Japan
22.09.97, 27 years
22.09.97, 27 years
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Masaya Kobayashi vs. Daisuke Sumizawa - head to head matches
| 06.06.16 | q 1 | Masaya Kobayashi | Daisuke Sumizawa | 6-2, 7-65 | match details |  Japan F7 | Hard |
Masaya Kobayashi form & Daisuke Sumizawa form
Masaya Kobayashi - last matches
| M15 Karuizawa - Clay | ||||
| 26.05.19 q 1 | vs. Jake Delaney | 0-6, 5-7 |  | match details |
| M15 Kofu - Hard | ||||
| 17.03.19 q 1 | vs. Shunrou Takeshima | 2-6, 1-6 | | match details |
| M15 Nishi - Hard | ||||
| 12.03.19 qual. | vs. Gengo Kikuchi | 6-4, 5-7, 6-10 | | match details |
| 10.03.19 q 1 | vs. Ching-Mou Yu | 6-2, 6-2 |  | match details |
| Japan F8 - Carpet | ||||
| 12.06.18 1st round | vs. Gengo Kikuchi | 0-6, 1-6 | | match details |
| 11.06.18 qual. | vs. Ryuhei Azuma | 6-0, 7-5 | | match details |
| 09.06.18 q 1 | vs. Steven Goh | 3-6, 6-3, 6-0 | | match details |
| 09.06.18 q 2 | vs. Taisei Miyamoto | 6-3, 6-3 | | match details |
| Japan F7 - Clay | ||||
| 02.06.18 q 1 | vs. Kazuki Shimizu | 6-76, 3-6 | | match details |
| Japan F6 - Hard | ||||
| 08.04.18 q 2 | vs. Ryota Kishi | 2-6, 1-6 | | match details |
| 07.04.18 q 1 | vs. Kaito Muranishi | 7-5, 6-3 | | match details |
| Japan F3 - Hard | ||||
| 21.03.18 2nd round | vs. Min-Kyu Song | 1-6, - Masaya Kobayashi - retired | | match details |
| 19.03.18 1st round | vs. Takashi Saito | 6-4, 4-6, 6-4 | | match details |
| Japan F2 - Hard | ||||
| 12.03.18 1st round | vs. Kento Takeuchi | 3-6, 6-4, 3-6 | | match details |
| Japan F1 - Hard | ||||
| 05.03.18 qual. | vs. Gengo Kikuchi | 2-6, 5-7 | | match details |
| 04.03.18 q 2 | vs. Tomohiro Masabayashi | 6-1, 3-6, 7-5 | | match details |
| 03.03.18 q 1 | vs. Masahiro Fukuda | 6-2, 6-2 | | match details |
 Turkey F7 - Hard | ||||
| 21.02.18 1st round | vs. Attila Balazs | 1-6, 3-6 | | match details |
| 19.02.18 qual. | vs. Bogdan Ionut Apostol | 4-6, 6-3, 4-6 | | match details |
| 18.02.18 q 2 | vs. Michiel De Krom | 6-2, 6-1 | | match details |
| 17.02.18 q 1 | vs. Dmitry Myagkov | 6-2, 6-3 | | match details |
| Turkey F6 - Hard | ||||
| 12.02.18 qual. | vs. Sho Shimabukuro | 7-66, 3-6, 2-6 | | match details |
| 11.02.18 q 2 | vs. Felipe Meligeni Alves | 6-2, 6-1 | | match details |
| 10.02.18 q 1 | vs. Mert Alkaya | 6-3, 6-3 | | match details |
 Hong Kong - Hard | ||||
| 03.01.18 2nd round | vs. Shintaro Imai | 3-6, 0-6 | | match details |
| 01.01.18 1st round | vs. Chien-Hsun Lo | 6-3, 5-2, Chien-Hsun Lo - retired | | match details |
| 31.12.17 qual. | vs. Andrea Bessire | 7-5, 6-0 | | match details |
| 30.12.17 q 1 | vs. Tsung-Hao Huang | 7-64, 6-4 | | match details |
| Hong Kong - Hard | ||||
