ITF - M15 Yanagawa 12/20 05:00 25 Ryota Tanuma v Hikaru Shiraishi 0-6,3-6
ITF - M15 Cuala Lumpur 12/02 02:00 28 Yeongseok Jeong v Ryota Tanuma 7-6,4-6,6-4
ITF - M15 Cuala Lumpur 12/01 02:00 27 Ryota Tanuma v Changli Zhang 2-6,6-4,6-1
ITF - M15 Cuala Lumpur 11/30 02:00 26 Duckhee Lee v Ryota Tanuma Retired
ITF - M15 Cuala Lumpur 11/29 01:30 25 Ryota Tanuma v Sheng Tang Retired
ITF - M15 Cuala Lumpur 11/28 01:30 62 Ryota Tanuma v Antoine Berger 3-6,7-5,10-0
ITF - M15 Ipoh Perak 11/25 01:30 28 Alexey Zakharov v Ryota Tanuma 6-3,6-2
ITF - M15 Ipoh Perak 11/24 02:30 27 Sora Fukuda v Ryota Tanuma Retired
ITF - M15 Ipoh Perak 11/23 04:30 26 Ryota Tanuma v Yuta Kawahashi 6-0,6-4
ITF - M15 Ipoh Perak 11/22 09:40 25 Patrik Oplustil v Ryota Tanuma 3-6,1-6
ITF - M15 Ipoh Perak 11/21 04:00 62 Ke Hau Hung v Ryota Tanuma 2-6,2-6
ITF - M15 Ipoh Perak 11/20 01:30 62 Junhyun Lee v Ryota Tanuma 2-6,2-6
ITF - M25 Hua Hin 11/16 03:00 26 Goncalo Oliveira v Ryota Tanuma 6-4,6-2
ITF - M25 Hua Hin 11/14 03:00 25 Credit Chaiyarin v Ryota Tanuma 3-6,1-6
UTR Pro - Noda 10/22 00:00 - Sora Fukuda v Ryota Tanuma 6-2,6-1
UTR Pro - Noda 10/21 00:00 - Taketo Takamisawa v Ryota Tanuma 5-7,6-1,3-6
UTR Pro - Noda 10/20 00:00 - Hiiro Sakamoto v Ryota Tanuma 0-6,2-6
UTR Pro - Noda 10/19 02:57 - Ziga Svec v Ryota Tanuma 2-6,2-6
UTR Pro - Noda 10/17 03:35 - Christopher Kosei Ono v Ryota Tanuma 2-6,2-6
UTR Pro - Noda 10/16 03:30 - Ryota Tanuma v Kusunoki Haruto 6-0,5-2
ITF - M25 Takasaki 09/21 02:00 26 Gage Brymer v Ryota Tanuma 6-1,6-4
ITF - M25 Takasaki 09/20 02:40 25 Ryota Tanuma v Mitsuki W K Leong 6-4,6-4
ITF - M25 Takasaki 09/20 02:30 25 Ryota Tanuma v Kosuke Ogura Cancelled
ITF - M25 Sapporo 09/13 01:00 25 Shuichi Sekiguchi v Ryota Tanuma 7-6,6-1
ITF - M25 Sapporo 09/07 00:50 26 Kokoro Isomura v Ryota Tanuma 6-4,6-3
ITF - M25 Sapporo 09/05 02:00 25 Ryota Tanuma v Yunseok Jang 6-4,7-5
Challenger - Yokkaichi 11/20 04:45 14 Keisuke Saitoh v Ryota Tanuma Retired
Challenger - Matsuyama 11/06 01:00 14 Ryota Tanuma v Naoki Nakagawa 3-6,4-6
Challenger - Yokohama 11/01 05:55 25 Damir Dzumhur v Ryota Tanuma 6-3,6-1
Challenger - Yokohama 10/31 01:30 19 Rimpei Kawakami v Ryota Tanuma 6-7,6-4,4-6