Yokohama, Japan, Qualifying 02/26 01:00 46 Wang, Jimmy v Sekiguchi, Shuichi 6-2,6-7,2-6
Yokohama, Japan, Qualifying 02/25 01:00 45 Yusuke Takahashi v Sekiguchi, Shuichi 6-4,3-6,2-6
Kyoto, Japan 02/21 01:30 25 Tatsuma Ito v Sekiguchi, Shuichi 6-2,6-3
Challenger Kyoto Qual 02/20 01:30 54 Sekiguchi, Shuichi v Evgeny Karlovskiy 5-7,0-6
Challenger Kyoto Qual 02/19 01:00 46 Sekiguchi, Shuichi v Tanaka, Yunosuke 6-0,6-4
Challenger Kyoto Qual 02/18 03:00 45 Sekiguchi, Shuichi v Fujii, Shinta 6-1,7-5
Bangkok-2, Thailand 01/12 06:00 27 Daniel Altmaier v Sekiguchi, Shuichi 6-4,6-1
Bangkok-2, Thailand 01/11 03:00 26 Sekiguchi, Shuichi v Mertens, Yannick 6-3,3-6,6-1
Bangkok-2, Thailand 01/09 08:20 25 Sekiguchi, Shuichi v Burapharitta, Phassawit 6-1,6-4
ITF Hong Kong F1 01/04 02:00 26 Sekiguchi, Shuichi v Tang, Anthony Jackie Retired
ITF Hong Kong F1 01/03 03:15 25 Sekiguchi, Shuichi v Tan, Li-Wie 6-4,6-2
ITF Hong Kong F5 12/30 23:00 29 Sekiguchi, Shuichi v Sora Fukuda 6-0,6-7,6-7
ITF Hong Kong F5 12/29 23:00 28 Sekiguchi, Shuichi v Shintaro Imai 7-6,6-3
ITF Hong Kong F5 12/28 23:00 27 Sekiguchi, Shuichi v Geoffrey Blancaneaux 6-0,6-4
ITF Hong Kong F5 12/27 23:00 26 Sekiguchi, Shuichi v Li, Hei Yin Andrew 6-3,6-0
ITF Hong Kong F5 12/26 23:00 25 Sekiguchi, Shuichi v Yu Hsiou Hsu 2-6,6-4,6-3
Hong Kong F4, Simples 12/23 23:00 28 Sekiguchi, Shuichi v Bhambri, Yuki 3-6,4-6
Hong Kong F4, Simples 12/22 23:00 27 Sekiguchi, Shuichi v Takeuchi, Kento (1987) 5-7,6-3,6-2
Hong Kong F4, Simples 12/21 23:00 26 Sekiguchi, Shuichi v Wong, Hong Kit 6-1,6-0
Hong Kong F4, Simples 12/18 23:00 25 Sekiguchi, Shuichi v Alberto Lim 6-4,3-6,6-3
Challenger Toyota 11/16 01:00 25 Chung, Hyeon v Sekiguchi, Shuichi 6-1,6-3
Challenger Kobe 11/07 05:10 25 Sekiguchi, Shuichi v Soeda, Go 1-6,0-6
Challenger Canberra 2 11/02 02:15 26 Sekiguchi, Shuichi v Marc Polmans 1-6,2-6
Challenger Canberra 2 10/31 23:30 25 Jenkins, Jarmere v Sekiguchi, Shuichi 6-2,3-6,0-6
Ningbo, China 10/19 04:25 26 Sekiguchi, Shuichi v Soeda, Go 3-6,0-6
Ningbo, China 10/17 02:00 25 Sekiguchi, Shuichi v Fajing Sun 6-3,7-5
Ningbo, China, Qualifying 10/16 04:35 54 Sekiguchi, Shuichi v Kim, Cheong-Eui 6-4,4-6,6-1
Ningbo, China, Qualifying 10/15 05:00 46 Sekiguchi, Shuichi v Reboul, Fabien 7-5,6-2
Challenger Ho Chi Minh City 10/13 11:20 26 Sekiguchi, Shuichi v Jordan Thompson 3-6,3-6
Challenger Ho Chi Minh City 10/11 12:10 25 Sekiguchi, Shuichi v Nguyen Hoang, Thien 6-1,6-3