Stadium: C Round: 54
| ITF Vietnam F1 | 2018/04/28 03:00 | Polkinghorne, Darren v Kaewsuto, Chayanon | 7-6,6-4 |
| ITF Australia F2 | 2018/03/07 01:35 | Polkinghorne, Darren v Whittington, Andrew | 1-6,4-6 |
| ITF Australia F2 Qual | 2018/03/05 01:40 | Polkinghorne, Darren v Commings, Michael | 6-3,6-2 |
| ITF Australia F2 Qual | 2018/03/04 00:30 | Polkinghorne, Darren v Ibrahim, James | 6-0,6-2 |
| ITF Australia F2 Qual | 2018/03/02 23:00 | Polkinghorne, Darren v Fields, Omar | 6-2,7-6 |
| ITF Australia F1 | 2018/03/01 02:30 | Polkinghorne, Darren v Omar Jasika | 6-7,6-7 |
| ITF Australia F1 | 2018/02/26 23:00 | Polkinghorne, Darren v Romios, Matthew Christopher | 6-7,6-2,6-2 |
| ITF Australia F7 | 2017/10/12 00:00 | Polkinghorne, Darren v Kelly, Dayne | 4-6,4-6 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | Barclay, David v Yuichiro Inui | 1-6,7-6,6-4 |
| ITF Japan F5 | 2018/03/31 00:30 | Yuichiro Inui v Liu, Shao-Fan | 0-6,4-6 |
| Turkey F10, Singles Qualifying | 2018/03/10 08:30 | Boris Butulija v Yuichiro Inui | 2-6,6-4,6-0 |
| ITF Turkey F9 | 2018/03/04 07:00 | Madaras, Dragos Nicolae v Yuichiro Inui | 6-1,6-1 |
| Turkey F8, Singles Qualifying | 2018/02/25 07:30 | Kenneth Raisma v Yuichiro Inui | 7-6,6-1 |
| ITF Turkey F7 | 2018/02/17 11:00 | Yuichiro Inui v Krainer, L. | 2-6,1-6 |
| Turkey F6, Singles Qualifying | 2018/02/10 09:00 | Yuichiro Inui v Felipe Meligeni Rodrigues Alves | 4-6,4-6 |
| ITF Turkey F5 | 2018/02/05 07:30 | Nam, Ji Sung v Yuichiro Inui | 7-5,6-0 |