Name: Masaya Kobayashi
Country: Japan
Birthdate: 22.09.97, 26 years
Matches total: 74
Win: 41
%: 55.41 %
Country: Japan
Birthdate: 22.09.97, 26 years
Matches total: 74
Win: 41
%: 55.41 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 1/3 | 1/2 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 14/10 | 11/8 | 0/1 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2017 | 21/12 | 20/11 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 5/8 | 4/4 | 0/1 | 0/2 | 1/1 | 0/0 | 0/0 |
| TOTAL | 41/33 | 36/25 | 1/4 | 0/2 | 4/2 | 0/0 | 0/0 |
| perc. % | 55.41 % | 59.02 % | 20 % | 0 % | 66.67 % | 0 % | 0 % |
Masaya Kobayashi / scheduled / last
| no matches found |
Masaya Kobayashi form / surface: Carpet
Masaya Kobayashi / surface: Carpet
| 12.06.18 | 1st round | Gengo Kikuchi | Masaya Kobayashi | 6-0, 6-1 |  | match details |  Japan F8 | Carpet |
| 11.06.18 | qual. | Masaya Kobayashi | Ryuhei Azuma | 6-0, 7-5 |  | match details | ||
| 09.06.18 | q 1 | Masaya Kobayashi | Steven Goh | 3-6, 6-3, 6-0 | | match details | ||
| 09.06.18 | q 2 | Masaya Kobayashi | Taisei Miyamoto | 6-3, 6-3 | | match details | ||
| 12.11.16 | q 2 | Yong-Kyu Lim | Masaya Kobayashi | 6-2, 6-3 | | match details | Toyota Challenger | Carpet |
| 12.11.16 | q 1 | Masaya Kobayashi | Ryota Tanuma | 6-3, 6-3 | | match details |
