Challenger Charleston 09/25 14:00 14 August Holmgren v Naoki Nakagawa 4-6,7-6,6-2
Challenger Columbus 09/21 17:30 26 [138] Aleksandar Vukic v Naoki Nakagawa [481] 7-5,3-6,7-6
Challenger Columbus 09/20 14:00 25 [478] Ezekiel Clark v Naoki Nakagawa [481] 5-7,2-6
Challenger Columbus 09/19 17:00 19 Naoki Nakagawa v Roy Smith 3-6,6-3,6-4
Challenger Cary 09/12 16:00 19 Naoki Nakagawa v Donald Young 5-7,2-6
Challenger Cary 09/11 15:00 14 [486] Naoki Nakagawa v Tyler Zink [473] 6-4,6-3
Challenger Nonthaburi 09/05 03:50 19 [454] Yuta Shimizu v Naoki Nakagawa [486] 7-6,6-3
Challenger Nonthaburi Qual 09/04 07:30 14 Shinji Hazawa v Naoki Nakagawa 4-6,4-6
Challenger Nonthaburi Qual 08/28 08:55 14 [395] Beibit Zhukayev v Naoki Nakagawa [486] 6-1,6-4
Challenger Amersfoort 07/10 10:40 45 [325] Luca Van Assche v Naoki Nakagawa [494] 3-6,6-2,6-4
Challenger Bogota 07/05 17:05 25 [342] Facundo Juarez v Naoki Nakagawa [494] 7-5,1-6,6-1
Challenger Bogota 07/04 15:00 19 Naoki Nakagawa v Kiranpal Pannu 1-6,6-4,6-2
Challenger Bogota 07/03 15:00 14 Naoki Nakagawa v Kuan Yu Chen 6-2,6-4
Challenger Cali 06/26 16:50 14 Joao Victor C Loureiro v Naoki Nakagawa 7-6,7-6
Challenger Buenos Aires 06/21 14:20 25 Naoki Nakagawa v Juan Bautista Otegui 4-6,2-6
Challenger Buenos Aires 06/20 15:35 19 Naoki Nakagawa v Francisco Pini 6-2,7-5
Challenger Buenos Aires 06/19 17:50 14 Naoki Nakagawa v Thiago Cigarran 6-7,6-2,6-3
Challenger Corrientes 06/14 17:40 25 Naoki Nakagawa v Francisco Comesana 2-6,2-6
Challenger Corrientes 06/13 14:25 19 Naoki Nakagawa v Julian Cundom 6-2,7-5
ITF M25 East Lansing 06/10 18:25 27 Shunsuke Mitsui v Naoki Nakagawa 6-3,7-5
ITF M25 East Lansing 06/09 15:00 26 Noah Schachter v Naoki Nakagawa 6-3,4-6,3-6
ITF M25 East Lansing 06/07 18:30 25 Colin Markes v Naoki Nakagawa 3-6,2-6
Challenger Coquimbo 05/10 15:40 25 [240] Genaro Alberto Olivieri v Naoki Nakagawa [496] 6-2,6-3
Challenger Coquimbo 05/09 16:20 19 [496] Naoki Nakagawa v Juan Ignacio Galarza [477] 7-6,6-3
Challenger Coquimbo 05/08 19:55 14 Naoki Nakagawa v Sebastian Santibanez 6-0,6-3
Challenger Morelos 04/27 15:00 25 Naoki Nakagawa v Steven Diez 2-6,1-6
Challenger Morelos 04/25 17:30 19 Michail Pervolarakis v Naoki Nakagawa 3-6,6-0,2-6
Challenger Morelos 04/24 19:35 14 Naoki Nakagawa v Sho Shimabukuro 6-4,7-5
Challenger Tallahassee 04/17 17:10 14 Naoki Nakagawa v Andrew Harris 6-7,6-7
Challenger Salinas 04/05 15:00 25 Nicolas Moreno De Alboran v Naoki Nakagawa 6-7,6-4,6-4

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.