Japanese
Kosuke Matsuura
Date of Birth : Sep 4, 1979
Aichi, Japan
Height : 170cm
Weight : 73kg
Blood Group : RH+A
http://www.kosukematsuura.com
Natsu Sakaguchi
Date of Birth : Sep 8, 1995
Fukuoka, Japan
Height : 172cm
Weight : 64kg
Blood Group : RH+A
https://natsu-sakaguchi.com
| 1993 | |
| 1997 | |
| 1997 | |
| 1998 | |
| 2000 | |
| 2002 | |
| 2004 | |
| 2011 | |
| 2013 | |
| 2019 |
| 2003 | |
| 2008 | |
| 2009 | |
| 2010 | |
| 2011 | |
| 2013 | |
| 2014 | |
| 2017 | |
| 2018 | |
| 2019 | |
| 2020 |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2008 | GT500 | 18 (19) | ||
| 2009 | GT500 | 17 (5) | ||
| 2010 | GT300 | 10 (22) | ||
| 2011 | GT300 | 12 (26) | ||
| 2012 | GT300 | 9 (33) | ||
| 2013 | GT500 | 11 (31) | 1 (R4) | |
| 2014 | GT500 | 16 (14) | ||
| 2015 | GT500 | 14 (10) | ||
| 2016 | GT500 | 15 (16) | ||
| 2017 | GT500 | 11 (32) | 1 (R6) | |
| 2018 | GT500 | 19 (4) | ||
| 2019 | GT300 | 22 (13) | ||
| 2020 | GT300 | 15 (15) |
| Year | Class | Machine | Rank | Win |
|---|---|---|---|---|
| 2017 | GT300 | 22 (3) | ||
| 2018 | GT300 | 20 (4) | ||
| 2019 | GT300 | 21 (15) | ||
| 2020 | GT300 | 14 (19) |
Supervisor
Chief Engineer
| Entrant Name | JLOC | |
|---|---|---|
| Supervisor | ||
| Representative | ||
| Company | ||
| Website | ||
| Main Sponsor | ||
| Sponsor |
| Name | GRANSEED LAMBORGHINI GT3 | |
|---|---|---|
| Based Vehicle | Lamborghini HURACAN GT3（HURACAN GT3） | |
| Chief Engineer |
| Car Model | Lamborghini HURACAN GT3（HURACAN GT3） | |
|---|---|---|
| Dimensions | 4460×2050mm | |
| Weight | ||
| Wheelbase | ||
| Treads | ||
| Transmission | ||
| Clutch | ||
| Suspension F | ||
| R | ||
| Brakes F | ||
| R | ||
| Tires | ||
| F | ||
| R | ||
| Wheels | ||
| F | ||
| R |
| Engine Model | ||
|---|---|---|
| Type | ||
| Displacement | ||
| Bore & Stroke | ||
| Ristrictor( size & number ) | ||
| Max Power( ps / rpm ) | ||
| Max Torque( kg-m / rpm ) | ||
| Lubricant( brand ) |
| Engine Tuner | ||
|---|---|---|
| Machine Maintenance |
| 4/13-14 | Round1 OKAYAMA | |
| 5/03-04 | Round2 FUJI | |
| 6/01-02 | Round3 SUZUKA | |
| 8/03-04 | Round4 FUJI | |
| 9/21-22 | Round6 SUGO | |
| 10/19-20 | Round7 AUTOPOLIS | |
| 11/02-03 | Round8 MOTEGI | |
 |
12/07-08 | Round5 SUZUKA |