Tabarka, Singles Qualifying M-ITF-TUN-41A 04/29 08:00 54 Recci, Mason v Onishi, Ken 4-6,1-6
Matsuyama, Singles M-ITF-JPN-06A 04/09 02:50 54 Brymer, Gage v Onishi, Ken 7-6,6-2
ITF - M15 Tsukuba 03/25 01:00 45 Ryuki Matsuda v Onishi, Ken 6-2,6-3
Kofu, Qualifications Simples M-ITF-JPN-03A 03/18 00:30 45 Veldheer, Mick v Onishi, Ken 7-5,6-2
ITF - M15 Sharm El Sheikh 03/11 08:00 45 Onishi, Ken v Tsivadze, George 3-6,6-2,8-10
ITF - M15 Sharm El Sheikh 03/06 12:35 25 Onishi, Ken v Tsivadze, George 3-6,6-2,3-6
ITF Pakistan F3 12/17 05:30 25 Onishi, Ken v Lorenzo Bocchi 6-7,3-6
ITF Czech Republic F4 Qual 06/23 08:00 62 Onishi, Ken v Samuel Puskar 3-6,3-6
ITF Hungary F4 06/12 11:25 25 Heras, Patricio v Onishi, Ken 3-6,6-3,6-1
ITF Hungary F4 Qual 06/11 08:00 62 Onishi, Ken v Kristjan Tamm 6-3,2-6,6-3
ITF Hungary F4 Qual 06/10 08:00 62 Onishi, Ken v Boris Butulija 6-4,6-7,6-4
ITF Czech Republic F3 05/31 12:35 26 Marek Jaloviec v Onishi, Ken 6-2,6-3
ITF Czech Republic F3 05/29 08:30 25 Bolardt, Antonin v Onishi, Ken Retired
ITF Hungary F3 05/23 08:00 26 Bensoussan, Samuel v Onishi, Ken 6-1,6-4
ITF Hungary F3 05/22 11:20 25 Onishi, Ken v Maruscak, Matej 6-1,6-4
ITF Bosnia and Herzegovina F1 05/16 12:30 25 Onishi, Ken v Zgombic, Fran Zvonimir 6-2,3-6,4-6
ITF Turkey F13 04/01 08:30 62 Onishi, Ken v Soares Klier, Gilbert 3-6,6-7
ITF Turkey F13 03/31 08:30 62 Onishi, Ken v Kerdlaphee, Phongsapak 6-4,6-2
ITF Tunisia F9 03/07 11:05 25 Onishi, Ken v Brechemier, Thomas 6-4,6-7,6-7
ITF Tunisia F8 02/28 11:20 25 Ghorbel, Anis v Onishi, Ken 6-4,1-6,6-2
ITF Tunisia F7 02/22 08:30 26 Onishi, Ken v Tatlot, Johan Sebastien 4-6,3-6
ITF Tunisia F7 02/20 09:00 25 Onishi, Ken v Hovhannisyan, Mousheg 4-6,7-6,6-0
Launceston, Australia 02/04 00:25 46 Matosevic, Marinko v Onishi, Ken 6-4,6-0
Launceston, Australia 02/03 04:20 45 Onishi, Ken v Fujii, Shinta 6-0,4-6,6-3
Challenger - Burnie - Qualifications 01/27 04:00 46 Onishi, Ken v van Peperzeel, Gavin 5-7,7-6,4-6
Challenger - Burnie - Qualifications 01/27 01:10 45 Onishi, Ken v Calum Puttergill 6-0,6-1
Challenger Kobe 11/07 03:10 25 Onishi, Ken v Polansky, Peter 1-6,4-6
ITF Malaysia F3 10/31 03:10 25 Onishi, Ken v Arjun Kadhe 7-6,0-6,6-7
ITF Malaysia F2 10/28 01:00 28 Onishi, Ken v Karimov, Jurabek 1-6,3-6
ITF Malaysia F2 10/27 01:00 27 Onishi, Ken v Vilardo, Francesco 4-6,7-6,6-2