Nombre: Masaya Kobayashi
País: Japan
Fecha de nacimiento: 22.09.97, 28 años
Partidos totales: 74
ganar: 41
%: 55.41 %
País: Japan
Fecha de nacimiento: 22.09.97, 28 años
Partidos totales: 74
ganar: 41
%: 55.41 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 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 |
| porc. % | 55.41 % | 59.02 % | 20 % | 0 % | 66.67 % | 0 % | 0 % |
Masaya Kobayashi / programado / pasado
| No se encontraron partidos |
Masaya Kobayashi form / año 2017
Masaya Kobayashi / año 2017
| 26.12.17 | 1er ronda | Shintaro Imai | Masaya Kobayashi | 6-1, 6-1 |  | match details |  Hong Kong | Difícil |
| 24.12.17 | calif. | Masaya Kobayashi | Soichiro Moritani | 6-2, 6-2 |  | match details | ||
| 23.12.17 | c 1 | Masaya Kobayashi | Alafia Ayeni | 6-4, 6-75, 6-3 | | match details | ||
| 25.06.17 | 1er ronda | Evan Song | Masaya Kobayashi | 6-1, 3-0, Masaya Kobayashi - retirado | | match details | Hong Kong | Difícil |
| 26.06.17 | c 1 | Masaya Kobayashi | Kwok Yuen | 6-0, 6-0 | | match details | ||
| 26.06.17 | calif. | Masaya Kobayashi | Ki Lung Ng | 7-64, 6-3 | | match details | ||
| 05.06.17 | calif. | Ibuki Furuta | Masaya Kobayashi | 4-6, 7-65, 6-1 | | match details |  Japan F7 | Difícil |
| 05.06.17 | c 1 | Masaya Kobayashi | Kosuke Ogura | 6-1, 6-4 | | match details | ||
| 01.06.17 | 2da ronda | Takuto Niki | Masaya Kobayashi | 6-2, 6-3 | | match details | Japan F6 | Arcilla |
| 30.05.17 | 1er ronda | Masaya Kobayashi | Luca Castelnuovo | 6-4, 7-63 | | match details | ||
| 03.04.17 | 1er ronda | Sho Katayama | Masaya Kobayashi | 6-1, 6-2 | | match details | Japan F5 | Difícil |
| 29.03.17 | 1er ronda | Ken Onishi | Masaya Kobayashi | 6-4, 7-62 | | match details | Japan F4 | Difícil |
| 27.03.17 | calif. | Masaya Kobayashi | Keisuke Watanuki | 6-3, 6-2 | | match details | ||
| 27.03.17 | c 1 | Masaya Kobayashi | Tennojo Nakamura | 7-610, 6-3 | | match details | ||
| 27.03.17 | c 2 | Masaya Kobayashi | Aoran Wang | 7-64, 7-63 | | match details | ||
| 20.03.17 | 1er ronda | Chan-Yeong Oh | Masaya Kobayashi | 6-4, 6-2 | | match details | Japan F3 | Difícil |
| 20.03.17 | c 2 | Masaya Kobayashi | Yuta Kawahashi | 6-2, 7-5 | | match details | ||
| 20.03.17 | calif. | Masaya Kobayashi | Yunosuke Tanaka | 5-7, 6-2, 6-1 | | match details | ||
| 20.03.17 | c 1 | Masaya Kobayashi | Masaki Osafune | 7-64, 6-73, 6-4 | | match details | ||
| 14.03.17 | 1er ronda | Xin Gao | Masaya Kobayashi | 6-4, 6-2 | | match details | Japan F2 | Difícil |
| 09.03.17 | 2da ronda | Wishaya Trongcharoenchaikul | Masaya Kobayashi | 6-0, 6-3 | | match details | Japan F1 | Difícil |
| 07.03.17 | 1er ronda | Masaya Kobayashi | Soichiro Moritani | 6-3, 6-4 | | match details | ||
| 06.03.17 | c 2 | Masaya Kobayashi | Yuto Sakai | 7-68, 7-5 | | match details | ||
| 06.03.17 | calif. | Masaya Kobayashi | Naru Shirafuji | 7-5, 6-2 | | match details | ||
| 06.03.17 | c 1 | Masaya Kobayashi | Tetsuro Habusawa | 6-2, 6-4 | | match details | ||
| 22.02.17 | 1er ronda | Dayne Kelly | Masaya Kobayashi | 6-1, 6-2 | | match details |  Indonesia F3 | Difícil |
| 15.02.17 | 1er ronda | Sebastian Fanselow | Masaya Kobayashi | 6-3, 6-3 | | match details | Indonesia F2 | Difícil |
| 13.02.17 | calif. | Masaya Kobayashi | Mohd Assri Merzuki | 6-1, 7-5 | | match details | ||
| 13.02.17 | c 2 | Masaya Kobayashi | Morgan Johansson | 7-62, 6-2 | | match details | ||
| 10.02.17 | 2da ronda | Shintaro Imai | Masaya Kobayashi | 4-6, 6-2, 7-69 | | match details | Indonesia F1 | Difícil |
| 07.02.17 | 1er ronda | Masaya Kobayashi | Kelsey Stevenson | 6-3, 6-4 | | match details | ||
| 06.02.17 | c 2 | Masaya Kobayashi | Filip Jakob Zupancic | 6-2, 6-1 | | match details | ||
| 06.02.17 | calif. | Masaya Kobayashi | Morgan Johansson | 7-64, 6-4 | | match details |