■Previous test results
Round 1: 18-21 June 3,070 tested, with zero testing positive.
Round 2: 2–5 July 3,182 tested, with zero testing positive.
Round 3: 10-12 July 16-19 July 3,299 tested, with zero testing positive.
Round 3 (referees): 25-26 July 112 tested, with zero testing positive.
Round 4 (teams & referees): 29 July–2 August 3,203 tested, with three testing positive.
Round 4 (referees): 8-10 August 116 tested, with zero testing positive.
Extra round (Sagan Tosu): 17 August 123 tested, with zero testing positive.
Round 5 (teams & referees): 13-17 August 3,196 tested, with zero testing positive.
Extra round (Sagan Tosu): 24 August 177 tested, with one testing positive.
Round 5 (referees & others): 17-23 August 115 tested, with zero testing positive.
Round 6 (teams & referees): 27-30 August, 3,240 tested, with zero testing positive.
Round 6 (referees): 5-6 September, 108 tested, with zero testing positive.
