Okayama Super Formula: Tsuboi passes Ishiura for first win

Toyota protege Sho Tsuboi passed Inging teammate Hiroaki Ishiura to score his maiden Super Formula victory at Okayama.

Tsuboi, in his second year racing in Japan’s premier single-seater series, made the move on two-time champion Ishiura as the latter exited the pits, going around the outside at the long Turn 6 right-hander and completing the move heading into the hairpin.

That gave Tsuboi the net lead, and the actual lead once the late-stopping Nick Cassidy made his mandatory pitstop with just two laps to go.

The foundation of Tsuboi’s victory was a lightning start from eighth on the grid, which combined with chaos at Turn 1 left him second behind poleman Ryo Hirakawa.

From second on the grid, TOM’S rookie Ritomo Miyata made a sluggish getaway, prompting Sacha Fenestraz and Tadasuke Makino to go either side.

As the pair arrived at Turn 1, Makino was tagged by Nakajima Racing teammate Toshiki Oyu and spun into Fenestraz. Makino and Fenestraz were out on the spot, while Oyu was able to continue after pitting for a new front wing and then serving a drive-through penalty.

The incident prompted a safety car, and when racing resumed on lap 8 of 50, Hirakawa pulled out a small gap over Tsuboi before the latter pitted at the end of lap 11.

Impul driver Hirakawa came in next time by and although he initially resumed ahead, Tsuboi was able to make use of his up-to-temperature tyres to pass into Turn 7.

Ishiura, who had been running third, assumed the lead at this point, and stayed out front until coming in for his stop on lap 30. Like Hirakawa, he came out ahead, but with his tyres still cold he was powerless to hold off his quicker teammate Tsuboi.

On lap 34 Ishiura came close to pulling off an outside move on Tsuboi, but couldn’t quite complete the pass and fell back into line – leaving Tsuboi clear to take his first win by 0.782s in only his ninth Super Formula start.

Sho Tsuboi, Inging

Sho Tsuboi, Inging

Photo by: Masahide Kamio

Second still marked Ishiura’s first visit to the podium since his last win at Motegi in 2018.

Cassidy meanwhile rejoined just ahead of Hirakawa to grab his first podium of the season, with Hirakawa and Impul teammate Yuhi Sekiguchi completing the top five – the latter from 15th on the grid, albeit he was running sixth after the first-lap drama.

Naoki Yamamoto was the best of the Honda runners in sixth place for Dandelion, while Yuji Kunimoto – who followed an identical strategy to Cassidy – was seventh for KCMG.

Nirei Fukuzumi (Dandelion), Miyata and Tomoki Nojiri (Mugen) completed the scorers.

Ukyo Sasahara in the second Mugen entry was forced to start from the pitlane due to an actuator problem, rejoining the tail of the pack after the safety car and finishing 13th.

Sena Sakaguchi meanwhile was ruled out of his Super Formula debut by a warm-up lap crash at Turn 6 in the second Kondo Racing car, which caused the race to be delayed and the distance to be reduced by a lap.

Race results:

Cla # Driver Team Laps Gap
1 39 Japan Sho Tsuboi
JMS P.mu/cerumo-INGING 50
2 38 Japan Hiroaki Ishiura
JMS P.mu/cerumo-INGING 50 0.782
3 1 New Zealand Nick Cassidy
Vantelin Team TOM'S 50 3.103
4 20 Japan Ryo Hirakawa
5 19 Japan Yuhi Sekiguchi
6 5 Japan Naoki Yamamoto
DoCoMo Team Dandelion Racing 50 8.640
7 18 Japan Yuji Kunimoto
carrozzeria Team KCMG 50 19.186
8 6 Japan Nirei Fukuzumi
DoCoMo Team Dandelion Racing 50 20.459
9 36 Japan Ritomo Miyata
Vantelin Team TOM'S 50 21.233
10 16 Japan Tomoki Nojiri
Team Mugen 50 21.880
11 7 Japan Yuichi Nakayama
carrozzeria Team KCMG 50 26.369
12 12 Japan Koudai Tsukakoshi
ThreeBond Drago CORSE 50 28.278
13 15 Japan Ukyo Sasahara
Team Mugen 50 32.950
14 50 Japan Mitsunori Takaboshi
Buzz Racing with B-Max 50 57.559
15 65 Japan Toshiki Oyu
TCS Nakajima Racing 50 57.961
16 14 Japan Kazuya Oshima
ROOKIE Racing 50 1'02.163
4 France Sacha Fenestraz
Kondo Racing 0
64 Japan Tadasuke Makino
TCS Nakajima Racing 0
3 Japan Sena Sakaguchi
Kondo Racing 0
Okayama Super Formula: Hirakawa beats Miyata to pole
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