and there s a debut for a new form of basketball: a three a side event. japan s women opened the tournament against the russian team competed under a neutralflag but lost 21 18. but the threat posed by covid hasn t gone away. there have been 127 positive cases around the games so far, and one of them for the czech beach volleyball player marketa slukova meant that their opening match on friday againstjapan was cancelled and a win was awarded to the hosts. these games have been a long time in the making. our correspondent rupert wingfield hayes was with a family as they watched the opening ceremony. for the uno family, it has been a long, anxious wait to get to this moment.