Duds

In tennis, like in Novak Djokovic's Australian Open semifinal, sometimes the show doesn't go on.

MELBOURNE, Australia — There has been some great tennis at the Australian Open this year, to state the obvious. Novak Djokovic’s remarkable comeback win over Carlos Alcaraz and Madison Keys’ epic upset of Iga Swiatek should both be enshrined as all-time classics.

Tennis is often great…but not always. And when it truly disappoints, like it did on Friday …