At Round 4 of the 86/BRZ Race Gold Cup at Autopolis, Araki Yusuke (荒木悠佑) secured 3 consecutive wins in Class 1, Nagamatsu Yuki (長松佑樹) claimed his second win since the opening round in Class 3, and Fukuyama Tetsuya (福山哲也) made it 3 consecutive wins in Class 4. In qualifying, Fukuyama Tetsuya (福山哲也) took overall pole for Class 4.
Round 4 of the 86/BRZ Race Gold Cup at Autopolis attracted 15 cars across 4 classes. Classes 3 and 4 were run as one-make series using Bridgestone POTENZA RE71-RZ tires, while Classes 1 and 2 were contested in eligible vehicles, including the current-model GR86 and BRZ.
Qualifying took place in sunny conditions with extensive cloud cover, and Class 4 pole-sitter Fukuyama Tetsuya (福山哲也) in car No. 530 took overall pole.
The final started at 12:04. Ishikawa Hirotake (石川裕剛), who held second overall, passed Araki Yusuke (荒木悠佑) on lap 3 and moved up to fourth, setting the stage for positions to change through the second half. Ishikawa Hirotake (石川裕剛) and Imai Setsuro (今井摂朗) battled for the overall lead late in the race, with Ishikawa Hirotake (石川裕剛) coming from behind to claim his first Class 2 win. Fukuyama Tetsuya (福山哲也) was caught late in the race but held on for his third consecutive class win and finished third overall. In Class 3, Nagamatsu Yuki (長松佑樹) claimed his second win since the opening round, while Nagamatsu Yuki (長松佑樹), the opening-round winner, finished 10th overall.