ITF M25 New Delhi 03/18 04:30 26 Palaphoom Kovapitukted v Shuichi Sekiguchi Cancelled
ITF M25 New Delhi 03/16 05:30 26 Yunseok Jang v Shuichi Sekiguchi 2-6,7-5,6-3
ITF M25 New Delhi 03/15 09:55 25 Woobin Shin v Shuichi Sekiguchi 7-5,5-7,3-6
ITF M15 Aktobe 03/02 09:25 26 Federico Bertuccioli v Shuichi Sekiguchi 7-6,4-6,4-4
ITF M15 Aktobe 03/01 09:55 25 Adrian Oetzbach v Shuichi Sekiguchi 3-6,4-6
ITF M25 Burnie 02/09 00:50 26 Adam Walton v Shuichi Sekiguchi 6-1,6-7,7-6
ITF M25 Burnie 02/08 04:00 25 Shuichi Sekiguchi v Corey Gaal 6-2,7-5
Challenger Burnie 02/01 00:25 26 Adam Walton v Shuichi Sekiguchi 6-3,6-2
Challenger Burnie 01/30 03:00 25 Shuichi Sekiguchi v Dane Sweeny 6-2,6-4
Challenger Yokkaichi 11/22 03:50 25 Sho Shimabukuro v Shuichi Sekiguchi 6-4,6-3
Challenger Yokkaichi 11/21 01:00 19 Jason Jung v Shuichi Sekiguchi Retired
Challenger Yokkaichi 11/20 03:15 14 Chak L C Wong v Shuichi Sekiguchi 2-6,1-6
Challenger Kobe 11/13 02:20 14 Shuichi Sekiguchi v Jason Jung Cancelled
Challenger Matsuyama 11/08 02:20 25 Shuichi Sekiguchi v Koki Matsuda Retired
Challenger Matsuyama 11/07 01:00 19 Shuichi Sekiguchi v Makoto Ochi 7-5,7-5
Challenger Matsuyama 11/06 04:50 14 Beibit Zhukayev v Shuichi Sekiguchi 6-4,3-6,6-7
ITF M25 Sapporo 09/09 01:00 27 Shuichi Sekiguchi v Shintaro Imai 3-6,0-6
ITF M25 Sapporo 09/08 03:15 26 Shuichi Sekiguchi v Taki Adachi 6-3,6-0
ITF M25 Sapporo 09/07 00:30 25 Shuichi Sekiguchi v Masamichi Imamura 7-6,1-6,6-0
ITF M25 Sapporo 09/04 02:00 29 Rio Noguchi v Shuichi Sekiguchi 4-6,7-5,6-2
ITF M25 Sapporo 09/03 01:00 28 Yuki Mochizuki v Shuichi Sekiguchi 6-0,2-6,3-6
ITF M25 Sapporo 09/02 01:00 27 Shuichi Sekiguchi v Daisuke Sumizawa 7-6,7-6
ITF M25 Sapporo 09/01 05:30 26 Shuichi Sekiguchi v Kento Takeuchi 6-2,6-4
ITF M25 Sapporo 09/01 01:00 25 Shuichi Sekiguchi v Yusuke Takahashi 6-1,6-7,6-2
ITF M15 Changwon 08/24 05:55 25 Geni Inoue v Shuichi Sekiguchi 3-6,6-3,6-4
ITF M15 Fountain Valley 07/09 19:40 28 Zachary Svajda v Shuichi Sekiguchi 4-6,6-1,6-0
ITF M15 Fountain Valley 07/08 16:50 27 Yuta Kikuchi v Shuichi Sekiguchi 6-7,4-6
ITF M15 Fountain Valley 07/07 16:55 26 Austin Ansari v Shuichi Sekiguchi 6-2,1-6,1-6
ITF M15 Fountain Valley 07/06 18:45 25 Jacob Bullard v Shuichi Sekiguchi 3-6,3-6
ITF M25 Dallas 07/01 15:00 27 Omni Kumar v Shuichi Sekiguchi 7-6,7-6