Australian Open quarter-final: Jannik Sinner v Alex de Minaur - live

12m ago 03.55 EST In the women’s draw, Iga Swiatek beat Emma Navarro 1 and 2; Madison Keys beat Elina Svitolina 3-6 6-3 6-4. Those two meet tomorrow following Aryna Sabalenka v Paulo Badosa, and I can’t wait for either. Keys has a massive game and her top level is serious; if she’s on, she’s every chance of beating Swiatek, having found better control and patience without compromising power. Badosa, meantime, has a huge game and might finally have worked out how to manage it. She’ll have seen how Anastasia Pavlyuchenkova outhit Sabalenka yesterday and fancy she can do the same, without starting slowly and fading at the end. Or, in other words, the draw has been kind to us. Share

19m ago 03.49 EST Back to Shelton, he’s a fantastic athlete with a brilliant mentality, excellent serve and nuclear forehand. The problem he has, though, is his backhand – Coach Calv notes “there’s some mad stat that if you make him play one the first shot of a rally, he only wins the point 15% of the time or something.” I’d actually back him to beat De Minaur; it’s hard to see what he has that Sinner doesn’t. Share

27m ago 03.40 EST “Shout out Lorenzo Sonego because that was some ridiculous tennis,” he begins, laughing. He’s really happy to be through and win his first match on Laver, one of his favourites in his career. He accepts that if he meets Demon next the crowd can boo him, chuck stuff at him and all the rest, and expects the same if he’s against the world no 1. Then, of course, he finishes with a fraternal “Let’s go baby!” and he’s so much fun; he’s got such competitive charisma. Share

31m ago 03.37 EST Wild celebrations from Shelton, as you might expect, and here he is… Share

31m ago 03.36 EST Ben Shelton (21) beats Lorenzo Sonego 6-4 7-5 4-6 7-6(4) A body-serve sets up the point, finished by Shelton with two colossal inside-out forehands. He meets Sinner or De Minaur in his first grand slam semi. View image in fullscreen Ben Shelton celebrates victory over Lorenzo Sonego in four sets. Photograph: Yuichi Yamazaki/AFP/Getty Images Share Updated at 03.38 EST

33m ago 03.34 EST A big serve, a return into the net, and at 6-4, Shelton has two match points! Share

34m ago 03.34 EST Shelton hurls himself after a drop, somehow finding the strength to get under it and flip it back – Sonego puts away easily – before splattering the hoardings in crowd-pleasing fashion. He does press-ups to bank the laughs, then Sonego misses a volley and at 5-4, he’s two serves away from the last four! Share

37m ago 03.31 EST Sonego just won’t go away and more than that, he’s playing well; we’re 3-3 in the breaker. Share

39m ago 03.29 EST Email! “I know that World No 1 vs Local Boy is the big draw today, but the attendance at the Shelton-Sonego quarter-final is embarrassing,” emails Keith Shaw. “Do you know how the ticketing works?” I do not, but I imagine the relative emptiness is because day-sesh people have chipped. At Wimbledon, you have queues to fill the gaps, but maybe they don’t operate that system; maybe there’s no demand for it. View image in fullscreen It’s a sparse crowd in Melbourne. Photograph: Darrian Traynor/Getty Images Share Updated at 03.34 EST

41m ago 03.27 EST And Shelton serves out to 15 for his breaker. Share

43m ago 03.24 EST Sonego survives a break point to hold for 6-5 in the fourth, guaranteeing himself a tiebreak. This is a proper physical tussle. Share

49m ago 03.18 EST But first, we’ve the end of Ben Shelton (21) 6-4 7-5 4-6 5-5 Lorenzo Sonego. Good! View image in fullscreen Ben Shelton currently leads by two sets to one over Lorenzo Sonego. Photograph: Francis Mascarenhas/Reuters Share Updated at 03.25 EST

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