Australia’s wheelchair tennis star Dylan Alcott has capped a memorable 2020 by finishing the year as the International Tennis Federation’s world No.1 for quad singles.

It is the fifth time Alcott has claimed the year-end top spot, repeating his achievements from 2015, 2016, 2018 and 2019.

In January, Alcott became the first quad player to claim 10 Grand Slam singles titles with his sixth Australian Open triumph.

He added an eleventh in October, when he defended his French Open crown with a 6-2 6-2 victory over his doubles partner Andy Lapthorne at Roland Garros.

The 30-year-old finished the year with an 18-1 singles win-loss record, his only defeat coming in the US Open final, where he finished runner-up to Sam Schroder of the Netherlands.

“In such a strange year, it is a massive honour to finish the year as world No.1,” Alcott said.

“A big thanks to my team and everyone who supports me. I also want to send my love to everyone who has done it tough in 2020.

“Let’s hope we can all keep working together and get ready for a - hopefully - brighter 2021!”.

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Novak Djokovic, Roger Federer, Rafael Nadal and Frances Tiafoe were among the winners of the ATP's top awards for 2020.

Djokovic was the year-end No. 1 for a record-equalling sixth time after winning four titles including a record eighth Australian Open.

US Open champions Mate Pavic and Bruno Soares are the top ranked doubles team.

Federer, who played only six singles all year, was the singles fans' favourite for a record-extending 18th straight year, and Nadal received the Stefan Edberg Sportsmanship Award for the third year in a row and fourth time overall after winning a 13th Roland Garros crown.

Andrey Rublev of Russia was the most improved in rising from No. 23 to a career-high No.8 after winning five titles, more than any other player this year.

Tiafoe was given the Arthur Ashe Humanitarian Award for his social activity.

The American auctioned signed memorabilia to Athletes for COVID-19 Relief and posted a video that united the Black tennis community in the wake of George Floyd's killing.

The 17-year-old Carlos Alcaraz of Spain was the newcomer of the year after winning three Challenger titles.

Vasek Pospisil is the comeback player of the year after undergoing back surgery in 2019.

The Canadian reached two finals and rose to No.61 after dropping to No.150 in 2019.