2015 F4 Japanese Championship

The 2015 F4 Japanese Championship was the inaugural season of the F4 Japanese Championship. It began on 4 April in Okayama and finished on 15 November on Twin Ring Motegi after seven double header rounds.

Teams and drivers

Team	No.	Driver	Rounds
Japan Hanashima Racing	2	Japan Katsuaki Kubota	1–2, 7
Japan Shuma Sato	3–5
Japan Sutekina Racing Team	3	Japan Takahiro Ban	1
Japan Miku Ikejima	2–3
Japan Sena Sakaguchi	4–7
Japan RS Fine	4	Japan Shunsuke Kohno	All
5	Japan Yuya Hiraki	All
Japan Clear Corporation	6	Japan Masanori Yonekura	1, 3–4, 6
Japan Honda Formula Dream Project	7	Japan Hiroki Otsu	All
8	Japan Yuta Kamimura	All
9	Japan Mizuki Ishizaka	All
10	Japan Katsuhide Kaneishi	All
Japan Rn-sports	11	Japan Tadasuke Makino	All
57	Japan Nobuhiro Yoshida	6
Japan Team A-ONE with SECNA	12	Japan Yuki Shiraishi	1–4, 6
Hong Kong KCMG	14	Japan Yuki Nemoto	All
18	New Zealand James Munro	1–2
Hong Kong Paul Ip	3
Japan Media Do Kageyama Racing	16	Japan Tsubasa Mekaru	1–5
Japan ARN Racing	17	Japan Hiroaki Nagai	5–7
Italy VSR Lamborghini S.C.Formula Jr	19	Japan Takuro Shinohara	All
63	Brazil Nicolas Costa	1–4
Brazil Gustavo Myasava	5–7
Japan miNami aoYama with SARD	20	Japan Kotoka Goibuchi	2, 4
Japan Ayaka Imahashi	3, 5
Japan Miki Koyama	6–7
28	Japan Yoshiaki Katayama	1–2
39	Japan Junpei Kato	All
Japan RSS	21	Japan Turbo Asahi	3–4, 7
22	Japan Ritomo Miyata	5–7
Japan N-SPEED	23	Japan Yugo Tanabe	All
Japan Mars Racing Factory	24	Japan Hideki Nakahara	7
Japan Field Motorsport	25	Japan Tomoki Takahashi	2–4, 7
55	Japan Takashi Hata	1–2, 4, 6–7
75	Japan Yuya Tezuka	All
Japan Zap Speed Racing Team	27	South Korea Hwang Do-yun	1–4, 7
Japan Shunsuke Sato	32	Japan Shunsuke Sato	4
Japan Sfida Racing Team	34	Japan "Flying Rat"	2–4
35	Australia "Motor Mouse"	2–4
Japan TOM'S Spirit	36	Japan Sho Tsuboi	All
37	Japan Kazuto Kotaka	2–7
Japan Garage Chabatake	38	Japan Ryo Yamada	1–3
Japan Tsuyoshi Tajima	5, 7
Japan Buzz International	44	Japan View Yamauchi	All
45	Japan Yosuke Yamazaki	7
Japan B-Max Racing Team	50	Japan Shinnosuke Yamada	All
51	Japan Yuichi Mikasa	All
Japan Saitama Toyopet GreenBrave	52	Japan Taku Bamba	1–3, 5–7
Japan Le Beausset Motorsports	62	Japan Noa Satomi	All
Japan Skill Speed	66	Japan Riku Hashimoto	All
Japan leprix sport	70	Japan Tsubasa Amano	2–7
Japan NRS	80	Japan Yudai Jinkawa	1
Japan Satoshi Kosugi	2
81	Japan Musashi Nakanishi	2–3
Japan Yuichi Sasaki	7
Japan Succeed Sports	88	Japan Shintaro Kawabata	All
89	Japan Takahiro Ban	3–5
Japan Ryota Kiyohara	6–7

Race calendar and results

The calendar was published on 19 January 2015. All rounds were held in Japan and were part of the Super GT events.