| 26.12.17 1st round | vs. Shintaro Imai | 1-6, 1-6 | | match details |
| 24.12.17 qual. | vs. Soichiro Moritani | 6-2, 6-2 | | match details |
Daisuke Sumizawa - last matches
| M15 Osaka - Hard | ||||
| 24.04.25 2nd round | vs. Koki Matsuda | 6-3, 4-6, 6-75 | | match details |
| 23.04.25 1st round | vs. Kosuke Ogura | 6-1, 5-7, 7-69 | | match details |
| M15 Kashiwa - Hard | ||||
| 04.04.25 2nd round | vs. Shunsuke Nakagawa | 6-75, 6-2, 2-6 | | match details |
| 01.04.25 1st round | vs. Hiromasa Koyama | 6-2, 4-6, 6-1 | | match details |
| 31.03.25 qual. | vs. Shunsuke Nakagawa | 6-1, 6-4 | | match details |
| 30.03.25 q 1 | vs. Seiya Nakanishi | 3-6, 6-3, 10-6 | | match details |
| M15 Hinode - Hard | ||||
| 13.03.25 2nd round | vs. Takuya Kumasaka | 6-3, 3-6, 5-7 | | match details |
| 13.03.25 1st round | vs. Ryusuke Horiuchi | 6-2, 6-2 | | match details |
 M15 Maanshan - I. hard | ||||
| 05.03.25 1st round | vs. Woobin Shin | 4-6, 4-6 | | match details |
| 03.03.25 q 2 | vs. Junhyun Lee | 6-2, 6-1 | | match details |
| 03.03.25 qual. | vs. Seungmin Park | 6-3, 4-6, 10-3 | | match details |
| 02.03.25 q 1 | vs. Yanjie Zheng | 6-4, 6-1 | | match details |
| M15 Maanshan - I. hard | ||||
| 26.02.25 1st round | vs. Koki Matsuda | 2-6, 4-6 | | match details |
| 24.02.25 q 2 | vs. Yitao Cao | 6-1, 6-3 | | match details |
| 24.02.25 qual. | vs. Shaoyun Liu | 6-3, 6-4 | | match details |
| 23.02.25 q 1 | vs. Ren Nakamura | 6-1, 6-2 | | match details |
 M25 Bali - Hard | ||||
| 02.01.25 2nd round | vs. Chase Ferguson | 3-6, 2-6 | | match details |
| 01.01.25 1st round | vs. Yusuke Kusuhara | 6-3, 6-0 | | match details |
| M15 Bali - Hard | ||||
| 24.12.24 1st round | vs. Tomohiro Masabayashi | 4-6, 7-60, 2-6 | | match details |
| 23.12.24 qual. | vs. Chase Ferguson | 6-2, 1-1, Chase Ferguson - retired | | match details |
| 22.12.24 q 1 | vs. Renaldi Aqila Arifadli Salim | 6-1, 6-0 | | match details |
 M25 Carrara - Hard | ||||
| 26.11.24 qual. | vs. Ryan Fishback | 6-74, 4-6 | | match details |
| 25.11.24 q 2 | vs. Lachlan Mcfadzean | 6-2, 6-3 | | match details |
| M25 Caloundra - Hard | ||||
| 21.11.24 1st round | vs. Kody Pearson | 7-5, 1-6, 2-6 | | match details |
| 19.11.24 qual. | vs. Thomas Braithwaite | 6-3, 6-1 | | match details |
| 18.11.24 q 2 | vs. Rohan Hazratwala | 6-4, 6-2 | | match details |
| M15 Yanagawa - Hard | ||||
| 30.10.24 1st round | vs. Ryusuke Horiuchi | 3-6, 0-2, - Daisuke Sumizawa - retired | | match details |
| M15 Tanagura - Hard | ||||
| 25.10.24 1/4 | vs. Ryotaro Matsumura | 2-6, 1-6 | | match details |
| 24.10.24 1st round | vs. Credit Chaiyarin | 7-610, 6-4 | | match details |
| 24.10.24 2nd round | vs. Seungmin Park | 7-68, 6-1 | | match details |