They were involved in two-day battles as Vaast went up against Gonzalo Gutiérrez of Spain for the European slot and Igarashi faced compatriot Reo Inaba for the Asian spot.

Gutiérrez produced a brilliant Games, seeing off four Tokyo 2020 Olympians but his hopes of securing a place at Paris 2024 were dashed by Vaast who came out on top.

Vaast will now join fellow Tahitian Vahine Fierro in competing at the Olympics where the sailing will be held at their home venue of Teahupo’o.

"This is something very special for me," said Vaast.

"I worked hard to qualify one day.

"To have the chance to be in the Olympics at home.

"It was a big dream for me.

"I did everything to make it and now I’m in, so I’m super stoked."

Inaba had performed well at the Games but a loss in the first heat of the day handed the Paris 2024 spot to Igarashi who will hope to go one better than in Tokyo.

"It’s such an honour to be in this position," said Igarashi.

"I feel like Tokyo was just the other day.

"I have so many good memories from that event.

"The Olympics changed my life.

"To be here again in a position where I can go there and represent my country and try and get another medal, it means the world to me."

While delighted to sealed his place at the Olympics, Igarashi was unable to leave the Games with a medal after finishing fourth on 14.80 points.

Mexico’s Alan Cleland emerged victories after saving his best until last to capture the men’s title.

The 20-year-old produced scores of 9.73 and 8.50 to triumph with 18.23.

He saw off the Peruvian challenge as Lucca Mesinas and Miguel Tudela had to settle for the other podium spots after notching 16.17 and 14.96 respectively.

"I knew I had to come in clutch because I was coming up against some of the best surfer, some of the people I’ve looked up to my whole life," said Cleland.

"The gold medal means everything."

Brazil’s Tatiana Weston-Webb sealed her first World Surfing Games gold after winning a tight women’s final.

Weston-Webb star was crowned champion after scoring 7.50 twice for 15.00.

Canada’s Erin Brooks sealed silver with 14.36, while France’s Johanna Defay notched 13.54 for bronze.

"It’s a really, really huge honour, from the bottom of my heart to represent Brazil and to be able to come out on top," said Weston-Webb.

"I had so much fun at this event.

"Being around people from all over the world and seeing them surf in the World Games is incredible."