Round	Circuit	Date	Pole position	Fastest lap	Winning driver	Winning team
1	R1	Okayama International Circuit, Mimasaka	4 April	Japan Sho Tsuboi	Japan Tadasuke Makino	Japan Tadasuke Makino	Japan Rn-sports
R2	5 April	Japan Tsubasa Mekaru	Japan Tadasuke Makino	Japan Tadasuke Makino	Japan Rn-sports
2	R1	Fuji Speedway, Oyama	2 May	Japan Tadasuke Makino	Japan Sho Tsuboi	Japan Sho Tsuboi	Japan TOM'S Spirit
R2	3 May	Japan Tadasuke Makino	Japan Sho Tsuboi	Japan Tadasuke Makino	Japan Rn-sports
3	R1	Fuji Speedway, Oyama	8 August	Japan Katsuhide Kaneishi	Japan Yuya Hiraki	Japan Tadasuke Makino	Japan Rn-sports
R2	9 August	Japan Katsuhide Kaneishi	Japan Yuya Hiraki	Japan Sho Tsuboi	Japan TOM'S Spirit
4	R1	Suzuka Circuit, Suzuka	29 August	Japan Sho Tsuboi	Japan Yuya Hiraki	Japan Sho Tsuboi	Japan TOM'S Spirit
R2	30 August	Japan Tadasuke Makino	Japan Tadasuke Makino	Japan Sho Tsuboi	Japan TOM'S Spirit
5	R1	Sportsland SUGO, Murata	19 September	Japan Sho Tsuboi	Japan Shunsuke Kohno	Japan Sho Tsuboi	Japan TOM'S Spirit
R2	20 September	Japan Sho Tsuboi	Japan Sena Sakaguchi	Japan Sho Tsuboi	Japan TOM'S Spirit
6	R1	Autopolis, Hita	31 October	Japan Hiroki Otsu	Japan Sho Tsuboi	Japan Sho Tsuboi	Japan TOM'S Spirit
R2	1 November	Japan Yuya Hiraki	Japan Kazuto Kotaka	Japan Shinnosuke Yamada	Japan B-Max Racing Team
7	R1	Twin Ring Motegi, Motegi	14 November	Japan Yuki Nemoto	Japan Yuta Kamimura	Japan Tadasuke Makino	Japan Rn-sports
R2	15 November	Japan Tadasuke Makino	Japan Sho Tsuboi	Japan Tadasuke Makino	Japan Rn-sports

Championship standings

Drivers' Championships

Only the best eleven results counted towards the championship. Points were awarded as follows:

Position	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
Points	20	15	12	10	8	6	4	3	2	1

