A lopsided head-to-head can scramble players' brains and create strange dynamics. Here is how tennis pigeons cope.

Novak Djokovic has come back to defeat Carlos Alcaraz 4-6, 6-4, 6-3, 6-4 to reach the Australian Open semifinals for the 12th time ...

Carlos Alcaraz had Novak Djokovic on his heels early and lamented not being able to put him away in the Australian Open quarterfinals.

I saw Carlos was hesitant a little bit…so I started to take my chances,” said the 37-year-old after his four-set quarterfinal victory.