 Naoki Nakagawa v Chan-Yeong Oh 6-7,6-0,6-2
ITF M25 Changwon 06/20 01:00 26 [439] Naoki Nakagawa v Woobin Shin [457] 7-5,7-6
ITF M25 Changwon 06/19 04:50 25 Naoki Nakagawa v Geun Jun Kim 6-2,6-4
ITF M25 Vale Do Lobo 03/12 12:00 25 Naoki Nakagawa v Alberto Barroso Campos Cancelled
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

Wikipedia - Naoki Nakagawa

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. 327 achieved on 23 June 2025 and a doubles ranking of world No. 726 achieved on 30 July 2018. He won the boys' doubles title at the 2014 US Open with Omar Jasika.

History

As a teen, Nakagawa reached his highest ranking of world No. 9 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 won his first ATP Challenger title at the 2024 Columbus Challenger, defeating James Trotter in the final.