| ITF Egypt F31 | 12/09 07:30 | 62 | 파프, 모리츠 v Otsuka, Yohei | 6-3,7-6 | |
| ITF Egypt F30 | 12/03 08:00 | 44 | 코르도니어, 그레고리오 v Otsuka, Yohei | 6-3,6-4 | |
| ITF Egypt F30 | 12/02 07:00 | 44 | Otsuka, Yohei v 쿤즈, 기오르단 | Retired | |
| ITF Egypt F28 | 11/18 10:00 | 62 | 차우드리, 사마엘 v Otsuka, Yohei | 4-6,6-4,6-4 | |
| Egypt F27, Singles Qualifying | 11/10 10:00 | 62 | Otsuka, Yohei v 데 로시, 마르코 | 5-7,1-6 | |
| ITF Egypt F23 | 10/15 08:00 | 44 | 피산, 톰 v Otsuka, Yohei | 6-4,6-2 | |
| ITF Egypt F23 | 10/14 08:00 | 44 | Otsuka, Yohei v Bhatia, Armaan | 7-5,6-4 | |
| ITF Egypt F23 | 10/13 08:00 | 44 | 포트맨, 케빈 v Otsuka, Yohei | 4-6,1-6 | |
| ITF Egypt F22 | 10/06 08:00 | 44 | Otsuka, Yohei v 폴레이, 패트리크 | 1-6,6-3,4-6 | |
| ITF Spain F29 | 09/22 09:30 | 62 | Otsuka, Yohei v 트트야닌, 니키타 | 6-7,5-7 | |
| ITF Tunisia F29 | 08/27 09:30 | 44 | 플래허티 ,멕 v Otsuka, Yohei | 6-3,7-5 | |
| ITF Spain F24 | 08/18 09:00 | 44 | Anton Talaya, Carles v Otsuka, Yohei | 6-2,6-1 | |
| ITF Spain F23 | 08/12 10:00 | 54 | Otsuka, Yohei v 페르난데즈, 폴 | 3-6,6-7 | |
| ITF Spain F23 | 08/11 11:30 | 54 | Otsuka, Yohei v Spelta, Tommaso | 6-1,6-1 | |
| ITF Spain F21 Qual | 07/28 07:00 | 62 | Otsuka, Yohei v Turegano Julian, Ernesto | 2-6,2-6 | |
| ITF Georgia F2 | 07/14 05:00 | 62 | Otsuka, Yohei v 블로킨, 로만 | 4-6,6-1,4-6 | |
| ITF Egypt F8 | 03/03 08:00 | 62 | Otsuka, Yohei v 맥휴, 아이단 | 2-6,3-6 | |
| Egypt F7, Singles Qualifying | 02/24 12:30 | 62 | 파울, 야콥 v Otsuka, Yohei | 6-4,6-1 | |
| Egypt F36, Singles | 11/27 09:30 | 44 | 사마하, 기오바니 v Otsuka, Yohei | 6-1,6-2 | |
| ITF Egypt F20 | 11/20 13:30 | 44 | Otsuka, Yohei v 엘카디, 오마르 | 3-6,5-7 | |
| ITF Egypt F20 | 11/19 08:00 | 44 | 자이체프, 안톤 v Otsuka, Yohei | Walkover | |
| ITF Egypt F20 | 11/18 08:00 | 44 | Otsuka, Yohei v 체크호브, 안톤 | 7-6,6-3 | |
| ITF Egypt F32 | 10/30 14:00 | 44 | 마레로 쿠르벨로, 이반 v Otsuka, Yohei | 6-1,6-3 | |
| ITF Egypt F32 | 10/29 13:30 | 44 | Otsuka, Yohei v Salle, Fabien | 6-1,7-6 | |
| ITF Egypt F31 | 10/23 14:00 | 44 | Osama, Mazen v Otsuka, Yohei | 3-6,6-3,6-4 | |
| ITF Egypt F28 | 10/01 14:00 | 62 | Otsuka, Yohei v 두다, 필리프 | 3-6,4-6 | |
| ITF Egypt F28 | 09/30 14:00 | 62 | 마야고이티아, 리카르도 다비드 v Otsuka, Yohei | 6-1,3-6,4-6 | |
| Egypt F27, Singles Qualifying | 09/24 13:30 | 62 | Maqdes, Abdullah v Otsuka, Yohei | 6-7,6-1,6-3 | |
| ITF Egypt F26 | 09/18 15:00 | 54 | Otsuka, Yohei v Bellutti, Manuel | 3-6,5-7 | |
| ITF Germany F11 | 08/13 13:00 | 62 | 게르치, 루카스 v Otsuka, Yohei | 6-0,6-0 |