The first day of the 2022 French Open has finally rolled to a close, with upsets galore on the claycourts of Paris. While most of the players who were expected to reach the second round have done so, a few have suffered unexpected losses at the hands of undistinguished opponents.On the men's side, two seeded players have exited in the first round already, while two seeded players on the women's side have been shown the door. With the remaining set of first-round matches to be played tomorrow, the French Open is very much living up to its status as one of the most unpredictable Slams of the season.Without further ado, here's a look at the five biggest upsets on Day 1 of the French Open:#1 Hugo Dellien def. Dominic ThiemDominic Thiem slipped to his seventh straight loss of the seasonDominic Thiem's wait for his first win this season will continue, as the Austrian slumped to his seventh consecutive loss of the year. Facing off against Hugo Dellien in his opener at the French Open, Thiem fell 6-3, 6-2, 6-4.The former US Open winner showed glimpses of his old self, but the fact that his forehand and confidence are still lacking was pretty evident during the big moments of the match.Christopher Clarey 🇺🇸 🇫🇷 🇪🇸@christophclareyDominic Thiem, a Grand Slam champ and once the second best player on clay, is now 0-7 since coming back in 2022 from a wrist injuryTough to see and underscores just how competitive the tour is#getty26228Dominic Thiem, a Grand Slam champ and once the second best player on clay, is now 0-7 since coming back in 2022 from a wrist injuryTough to see and underscores just how competitive the tour is#getty https://t.co/vD4NpXkx6bThe defeat also marks Thiem's second consecutive loss at Roland Garros, after he lost to Pablo Andujar in a five-set marathon in last year's edition. Dellien will face off against Karen Khachanov in the second round.#2 Pablo Cuevas def. Jenson BrooksbyJenson Brooksby slipped to a straight-sets loss in his opener at the French OpenAt the age of 36, Pablo Cuevas is not the most agile player on the tennis court, but he still made short work of Jenson Broosby at the 2022 French Open. Cuevas cruised into the next round with a straight-forward 6-2, 6-1, 6-2 win.Tick Tock Tennis@TickTockTennisSpeedy PabloPablo Cuevas has the protected ranking, but it was Jenson Brooksby who needed protection as the Uruguayan stormed to a 6-2, 6-1, 6-2 win at Roland Garros.Cuevas sprints to the win just a few minutes after his fellow 36yo, Kaia Kanepi, also pulled off an upset133Speedy PabloPablo Cuevas has the protected ranking, but it was Jenson Brooksby who needed protection as the Uruguayan stormed to a 6-2, 6-1, 6-2 win at Roland Garros.Cuevas sprints to the win just a few minutes after his fellow 36yo, Kaia Kanepi, also pulled off an upset https://t.co/WoF9ZVwpUgThe victory marks the Uruguayan's fourth top-50 win in Grand Slams, with two of them coming at Roland Garros (Dominic Thiem in 2015 and Kyle Edmund in 2019). Up next, Cuevas crosses paths with Aljaz Bedene in the second round.#3 Tallon Griekspoor def. Alejandro Davidovich FokinaAlejandro Davidovich Fokina was expected to do big things at the 2022 French Open following his run to the final at Monte-Carlo, but it was not to be. Playing against Tallon Griekspoor, the Spaniard capitulated to an unexpected 2-6, 6-0, 6-4, 6-3 loss.José Morgado@josemorgadoWow.Tallon Griekspoor gets a fantastic win over 2021 quarterfinalist Alejandro Davidovich Fokina 2-6, 6-0, 6-4, 6-3 to reach the 2nd round at #RolandGarros.Foki will leave the top 30.22224Wow.Tallon Griekspoor gets a fantastic win over 2021 quarterfinalist Alejandro Davidovich Fokina 2-6, 6-0, 6-4, 6-3 to reach the 2nd round at #RolandGarros.Foki will leave the top 30.Davidovich Fokina reached the quarterfinals last year and will be leaving the top-30 as a result of his loss. Griekspoor, on the other hand, earned his first ever top-50 win at Roland Garros and will take on either Brandon Nakashima or Kamil Majchrzak in the second round.#4 Kaia Kanepi def. Garbine MuguruzaGarbine Muguruza fell to her ninth loss of the 2022 season at the French OpenKaia Kanepi further cemented her status as the giant killer of the women's circuit, defeating yet another seeded player in the opening round of a Grand Slam. Facing off against 10th seed and former champion Garbine Muguruza at the French Open, the Estonian pulled off a comeback 2-6, 6-3, 6-4 victory.wta@WTAAnother upset in the books @KanepiKaia topples No. 10 seed Muguruza 2-6, 6-3, 6-4 to advance to R2!#RolandGarros35719Another upset in the books 📚🇪🇪 @KanepiKaia topples No. 10 seed Muguruza 2-6, 6-3, 6-4 to advance to R2!#RolandGarros https://t.co/7QdVwQTso9Muguruza was a set and a break up at one point, but Kanepi fought back in fine fashion to record her 10th top-10 win at a Slam. The loss means Muguruza slips to 7-9 in 2022. Kanepi will lock horns with Beatriz Haddad Maia in the second round.#5 Magda Linette def. Ons JabeurOns Jabeur could not recreate her clay season form at Roland GarrosThe biggest upset of the day at the French Open was definitely the first-round loss of Ons Jabeur. Squaring off against Magda Linette, the Tunisian succumbed to a 3-6, 7-6(4), 7-5 loss.OptaAce@OptaAce3 - Magda #Linette obtained her third win against top-ten players in 20 matches after defeating World No. 6 Ons Jabeur in the First Round at Roland Garros, the first one since beating Elina Svitolina (#5) at Wimbledon 2021. Stunner.@WTA @WTA_insider4363 - Magda #Linette obtained her third win against top-ten players in 20 matches after defeating World No. 6 Ons Jabeur in the First Round at Roland Garros, the first one since beating Elina Svitolina (#5) at Wimbledon 2021. Stunner.@WTA @WTA_insider https://t.co/hBdObgTtIQJabeur was one of the favorites for the title this year and looked to be cruising into the second round after taking the first set rather comfortably. However, the sixth seed's unforced errors caught up with her in the next two sets as Linette stepped up her game to pull off a remarkable upset. Up next, the Pole faces either Martina Trevisan or Harriet Dart.Also Check Out :- French Open 2022 Schedule