Nombre: Masaki Osafune
País: Japan
Fecha de nacimiento: 07.03.95, 31 años
Partidos totales: 81
ganar: 43
%: 53.09 %
País: Japan
Fecha de nacimiento: 07.03.95, 31 años
Partidos totales: 81
ganar: 43
%: 53.09 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2018 | 6/5 | 5/4 | 0/0 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2017 | 18/11 | 16/8 | 1/1 | 0/0 | 1/2 | 0/0 | 0/0 |
| 2016 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 11/11 | 6/6 | 3/3 | 0/1 | 2/1 | 0/0 | 0/0 |
| 2014 | 3/3 | 1/2 | 0/0 | 0/0 | 2/1 | 0/0 | 0/0 |
| 2013 | 4/6 | 4/4 | 0/0 | 0/0 | 0/2 | 0/0 | 0/0 |
| 2012 | 0/1 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| TOTAL | 43/38 | 33/25 | 4/4 | 0/1 | 6/8 | 0/0 | 0/0 |
| porc. % | 53.09 % | 56.9 % | 50 % | 0 % | 42.86 % | 0 % | 0 % |
Masaki Osafune / programado / pasado
| No se encontraron partidos |
Masaki Osafune form / año 2017
Masaki Osafune / año 2017
| 11.11.17 | c 1 | Yuto Sakai | Masaki Osafune | 7-64, 1-6, 6-1 |  | match details |  Toyota Challenger | Alfombra |
| 21.06.17 | 2da ronda | Yuichi Ito | Masaki Osafune | 6-2, 6-4 | | match details |  Guam F1 | Difícil |
| 20.06.17 | 1er ronda | Masaki Osafune | Steven Goh | 6-3, 6-4 |  | match details | ||
| 12.06.17 | c 1 | Masaki Osafune | Hideo Asakura | 6-0, 6-1 | | match details | Japan F8 | Alfombra |
| 12.06.17 | c 2 | Daisuke Sumizawa | Masaki Osafune | 6-1, 3-1, Masaki Osafune - retirado | | match details | ||
| 06.06.17 | 1er ronda | Renta Tokuda | Masaki Osafune | 6-1, 3-6, 6-1 | | match details | Japan F7 | Difícil |
| 05.06.17 | c 1 | Masaki Osafune | Mark Verryth | 6-4, 3-2, Mark Verryth - retirado | | match details | ||
| 05.06.17 | calif. | Masaki Osafune | Shoma Kato | 6-3, 6-3 | | match details | ||
| 29.05.17 | c 1 | Masaki Osafune | Shoma Saito | 6-74, 6-1, 6-3 | | match details | Japan F6 | Arcilla |
| 29.05.17 | calif. | Yuki Matsuo | Masaki Osafune | 7-65, 6-2 | | match details | ||
| 17.05.17 | 2da ronda | Dayne Kelly | Masaki Osafune | 6-1, 6-1 | | match details |  China F7 | Difícil |
| 16.05.17 | 1er ronda | Masaki Osafune | Jui-Chen Hung | 6-2, 1-6, 6-2 | | match details | ||
| 15.05.17 | c 1 | Masaki Osafune | Louis Clark | 6-1, 7-5 | | match details | ||
| 15.05.17 | c 2 | Masaki Osafune | Calum Puttergill | 7-5, 6-1 | | match details | ||
| 15.05.17 | calif. | Masaki Osafune | Chukang Wang | 5-7, 6-4, 6-1 | | match details | ||
| 08.05.17 | 1er ronda | Yan Bai | Masaki Osafune | 6-2, 6-2 | | match details | China F6 | Difícil |
| 08.05.17 | c 2 | Masaki Osafune | Liran Chen | 6-3, 6-3 | | match details | ||
| 08.05.17 | calif. | Masaki Osafune | Kazuma Kawachi | 6-2, 6-4 | | match details | ||
| 08.05.17 | c 1 | Masaki Osafune | Xiao Gong | 0-6, 6-4, 7-5 | | match details | ||
| 30.03.17 | 2da ronda | Ryota Tanuma | Masaki Osafune | 7-5, 3-6, 6-3 | | match details | Japan F4 | Difícil |
| 29.03.17 | 1er ronda | Masaki Osafune | Arata Onozawa | 6-6, Arata Onozawa - retirado | | match details | ||
| 27.03.17 | c 1 | Masaki Osafune | Hiromasa Oku | 6-1, 6-0 | | match details | ||
| 27.03.17 | c 2 | Masaki Osafune | Shu Saito | 7-63, 6-2 | | match details | ||
| 27.03.17 | calif. | Masaki Osafune | Rio Noguchi | 1-6, 7-65, 6-3 | | match details | ||
| 20.03.17 | c 1 | Masaya Kobayashi | Masaki Osafune | 7-64, 6-73, 6-4 | | match details | Japan F3 | Difícil |
| 13.03.17 | c 2 | Kittiphong Wachiramanowong | Masaki Osafune | 6-3, 6-4 | | match details | Japan F2 | Difícil |
| 13.03.17 | c 1 | Masaki Osafune | Artem Vu | 6-2, 6-1 | | match details | ||
| 06.03.17 | c 1 | Masaki Osafune | Tadayuki Longhi | 6-1, 6-1 | | match details | Japan F1 | Difícil |
| 06.03.17 | c 2 | Keisuke Watanuki | Masaki Osafune | 7-64, 0-6, 6-2 | | match details |