Overall

Pos	Driver	OKA	FUJ1	FUJ2	SUZ	SUG	AUT	MOT	Points
Pos Driver OKA FUJ1 FUJ2 SUZ SUG AUT MOT Points 1 Japan Sho Tsuboi 2 2 1 9 4 1 1 1 1 1 1 17 5 2 195 2 Japan Tadasuke Makino 1 1 2 1 1 26 2 2 2 3 9 5 1 1 192 3 Japan Hiroki Otsu 9 3 4 11 2 4 4 17 5 7 2 2 3 24 108 4 Japan Shinnosuke Yamada Ret Ret 3 3 7 6 7 7 10 Ret 3 1 6 8 84 5 Japan Yuya Hiraki 3 7 6 Ret 3 2 3 3 12 13 4 20 Ret 13 83 6 Japan Kazuto Kotaka 10 13 6 5 6 4 6 7 8 6 16 11 50 7 Japan Yuki Nemoto Ret 10 8 7 12 Ret 10 5 15 14 14 8 2 3 47 8 Japan Shunsuke Kohno 10 20 17 21 17 18 9 9 3 2 10 10 9 6 42 9 Japan Mizuki Ishizaka DNS 16 13 5 5 Ret 5 14 20 16 6 4 11 9 42 10 Japan Sena Sakaguchi 30† 6 7 8 5 7 3 7 41 11 Japan Takuro Shinohara 17 18 Ret 4 18 8 18 8 9 4 7 9 10 22 35 12 Japan Yuta Kamimura Ret 5 11 15 Ret 12 8 10 8 6 16 15 7 4 35 13 Japan Shintaro Kawabata 15 Ret 5 10 11 13 28 11 14 11 15 11 4 5 27 14 Japan Yuichi Mikasa 5 Ret Ret 2 Ret 9 22 18 13 12 21 16 Ret 17 25 15 Japan Ritomo Miyata 4 9 Ret 3 14 27 24 16 Japan Katsuhide Kaneishi 19 9 21 28 Ret 3 16 19 21 22 27 13 15 12 14 17 Japan Tsubasa Mekaru 6 Ret 7 32† 8 25 12 13 16 15 13 18 Brazil Nicolas Costa 4 15 12 14 DNS 16 13 24 10 19 New Zealand James Munro Ret 4 16 Ret 10 20 Japan Yuki Shiraishi 7 6 18 16 16 24 15 15 12 Ret 10 21 Japan Musashi Nakanishi 33† 6 21 23 6 22 Japan Turbo Asahi 10 7 20 30 23 23 5 23 Japan Noa Satomi 20 8 Ret 20 19 31 17 16 17 Ret 11 12 12 Ret 3 24 Japan Riku Hashimoto 11 17 19 8 24 Ret 19 20 27 21 24 23 15 Ret 3 25 Japan Ryo Yamada 8 12 15 Ret 20 19 3 26 Japan Taku Bamba WD WD 9 12 14 15 18 17 13 21 Ret 10 3 27 Japan Tsubasa Amano 22 19 9 11 Ret 12 Ret 19 18 14 17 14 2 28 Japan Shuma Sato 13 14 31† 22 11 10 1 29 Japan Junpei Kato 13 19 14 24 15 10 14 DNS 26 23 19 27 Ret 25 1 30 Japan Takahiro Ban 18 11 26 20 32† 23 23 26 0 31 Japan Tomoki Takahashi 31 18 Ret 21 11 26 WD WD 0 32 Japan Masanori Yonekura 12 23† WD WD 24 25 26 24 0 33 Japan View Yamauchi WD WD 20 25 22 17 Ret 31 24 24 25 22 13 21 0 34 Japan Yoshiaki Katayama 21 13 DNS Ret 0 35 Japan Yuya Tezuka 22 14 23 17 23 22 21 27 22 20 17 18 19 Ret 0 36 Japan Katsuaki Kubota 14 22 26 31 Ret Ret 0 37 South Korea Hwang Do-yun WD WD 25 Ret Ret 33 23 21 25 16 0 38 Japan Yugo Tanabe 16 24 32 29 Ret 32 29 33 30 29 30 28 28 32 0 39 Brazil Gustavo Myasava 19 38 23 Ret Ret 18 0 40 Japan Yosuke Yamazaki 18 Ret 0 41 Japan Hiroaki Nagai 25 25 29 29† 21 19 0 42 Japan Nobuhiro Yoshida 22 19 0 43 Japan Ryota Kiyohara 20 Ret Ret 20 0 44 Japan Takashi Hata Ret 21 28 Ret 25 29 Ret 25 20 30 0 45 Japan Satoshi Kosugi 24 22 0 46 Japan Tsuyoshi Tajima 29 28 22 31 0 47 Japan Kotoka Goibuchi 27 23 27 DNS 0 48 Japan Yuichi