2021 Australian Open: What to Watch on Tuesday Night. Tennis, Australian Open (Tennis), Brady, Jennifer (1995- ), Pegula, Jessica (1994- ), Barty, Ashleigh, Muchova, Karolina (1996- ), Nadal, Rafael, Tsitsipas, Stefanos, Rublev, Andrey (1997- ), Medvedev, Daniil (1996- )