| ITF Korea F1 | 2015/05/17 02:00 | Dong-Kyu Lee v Ku Keon Kang | 7-6,6-2 |
| ITF Turkey F36 | 2014/10/15 06:30 | Ku Keon Kang v Filippo Baldi | 7-5,6-7,2-6 |
| ITF Turkey F36 | 2014/10/13 06:30 | Ku Keon Kang v Moritz Dettinger | 6-3,6-3 |
| ITF Turkey F35 | 2014/10/08 07:00 | Rogelio Siller v Ku Keon Kang | 6-3,3-6,6-3 |
| ITF Turkey F35 | 2014/10/06 08:00 | Ku Keon Kang v Chayanon Kaewsuto | 6-4,6-1 |
| ITF Turkey F35 | 2014/10/05 07:00 | Ku Keon Kang v Durukan Durmus | 6-0,4-6,7-5 |
| ITF Turkey F34 | 2014/09/29 07:00 | Young Seok Kim v Ku Keon Kang | 7-6,6-3 |
| ITF Turkey F34 | 2014/09/28 07:00 | Nico Borter v Ku Keon Kang | 2-6,3-6 |
| ITF Italy F30 | 2015/05/04 08:00 | Filippo Leonardi v Jumpei Yamasaki | 7-5,3-6,6-3 |
| ITF Italy F7 | 2015/04/27 11:35 | Jumpei Yamasaki v Federico Maccari | 4-6,5-7 |
| ITF Japan F4 | 2015/04/01 01:00 | Jumpei Yamasaki v Yusuke Watanuki | 6-7,3-6 |
| ITF Japan F4 | 2015/03/30 05:00 | Naoki Nakagawa v Jumpei Yamasaki | 6-7,4-6 |
| ITF Turkey F34 | 2014/09/27 07:00 | Ben Mclachlan v Jumpei Yamasaki | 7-5,6-4 |
| ITF Turkey F33 | 2014/09/22 07:00 | Scott Clayton v Jumpei Yamasaki | 3-6,6-7 |
| ITF Italy F13 | 2014/05/07 12:25 | Viktor Galovic v Jumpei Yamasaki | 7-6,6-3 |
| ITF Italy F13 | 2014/05/05 10:00 | Jumpei Yamasaki v Goncalo Oliveira | 6-3,1-6,6-4 |