different to what the tokyo 0lympics organising committee is using. can you talk us through the difference and why you felt the need to update the system for australia? system for australia? sure, so for the australian system for australia? sure, so for the australian open, - system for australia? sure, so for the australian open, i ve i for the australian open, i ve also for the australian open, i ve also worked with cricket australia and the national rughv australia and the national rugby league as well, and developed individualised heat policies for these particular spots. policies for these particular spots, so it was important for us to spots, so it was important for us to understand how we can best us to understand how we can best protect the athletes that are competing in a particular sport are competing in a particular sport so are competing in a particular sport. so my advice to those organisations was to move away from organisations was to move away from the
preparation? most athletes will expose themselves preparation? most athletes will expose themselves to - preparation? most athletes will expose themselves to the - expose themselves to the conditions that they are going to be conditions that they are going to be playing in in advance of a particular tournament sol would a particular tournament sol would imagine that most of the competitors in tokyo, for example, would have thought places example, would have thought places to train for at least a couple places to train for at least a couple of places to train for at least a couple of weeks in advance of coming couple of weeks in advance of coming to couple of weeks in advance of coming to the games in an area that is coming to the games in an area that is hot coming to the games in an area that is hot and humid and it would that is hot and humid and it would induce the physiological adaptations that will help them better adaptations that will help them better cope with
for tunisia, as 18 year old ahmed hafnaoui won gold for them. that was the first gold of the games and just their fifth olympic gold in total. and then the australia women smashed the world record to claim the victory in the 4 x 100 metres freestyle. elsewhere, we have had the surfing taking place today with the heats in that, that s one of the other new sports here. but we have had some big shocks in the tennis, as the world number one, ash barty, is out of that in the opening round. remember, she came in as wimbledon champion here. the organisers at that event have also been forced to put in the extreme heat policy, which allows them to monitor the health and safety of the players in the court in the very high temperatures in tokyo. one other news line we have had today as we deal with covid 19 cases
shocks in the tennis as the world number one ash barty is out in the opening round. she came in as the winner of wimbledon. organisers have had to put in the extreme heat policy which allows them to monitor the health and safety of the players in the court in the very high temperatures here in tokyo. one of the new slides we have had today as we do with the covid i9 cases is that the case is linked to this game has now risen to 142 with ten more announced today. prior to his journey to japan, we also had the news that the us golfer has had to pull out as it tested positive for covid 19 before making hisjourney to japan. patrick reed will now take his place. the bbc s mariko oi is in tokyo outside the olympic village.