Stadium: Court 7 Round: 44 Ground: Hardcourt outdoor
| ITF Spain F16 Qual | 2018/06/23 07:00 | 플래허티 ,멕 v Castillo Lopez, Jaime | 5-7,4-6 |
| ITF Spain F7 | 2018/03/17 08:00 | Guell Bartrina, Eduard v 플래허티 ,멕 | 6-1,6-1 |
| ITF Spain F24 | 2018/08/18 09:00 | Anton Talaya, Carles v Otsuka, Yohei | 6-2,6-1 |
| ITF Spain F23 | 2018/08/12 10:00 | Otsuka, Yohei v 페르난데즈, 폴 | 3-6,6-7 |
| ITF Spain F23 | 2018/08/11 11:30 | Otsuka, Yohei v Spelta, Tommaso | 6-1,6-1 |
| ITF Spain F21 Qual | 2018/07/28 07:00 | Otsuka, Yohei v Turegano Julian, Ernesto | 2-6,2-6 |
| ITF Georgia F2 | 2018/07/14 05:00 | Otsuka, Yohei v 블로킨, 로만 | 4-6,6-1,4-6 |
| ITF Egypt F8 | 2018/03/03 08:00 | Otsuka, Yohei v 맥휴, 아이단 | 2-6,3-6 |
| Egypt F7, Singles Qualifying | 2018/02/24 12:30 | 파울, 야콥 v Otsuka, Yohei | 6-4,6-1 |
| Egypt F36, Singles | 2017/11/27 09:30 | 사마하, 기오바니 v Otsuka, Yohei | 6-1,6-2 |