Stadium: Court 5 Round: 28
| ITF Vietnam F1 MD | 2017/11/09 06:15 | Мин Туан Пхам/Лин Джианг Трин v Katayama/Onozawa | 1-6,2-6 |
| ITF Vietnam F1 MD | 2017/11/08 06:00 | Congcar/Nguyen v Katayama/Onozawa | 2-6,2-6 |
| ITF Japan F3 MD | 2017/03/20 05:50 | Katayama/Onozawa v Nagao/Oku | 4-6,4-6 |
| ITF Japan F2 MD | 2017/03/15 05:45 | Такуто Ники/Кайто Уесуги v Katayama/Onozawa | 7-6,6-1 |
| ITF Japan F2 MD | 2017/03/14 07:15 | Тцунг-Хао Хуанг/Вей-Де Лин v Katayama/Onozawa | 2-6,4-6 |
| ITF Japan F1 MD | 2017/03/09 06:00 | Katayama/Onozawa v Nagao/Oku | 3-6,6-3,9-11 |
| ITF Japan F1 MD | 2017/03/08 04:45 | Cao/Johns v Katayama/Onozawa | 2-6,4-6 |
| Challenger Toyota MD | 2016/11/14 03:55 | Katayama/Onozawa v Kwon/Lim | 6-4,2-6,5-10 |
| ITF Vietnam F1 MD | 2017/11/09 06:30 | Ю Хсию Хсу/Тунг-Лин Ву v Mladenov/Ursu | 4-6,2-6 |
| ITF Vietnam F1 MD | 2017/11/08 04:05 | Matsuzaki/Stevenson v Mladenov/Ursu | 6-7,4-6 |
| Challenger Ho Chi Minh City MD | 2017/10/26 05:00 | Mladenov/Ursu v Рубен Гонзалес/Хънтър Рийс | 3-6,1-6 |