While the spotlight was on Ashleigh Barty's win at Roland Garros, fellow Australian Dylan Alcott was busy making history of his own at the French Open.

Key points: Australia's Dylan Alcott has continued his dominance of men's quad wheelchair tennis, beating American David Wagner to win the French Open

Australia's Dylan Alcott has continued his dominance of men's quad wheelchair tennis, beating American David Wagner to win the French Open Alcott has now won five Australian Opens, two US Opens and a crown at Roland Garros since switching back to tennis from wheelchair basketball in 2014

Alcott has now won five Australian Opens, two US Opens and a crown at Roland Garros since switching back to tennis from wheelchair basketball in 2014 If he wins next month's Wimbledon first-ever quad wheelchair title, he will hold all four grand slam crowns simultaneously

Alcott defeated longtime rival David Wagner of the US 6-2, 4-6, 6-2 in the men's wheelchair quad singles final on Court Nine, winning in one hour and 56 minutes.

It was Alcott's second crown of his French Open campaign after he and Wagner teamed up to win the men's wheelchair quad doubles final.

As befits a match between two players who know each other's games intimately, it was a tight match in the final.

There were a total of 17 breaks of serve in the windy conditions — Alcott broke Wagner three times in the opening set and lost his own serve once on the way to a first set win.

But despite the Australian improving his first serve percentage from 65 to 69, four double-faults — and three breaks of his own serve — helped hand the second set to Wagner, meaning the match went the distance.

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Alcott held his nerve in the third and final set, breaking his rival another four times to clinch the match and the title.

"An honour to be the first ever Roland Garros Quad Wheelchair Champion," Alcott tweeted after the final.

"As always thank you to everyone for the love xxxx".

The victory continued Alcott's brilliant wheelchair tennis career, and puts him one win away from holding all four of the grand slam titles simultaneously.

Alcott won the final grand slam event of 2018, the US Open, beating Wagner in straight sets.

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He followed up with a win at Melbourne Park — his fifth overall — over the American in this year's Australian Open before his success at Roland Garros.

Next month, Wimbledon will join the French Open in holding a quad wheelchair tournament for the first time and Alcott will again be the favourite.

If he keeps his run going to this year's US Open, an even bigger prize awaits — matching Australia's Rod Laver by winning the calendar year Grand Slam.

"As an elite tennis player growing up, you dream of playing the four grand slams and for this to be made possible for me is a dream come true," Alcott said this week.

"I spent some time with Rod Laver during the last Australian Open and heard all about his Grand Slam.

"With the four majors now on my circuit, this is certainly a tempting triumph."

Alcott was a junior wheelchair tennis player before becoming a member of Australia's men's wheelchair basketball team, winning a gold medal with the Rollers at the Beijing Paralympics in 2008 and silver in London four years later.

Five years ago he switched back to wheelchair tennis.

Since then he has racked up eight quad singles major titles — from eight finals — and three quad doubles crowns.