Sasaki 24 29 0 49 Japan Ayaka Imahashi 25 28 0 50 Japan Miki Koyama 28 26 26 26 0 51 Australia "Motor Mouse" 29 26 27 27 WD WD 0 52 Japan "Flying Rat" 30 27 28 30 26 32 0 53 Japan Hideki Nakahara 27 28 0 54 Japan Shunsuke Sato Ret 28 0 55 Japan Miku Ikejima Ret 30 Ret 29 0 Japan Yudai Jinkawa WD WD 0 Hong Kong Paul Ip WD WD 0 Pos Driver OKA FUJ1 FUJ2 SUZ SUG AUT MOT Points	Colour Result Gold Winner Silver Second place Bronze Third place Green Points classification Blue Non-points classification Non-classified finish (NC) Purple Retired, not classified (Ret) Red Did not qualify (DNQ) Did not pre-qualify (DNPQ) Black Disqualified (DSQ) White Did not start (DNS) Withdrew (WD) Race cancelled (C) Blank Did not practice (DNP) Did not arrive (DNA) Excluded (EX) Bold – Pole Italics – Fastest Lap † — Did not finish, but classified
1	Japan Sho Tsuboi	2	2	1	9	4	1	1	1	1	1	1	17	5	2	195
2	Japan Tadasuke Makino	1	1	2	1	1	26	2	2	2	3	9	5	1	1	192
3	Japan Hiroki Otsu	9	3	4	11	2	4	4	17	5	7	2	2	3	24	108
4	Japan Shinnosuke Yamada	Ret	Ret	3	3	7	6	7	7	10	Ret	3	1	6	8	84
5	Japan Yuya Hiraki	3	7	6	Ret	3	2	3	3	12	13	4	20	Ret	13	83
6	Japan Kazuto Kotaka			10	13	6	5	6	4	6	7	8	6	16	11	50
7	Japan Yuki Nemoto	Ret	10	8	7	12	Ret	10	5	15	14	14	8	2	3	47
8	Japan Shunsuke Kohno	10	20	17	21	17	18	9	9	3	2	10	10	9	6	42
9	Japan Mizuki Ishizaka	DNS	16	13	5	5	Ret	5	14	20	16	6	4	11	9	42
10	Japan Sena Sakaguchi							30†	6	7	8	5	7	3	7	41
11	Japan Takuro Shinohara	17	18	Ret	4	18	8	18	8	9	4	7	9	10	22	35
12	Japan Yuta Kamimura	Ret	5	11	15	Ret	12	8	10	8	6	16	15	7	4	35
13	Japan Shintaro Kawabata	15	Ret	5	10	11	13	28	11	14	11	15	11	4	5	27
14	Japan Yuichi Mikasa	5	Ret	Ret	2	Ret	9	22	18	13	12	21	16	Ret	17	25
15	Japan Ritomo Miyata									4	9	Ret	3	14	27	24
16	Japan Katsuhide Kaneishi	19	9	21	28	Ret	3	16	19	21	22	27	13	15	12	14
17	Japan Tsubasa Mekaru	6	Ret	7	32†	8	25	12	13	16	15					13
18	Brazil Nicolas Costa	4	15	12	14	DNS	16	13	24							10
19	New Zealand James Munro	Ret	4	16	Ret											10
20	Japan Yuki Shiraishi	7	6	18	16	16	24	15	15			12	Ret			10
21	Japan Musashi Nakanishi			33†	6	21	23									6
22	Japan Turbo Asahi					10	7	20	30					23	23	5
23	Japan Noa Satomi	20	8	Ret	20	19	31	17	16	17	Ret	11	12	12	Ret	3
24	Japan Riku Hashimoto	11	17	19	8	24	Ret	19	20	27	21	24	23	15	Ret	3
25	Japan Ryo Yamada	8	12	15	Ret	20	19									3
26	Japan Taku Bamba	WD	WD	9	12	14	15			18	17	13	21	Ret	10	3
27	Japan Tsubasa Amano			22	19	9	11	Ret	12	Ret	19	18	14	17	14	2
28	Japan Shuma Sato					13	14	31†	22	11	10					1
29	Japan Junpei Kato	13	19	14	24	15	10	14	DNS	26	23	19	27	Ret	25	1
30	Japan Takahiro Ban	18	11			26	20	32†	23	23	26					0
