AO23 Quarterfinals - Biofeedback Machine

Novak Djokovic crushed Andrey Rublev 6-1, 6-2, 6-4 Wednesday night in Melbourne. Earlier in the day, Tommy Paul ended Ben Shelton's run 7-6, 6-3, 5-7, 6-4, Aryna Sabalenka crushed Donna Vekic and her serve 6-3, 6-2, and Magda Linette upset (30) Karolina Pliskova 6-3, 7-5 to reach her first career major semifinal.   Topic List: What happened in the quarterfinal matches? What do the results mean for each player?  What are the semifinal draws? What is the current ranking points situation? What is the schedule for Thursday? What is the TV schedule?   Quote - Djokovic. "I've tried any biofeedback machine there is on this planet." Music - ESPN  Clip - Paramount