ITF M15 Yanagawa 12/28 01:00 26 Sho Katayama v Jay D H Friend 3-6,5-7
ITF M15 Yanagawa 12/27 02:25 25 Hikaru Shiraishi v Sho Katayama Retired
Challenger Matsuyama 11/07 03:25 25 Sho Katayama v Geoffrey Blancaneaux 0-6,4-6
Challenger Matsuyama 11/08 04:50 25 Yu Hsiou Hsu v Sho Katayama 7-5,6-4
ITF M15 Akishima 06/14 01:00 27 Ryohei Tagata v Sho Katayama 7-6,6-4
ITF M15 Akishima 06/13 01:00 26 Kosuke Okagaki v Sho Katayama 3-6,3-6
ITF M15 Akishima 06/12 01:00 25 Sho Katayama v Kento Takeuchi 6-0,6-4
ITF M15 Guam 06/07 01:35 27 Sho Katayama v Hiroyasu Ehara 3-6,4-6
ITF M15 Guam 06/06 00:00 26 Sho Katayama v Naoki Takeda 7-6,6-1
ITF M15 Guam 06/04 01:55 25 Sho Katayama v Tomohiro Masabayashi 6-4,7-6
ITF M25 Matsuyama 04/10 03:30 25 Takuto Niki v Sho Katayama 6-2,6-3
ITF M15 Kofu 03/21 04:40 26 Takuto Niki v Sho Katayama 4-6,7-6,6-4
ITF M15 Kofu 03/20 07:15 25 Seita Watanabe v Sho Katayama 3-6,2-6
ITF M15 Nishi-Tokyo 03/12 03:20 45 Ryota Tanuma v Sho Katayama 6-4,2-6,10-5
ITF M15 Nishi-Tokyo 03/11 01:00 45 Shota Tange v Sho Katayama 3-6,3-6
ITF M15 Nishi-Tama 03/07 04:00 26 Shintaro Imai v Sho Katayama 6-2,6-3
ITF M15 Nishi-Tama 03/06 02:25 25 Sho Katayama v Yuta Kawahashi 6-3,6-1
ITF M15 Nishi-Tama 03/05 03:00 45 Sho Katayama v Yuta Kawahashi 4-6,5-7
ITF M15 Nishi-Tama 03/05 01:00 45 Sho Katayama v Masayoshi Ono 6-4,6-4
ITF Canada F7 09/12 14:00 26 Jack Findel-Hawkins v Sho Katayama 6-3,6-3
ITF Canada F7 09/11 19:45 25 Emmett Ward v Sho Katayama 1-6,1-6
ITF Canada F6 09/04 17:00 25 Alafia Ayeni v Sho Katayama 6-2,6-7,6-4
ITF Guam F1 06/22 00:00 27 [350] Hiroyasu Ehara v Sho Katayama [482] 7-6,6-4
ITF Guam F1 06/20 02:10 26 Jeremy Sonkin v Sho Katayama 6-7,5-7
ITF Guam F1 06/18 00:00 25 Ken Onoda v Sho Katayama 3-6,2-6
ITF Japan F8 06/16 02:00 28 Gengo Kikuchi v Sho Katayama 6-4,7-5
ITF Japan F8 06/15 04:05 27 Sho Katayama v Kaito Uesugi 6-3,7-6
ITF Japan F8 06/14 02:50 26 Sho Katayama v Keisuke Watanuki 6-2,6-0
ITF Japan F8 06/12 01:00 25 Sho Katayama v Haru Inoue 6-1,6-4
ITF China F8 06/08 04:10 27 [438] Sho Katayama v Hiroyasu Ehara [340] 0-6,2-6