TOKYO (AP)—South Africa’s Tatjana Schoenmaker was the star of the day, setting the first individual swimming world record at the Tokyo Olympics. Others shined, too. Evgeny Rylov completed a backstroke double for Russia, Emma McKeon gave the Aussie women another gold, and China earned a return trip to the top of the medal podium. The mighty Americans? For the first time in the meet, they spent the entire session Friday watching others win gold. Schoenmaker, a 24-year-old South African, won the women’s 200m breaststroke with a time of 2 minutes, 18.95 seconds, breaking the mark of 2:19.11 set by Denmark’s Rikke Moller Pedersen at the 2013 world championships in Barcelona. It was the third world record at the Tokyo Aquatics Centre, with the first two coming in women’s relays. “I wasn’t expecting that at all,” said Schoenmaker, who added to her silver in the 100m breaststroke. ”It couldn’t have been …