Defending championNovak Djokovic defeatedDominic Thiem in the final, 6–4, 4–6, 2–6, 6–3, 6–4 to win the men's singles tennis title at the2020 Australian Open.[1] It was his record-extending eighthAustralian Open title and 17thmajor title overall. With the win, Djokovic regained theworld No. 1 singles ranking, and became the first player sinceKen Rosewall to win major titles in three different decades. The match also marked the first time Djokovic came back to win a major final after trailing two sets to one, having lost each of the last seven times this happened.[2] Thiem became the first Austrian to reach the final. This was Thiem's third runner-up finish in as many major finals (though he would go on to win theUS Open later that year). The final also marked the first time in theOpen Era that three consecutive men's major finals went to five sets, following the finals at the2019 Wimbledon Championships and the2019 US Open.[3]
This marked the final Australian Open appearance for former world No. 1, six-time champion, and 20-time major championRoger Federer. With his third-round win, Federer became the first player to win 100 matches at the Australian Open. He also became the first player to earn 100 match wins at two majors (the other beingWimbledon). Federer's semifinal encounter with Djokovic marked their50th and final professional meeting; Djokovic won to end their head-to-head at 27–23 in his favor. This was also the first Australian Open appearance for future world No. 1Jannik Sinner; he lost toMárton Fucsovics in the second round.
The following are the seeded players. Seedings are based on ATP rankings on 13 January 2020, while ranking andpoints before are as of 20 January 2020.Points after are as of 3 February 2020.
† This column shows either the player's points from the 2019 tournament or his 18th best result (shown in brackets). Only ranking points counting towards the player's ranking as of 13 January 2020 are reflected in the column.
^abcDonaldson had initially replaced Pouille, but later withdrew due to continuous injuries, he was replaced by Majchrzak but the latter withdrew to recurring injury.