they're taking on australia in a friendly, and looking to make it 31 games unbeaten under sarina weigmannly one to progress into round two. making his first appearance since picking up an injury last month, the 21—year old beat the argentine sebastian baez in straight sets, and will face hubert hurkacz of poland in the second round this afternoon. meanwhile, andy murray called his opening round defeat, one of the worst of his career. he was beaten comfortably in straight sets by the australian alex de minaur. british number one cameron norrie is also out. and you might have caught this over the weekend. liverpool's andy robertson allegedly elbowed by an assistant referee at anfield on sunday during their 2—2 draw with arsenal. the official involved — constantine hatzidakis — has been stood down from any matches while the incident is investigated. it has sparked so much conversation and debate about behaviour of players but also how officials contend with difficult situations on the pitch. so many arguing in favour of the players and what they should do, should they not be addressing offi