Stadion: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF - Guam F1 - Herrendoppel | 2018/06/23 05:15 | Ehara/Katayama v Delaney/Fancutt | 6-3,6-3 |
| ITF - Guam F1 - Herrendoppel | 2018/06/22 03:10 | Ehara/Katayama v Shimizu/Takeuchi | 4-6,7-5,10-6 |
| ITF - Guam F1 - Herrendoppel | 2018/06/21 03:00 | Ehara/Katayama v Adamson/Hunt | 6-0,6-3 |
| ITF - Guam F1 - Herrendoppel | 2018/06/20 06:00 | Ehara/Katayama v Bajpai/Hill | 6-2,6-1 |
| ITF - China F8 - Herrendoppel | 2018/06/05 05:15 | Ji/Yu v Ehara/Katayama | 6-3,5-7,10-4 |
| ITF - Japan F6 - Herrendoppel | 2018/04/12 05:45 | Ehara/Katayama v Kono/Sakai | 6-7,4-6 |
| ITF - Japan F6 - Herrendoppel | 2018/04/11 04:45 | Ehara/Katayama v Kibi/Onozawa | 6-3,6-2 |
| ITF - Japan F5 - Herrendoppel | 2018/04/04 07:40 | Ehara/Katayama v Fujii/Ochi | 6-2,3-6,6-10 |