Bryson DeChambeau’s loss leads our biggest surprises from Wednesday’s WGC-Match Play

Antoine Rozner used a magnificent flop shot on the final hole to close out heavy favorite Bryson DeChambeau on the opening day of Match Play.

AUSTIN, Texas — Since the World Golf Championships’ match play event moved to an opening round-robin structure in 2015, the tournament lost its March Madness-like one-and-done format, but losses on the first day are still costly.

The WGC-Dell Technologies Match Play saw its fair share of upsets on Wednesday and even though those who fell will live to see another day, they’re now in a tough position.

A pair of top 5 seeds lost opening matches on a gloomy day at Austin Country Club, one in which tee times were moved up to avoid the possibility of rain storms.

Curious about match play, how it’s scored or the terminology behind it? Click here for some background info.

Here is a look at the Wednesday’s biggest surprises:

Antoine Rozner fires final-round 64 at Golf in Dubai, earns first Euro Tour win

Frenchman Antoine Rozner certainly looked the part of a closer in the final round of the Golf in Dubai Championship.

For someone who had yet to win on the European Tour, Frenchman Antoine Rozner certainly looked the part of a closer in the final round of the Golf in Dubai Championship.

Rozner, who opened the final round four shots behind Andy Sullivan, dropped a 10-foot eagle on the 13th hole, taking his first lead of the tournament. He then added a tap-in birdie on the final hole of the day to close at 25 under and capture the victory. He finished the day with a round of 64 on the Fire Course at Jumeriah Golf Estates.

“It means a lot. It’s such a strange year,” said Rozner, who hails from Paris. “We’ve been through so much all over the world, to get it done today in such nice fashion … we knew we had to take it super deep if we wanted to win. That’s what we did. It’s amazing.”

Golf in Dubai Championship: Leaderboard

Sullivan, who had led after each of the first three rounds, shot a 70 to finish in a four-way tie for second at 23 under. Matt Wallace, Francesco Laporta and Mike Lorenzo-Vera also finished two shots behind Rozner.

The European Tour (or half of it) stays in Dubai for the season-ending DP World Tour Championship next week.

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Antoine Rozner climbs into three-man tie at Mauritius Open

Antoine Rozner of France shot a 6-under 66 Saturday to create a three-way tie for the lead after the third round of the Mauritius Open.

BEL-OMBRE, Mauritius – Antoine Rozner of France shot a 6-under 66 Saturday to create a three-way tie for the lead after the third round of the Mauritius Open.

Rozner is level with second-round leader Calum Hill of Scotland and Thomas Detry of Belgium on 16-under 200 going into the final round.

Detry shot a 67 despite two bogeys on his last six holes, while Hill birdied his last two holes for a 68.

Afrasia Bank Mauritius Open: Leaderboard

Danish rookie Rasmus Hojgaard (66) and American golfer Sihwan Kim (67) were a shot off the lead.

Brandon Stone started the day a shot off the lead but triple-bogeyed the first hole before recovering with six birdies on the back nine to sit two strokes back, in joint sixth place with Renato Paratore.

Robin Sciot-Siegrist of France had the best round of the day with a 65 despite a bogey on the 18th, but is tied for 16th, six shots off the lead.

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