14.10.19 | Četvrtfinale | Issei Okamura/Ryota Tanuma | Yuta Kawahashi/Soichiro Moritani | 5-7, 6-4, 10-7 | | detalj meča | M15 Changwon | tvrda |
14.10.19 | Polufinale | Hong Chung/Jea Moon Lee | Issei Okamura/Ryota Tanuma | 6-3, 6-2 | | detalj meča |
14.10.19 | 1. kolo | Issei Okamura/Ryota Tanuma | Kousuke Ogura/Ko Suzuki | 3-6, 6-3, 10-8 | | detalj meča |
26.08.19 | 1. kolo | Issei Okamura/Ryota Tanuma | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-5, 6-3 | | detalj meča | M15 Hua | tvrda |
26.08.19 | Četvrtfinale | Seong Chan Hong/Sanhui Shin | Issei Okamura/Ryota Tanuma | 6-4, 7-5 | | detalj meča |
04.03.19 | 1. kolo | Adam Taylor/Jason Taylor | Issei Okamura/Ryota Tanuma | 7-62, 7-5 | | detalj meča | M25 Mildura | trava |
25.02.19 | 1. kolo | Issei Okamura/Ryota Tanuma | Charlie Emhardt/Anderson Reed | 7-611, 7-62 | | detalj meča | M25 Albury | trava |
25.02.19 | Četvrtfinale | Michael Look/Matthew Christopher Romios | Issei Okamura/Ryota Tanuma | 6-3, 7-64 | | detalj meča |
07.05.18 | Četvrtfinale | Chun Hun Wong/Pak Long Yeung | Issei Okamura/Ryota Tanuma | 6-1, 6-2 | | detalj meča | Vietnam F2 | tvrda |
07.05.18 | 1. kolo | Issei Okamura/Ryota Tanuma | Matthew Christopher Romios/Nitin Kumar Sinha | 6-74, 7-5, 10-6 | | detalj meča |
20.03.17 | 1. kolo | Shintaro Imai/Kaito Uesugi | Issei Okamura/Ryota Tanuma | 7-64, 6-3 | | detalj meča | Japan F3 | tvrda |
29.08.16 | 1. kolo | Yunseong Chung/Seong Chan Hong | Issei Okamura/Ryota Tanuma | 6-3, 6-3 | | detalj meča | Thailand F2 | tvrda |
22.08.16 | Četvrtfinale | Sanchai Ratiwatana/Sonchat Ratiwatana | Issei Okamura/Ryota Tanuma | 7-5, 6-3 | | detalj meča | Thailand F1 | tvrda |
22.08.16 | 1. kolo | Issei Okamura/Ryota Tanuma | Natthasith Kunsuwan/Nutdanai Sincharoenwattana | 6-4, 6-0 | | detalj meča |
18.07.16 | 1. kolo | Issei Okamura/Ryota Tanuma | Mukund Sasikumar/Ranjeet Virali-Murugesan | 6-4, 5-7, 10-5 | | detalj meča | China F13 | zemlja |
18.07.16 | Četvrtfinale | Thomas Fancutt/Mitchell William Robins | Issei Okamura/Ryota Tanuma | 6-3, 4-6, 10-6 | | detalj meča |
16.03.15 | 1. kolo | Jarryd Chaplin/Ben Mclachlan | Issei Okamura/Ryota Tanuma | 6-2, 6-1 | | detalj meča | Japan F2 | tvrda |