31	Japan Tomoki Takahashi			31	18	Ret	21	11	26					WD	WD	0
32	Japan Masanori Yonekura	12	23†			WD	WD	24	25			26	24			0
33	Japan View Yamauchi	WD	WD	20	25	22	17	Ret	31	24	24	25	22	13	21	0
34	Japan Yoshiaki Katayama	21	13	DNS	Ret											0
35	Japan Yuya Tezuka	22	14	23	17	23	22	21	27	22	20	17	18	19	Ret	0
36	Japan Katsuaki Kubota	14	22	26	31									Ret	Ret	0
37	South Korea Hwang Do-yun	WD	WD	25	Ret	Ret	33	23	21					25	16	0
38	Japan Yugo Tanabe	16	24	32	29	Ret	32	29	33	30	29	30	28	28	32	0
39	Brazil Gustavo Myasava									19	38	23	Ret	Ret	18	0
40	Japan Yosuke Yamazaki													18	Ret	0
41	Japan Hiroaki Nagai									25	25	29	29†	21	19	0
42	Japan Nobuhiro Yoshida											22	19			0
43	Japan Ryota Kiyohara											20	Ret	Ret	20	0
44	Japan Takashi Hata	Ret	21	28	Ret			25	29			Ret	25	20	30	0
45	Japan Satoshi Kosugi			24	22											0
46	Japan Tsuyoshi Tajima									29	28			22	31	0
47	Japan Kotoka Goibuchi			27	23			27	DNS							0
48	Japan Yuichi Sasaki													24	29	0
49	Japan Ayaka Imahashi					25	28									0
50	Japan Miki Koyama											28	26	26	26	0
51	Australia "Motor Mouse"			29	26	27	27	WD	WD							0
52	Japan "Flying Rat"			30	27	28	30	26	32							0
53	Japan Hideki Nakahara													27	28	0
54	Japan Shunsuke Sato							Ret	28							0
55	Japan Miku Ikejima			Ret	30	Ret	29									0
	Japan Yudai Jinkawa	WD	WD													0
	Hong Kong Paul Ip					WD	WD									0
Pos	Driver	OKA	FUJ1	FUJ2	SUZ	SUG	AUT	MOT	Points
Colour	Result
Gold	Winner
Silver	Second place
Bronze	Third place
Green	Points classification
Blue	Non-points classification
Non-classified finish (NC)
Purple	Retired, not classified (Ret)
Red	Did not qualify (DNQ)
Did not pre-qualify (DNPQ)
Black	Disqualified (DSQ)
White	Did not start (DNS)
Withdrew (WD)
Race cancelled (C)
Blank	Did not practice (DNP)
Did not arrive (DNA)
Excluded (EX)

Teams' standings

Pos	Team	Pts.
1	Japan TOM'S Spirit	225
2	Japan Rn-sports	216
3	Japan Honda Formula Dream Project	144
4	Japan RS Fine	133
5	Japan B-Max Racing Team	109
6	Hong Kong KCMG	70
7	Italy VSR Lamborghini S.C.Formula Jr	59
8	Japan Sutekina Racing Team	55
9	Japan Succeed Sports	41
10	Japan RSS	39
11	Japan Media Do Kageyama Racing	23
12	Japan Eagle Sport	20
13	Japan Le Beausset Motorsports	17
14	Japan Skill Speed	17
15	Japan miNami aoYama with SARD	14
16	Japan N-Speed	14
17	Japan Field Motorsport	14
18	Japan Leprix Sport	14
19	Japan Garage Chabatake	13
20	Japan Hanamashima Racing	13
21	Japan Saitama Toyopet GreenBrave	13
22	Japan NRS	10
23	Japan Buzz International	10
24	Japan Zap Speed Racing Team	8
25	Japan Sfida Racing Team	6
26	Japan Clear Corporation	6
27	Japan ARN Racing	6

External links

(in Japanese)