29.01.25 | 1er ronda | Matthew Christopher Romios/Colin Sinclair | Shinji Hazawa/Yuta Shimizu | 6-4, 3-6, 10-2 |  | match details | Brisbane 1 | Difícil |
15.11.23 | 1er ronda | Purav Raja/Ramkumar Ramanathan | Shinji Hazawa/Yuta Shimizu | 6-76, 6-4, 10-5 |  | match details | Kobe Challenger | I. difícil |
06.04.23 | 1/4 | Sho Katayama/Takeru Yuzuki | Shinji Hazawa/Yuta Shimizu | 6-0, 6-3 |  | match details | M25 Kashiwa | Difícil |
04.04.23 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Shohei Chikami/Tomohiro Masabayashi | 7-5, 3-6, 10-7 |  | match details |
02.03.23 | 1/4 | Evan King/Mitchell Krueger | Shinji Hazawa/Yuta Shimizu | 6-4, 6-3 |  | match details | Waco Challenger | Difícil |
01.03.23 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Martin Breysach/Zsombor Velcz | 6-2, 6-4 |  | match details |
10.02.23 | 1/2 | Calum Puttergill/Adam Walton | Shinji Hazawa/Yuta Shimizu | 7-64, 6-3 |  | match details | M25 Burnie | Difícil |
09.02.23 | 1/4 | Shinji Hazawa/Yuta Shimizu | Rio Noguchi/Daisuke Sumizawa | 6-1, 5-7, 10-8 |  | match details |
07.02.23 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Sam Oster/Derek Pham | 6-0, 6-1 |  | match details |
03.02.23 | 1/2 | Marc Polmans/Max Purcell | Shinji Hazawa/Yuta Shimizu | 7-68, 7-63 |  | match details | Burnie Challenger | Difícil |
03.02.23 | 1/4 | Shinji Hazawa/Yuta Shimizu | Shuichi Sekiguchi/Yasutaka Uchiyama | 6-3, 3-6, 10-6 |  | match details |
01.02.23 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Adam Taylor/Jason Taylor | 6-4, 6-4 |  | match details |
19.11.22 | fin | Shinji Hazawa/Yuta Shimizu | Andrew Harris/John-Patrick Smith | 6-4, 6-4 |  | match details | Kobe Challenger | I. difícil |
18.11.22 | 1/2 | Shinji Hazawa/Yuta Shimizu | Toshihide Matsui/Kaito Uesugi | 7-62, 6-2 |  | match details |
17.11.22 | 1/4 | Shinji Hazawa/Yuta Shimizu | Taisei Ichikawa/Seita Watanabe | 6-4, 6-2 |  | match details |
16.11.22 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Vlad Victor Cornea/Zdenek Kolar | 6-4, 4-6, 10-4 |  | match details |
30.04.22 | fin | Shinji Hazawa/Yuta Shimizu | Pruchya Isarow/Thantub Suksumrarn | 7-62, 6-1 |  | match details | M15 Chiang | Difícil |
29.04.22 | 1/2 | Shinji Hazawa/Yuta Shimizu | Omar Jasika/Chanchin Sookton-Eng | Omar Jasika/Chanchin Sookton-Eng - walk over |  | match details |
28.04.22 | 1/4 | Shinji Hazawa/Yuta Shimizu | Congsup Congcar/Nam Hoang Ly | 6-4, 7-61 |  | match details |
26.04.22 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Kazuma Kawachi/Takuto Niki | 6-4, 6-3 |  | match details |
19.04.22 | 1er ronda | Naoki Tajima/Ryota Tanuma | Shinji Hazawa/Yuta Shimizu | 6-3, 4-6, 10-8 |  | match details | M15 Chiang | Difícil |
06.11.19 | 1er ronda | Cheng-Peng Hsieh/Tsung-Hua Yang | Shinji Hazawa/Yuta Shimizu | Shinji Hazawa/Yuta Shimizu - walk over |  | match details | Kobe Challenger | I. difícil |
24.06.19 | fin | Sanchai Ratiwatana/Sonchat Ratiwatana | Shinji Hazawa/Yuta Shimizu | 7-66, 6-3 |  | match details | M25 Yinchuan | Difícil |
24.06.19 | 1/4 | Shinji Hazawa/Yuta Shimizu | Arturs Lazdins/Chukang Wang | 6-2, 6-3 |  | match details |
24.06.19 | 1/2 | Shinji Hazawa/Yuta Shimizu | Xin Gao/Runhao Hua | 6-4, 6-3 |  | match details |
24.06.19 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Qun Gao/Bingyu Yu | 6-3, 6-2 |  | match details |
01.04.19 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Yu Hsiou Hsu/Shintaro Imai | 7-62, 2-6, 10-1 |  | match details | M15 Kashiwa | Difícil |
01.04.19 | 1/4 | Yusuke Takahashi/Jumpei Yamasaki | Shinji Hazawa/Yuta Shimizu | 3-6, 6-1, 10-5 |  | match details |
15.11.18 | 1/4 | Zhe Li/Go Soeda | Shinji Hazawa/Yuta Shimizu | 6-3, 6-4 |  | match details | Kobe Challenger | I. difícil |
12.11.18 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Moez Echargui/Jelle Sels | 6-2, 6-3 |  | match details |
02.04.18 | fin | Renta Tokuda/Jumpei Yamasaki | Shinji Hazawa/Yuta Shimizu | 3-6, 6-4, 10-7 |  | match details | Japan F5 | Difícil |
02.04.18 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Yuki Matsuo/Daisuke Sumizawa | 4-6, 6-3, 10-5 |  | match details |
02.04.18 | 1/4 | Shinji Hazawa/Yuta Shimizu | Yuuya Kibi/Takuto Niki | 6-73, 7-63, 10-4 |  | match details |
02.04.18 | 1/2 | Shinji Hazawa/Yuta Shimizu | Shintaro Imai/Soichiro Moritani | 6-3, 6-2 |  | match details |
05.03.18 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Naoki Nakagawa/Jumpei Yamasaki | 6-2, 7-64 |  | match details | Japan F1 | Difícil |
05.03.18 | 1/4 | Sho Katayama/Soichiro Moritani | Shinji Hazawa/Yuta Shimizu | 1-6, 6-3, 10-4 |  | match details |
08.01.18 | 1er ronda | Shinji Hazawa/Yuta Shimizu | Tian Yi Hu/Sheng Tang | 6-4, 6-2 |  | match details | China F1 | Arcilla |
08.01.18 | 1/4 | Shinji Hazawa/Yuta Shimizu | Tyler Lu/Issei Okamura | 4-6, 6-3, 10-5 |  | match details |
08.01.18 | fin | Rigele Te/Aoran Wang | Shinji Hazawa/Yuta Shimizu | 7-5, 7-63 |  | match details |
08.01.18 | 1/2 | Shinji Hazawa/Yuta Shimizu | Yuanfeng Li/Ryota Tanuma | 6-4, 6-3 |  | match details |
07.11.17 | 1er ronda | Yuuya Kibi/Ken Onishi | Shinji Hazawa/Yuta Shimizu | 6-4, 6-4 |  | match details | Kobe Challenger | I. difícil |