Challenger Bangalore Qual 11/19 08:30 54 Naoki Nakagawa v Matej Sabanov 5-7,4-6
Challenger Bangalore Qual 11/18 10:05 46 Naoki Nakagawa v Vinayak Sharma Kaza 6-4,6-3
Challenger Pune Qual 11/11 08:00 45 Timur Khabibulin v Naoki Nakagawa 2-6,7-6,6-4
Challenger Kobe Qual 11/05 02:00 46 Yosuke Watanuki v Naoki Nakagawa 6-1,7-6
Challenger Kobe Qual 11/04 04:50 45 Naoki Nakagawa v Yuga Tashiro 6-3,6-1
Challenger Shenzhen 2 10/31 05:00 25 Naoki Nakagawa v Duckhee Lee 1-6,4-6
Challenger Shenzhen 2 Qual 10/30 03:00 54 Naoki Nakagawa v Miliaan Niesten 4-6,0-6
Challenger Shenzhen 2 Qual 10/29 04:10 46 N.Sriram Balaji v Naoki Nakagawa 4-6,6-3,3-6
Challenger Shenzhen 2 Qual 10/28 05:30 45 Christopher Rungkat v Naoki Nakagawa 2-6,6-4,3-6
Challenger Suzhou Qual 10/22 04:00 46 Naoki Nakagawa v Riccardo Ghedin 1-6,3-6
ITF USA F33 10/11 15:00 25 Naoki Nakagawa v Alexei Popyrin 6-2,6-7,6-7
Challenger Stockton Qual 09/30 19:35 45 Ruan Roelofse v Naoki Nakagawa 6-7,6-2,6-1
ITF USA F32 09/27 17:00 25 Karue Sell v Naoki Nakagawa 6-3,7-5
ITF USA F31 09/20 19:10 25 Ronnie Schneider v Naoki Nakagawa 6-2,6-3
ITF Canada F5 08/30 18:20 26 Naoki Nakagawa v Jacob Dunbar 4-6,2-6
ITF Canada F5 08/28 16:30 25 Naoki Nakagawa v Deiton Baughman 7-6,6-3
Challenger Santo Domingo Qual 08/13 15:00 46 Carlos B-Purkiss v Naoki Nakagawa 6-4,6-0
Challenger Santo Domingo Qual 08/12 15:00 45 Jasel A B Rosario v Naoki Nakagawa 3-6,3-6
Challenger Floridablanca 08/08 16:00 25 Naoki Nakagawa v Oscar Jose Gutierrez 2-6,3-6
Challenger Granby Qual 07/23 17:50 46 Mark Verryth v Naoki Nakagawa 6-3,6-2
Challenger Gatineau Qual 07/15 16:30 45 Naoki Nakagawa v Finn Tearney 7-6,3-6,4-6
ITF USA F23 07/08 15:00 28 Naoki Nakagawa v Christian Harrison 3-6,3-6
ITF USA F23 07/07 15:50 27 Naoki Nakagawa v Ryan Shane 1-6,6-3,6-4
ITF USA F23 07/06 18:45 26 Naoki Nakagawa v McClain Kessler 6-4,6-2
ITF USA F23 07/05 14:00 25 Naoki Nakagawa v Charles Force 6-4,6-0
ITF USA F22 06/27 15:30 25 Naoki Nakagawa v Nathan Pasha Cancelled
ITF USA F20 06/21 17:00 25 Alexander Knight v Naoki Nakagawa 7-6,6-3
ITF USA F18 06/18 16:00 29 Alex Rybakov v Naoki Nakagawa 4-6,6-0,6-1
ITF USA F18 06/17 16:25 28 Naoki Nakagawa v Kaichi Uchida 4-6,7-6,6-4
ITF USA F18 06/16 16:00 27 Raleigh Smith v Naoki Nakagawa 6-2,4-6,3-6

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, 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.