
Daniil Medvedev will play Rafa Nadal for the Australian Open title on Sunday after a stirring victory over Greek fourth seed Stefanos Tsitsipas in the semi-final on Friday. (AP Photo)

Daniil Medvedev of Russia wipes the sweat from his face during a break in his semifinal against Stefanos Tsitsipas of Greece at the Australian Open tennis championships in Melbourne, Australia. (AP Photo)

The Russian world number two reached the Australian Open decider for the second year in succession by defeating Tsitsipas 7-6(5) 4-6 6-4 6-1. (AP Photo)

Should Medvedev defeat the Spanish great, he will become the first man in the Open era to win his first two Grand Slam titles in succession after his triumph in New York last September. (AP Photo)

Medvedev had a more tempestuous and challenging run to back-to-back Australian Open finals. (AP Photo)

Medvedev lost his temper late in the second set against Tsitsipas, accusing his rival of being coached by his father from the sidelines - which is against the rules. (AP Photo)

The Russian yelled at chair umpire Jaume Campistol in the changever after serving a double-fault to concede a late break, getting a code violation for a visible obscenity. (AP Photo)

Former Australian cricket captain Steve Waugh, center, watches the Stefanos Tsitsipas of Greece and Daniil Medvedev of Russia semifinal match at the Australian Open tennis championships in Melbourne, Australia. (AP Photo)