Error-strewn third seed Auger-Aliassime dumped out of US Open by Khachanov

[p]Russian world number 50 [a href="https://www.flashscore.ca/player/khachanov-karen/4bNPtZT5/"]‌Khachanov[/a], who lost the opening match in his three US Open tune-up events, was far from spectacular ‌but did enough on a day when his Canadian opponent's energy ‌level appeared to drop as the match wore on.[/p][p][b]"I saw that maybe he had some physical ‌issues ... it's part of our sport,"[/b] Khachanov said during his on-court interview. "I wish him, ‌let's say, to feel better, speedy recovery if he's injured; I don't know.[/p][p][b]"What I can say from my side is I tried to give my best performance, fighting, fighting. I'm ‌super happy to get this win."[/b][/p][p]The result meant ⁠Khachanov has now reached the third round ‌of all four Grand Slam tournaments in a single calendar year for the first time.[/p][embed guid="00ad8553-4981-42f7-95e9-3e4b7d338ca0" url="https://www.youtube.com/watch?v=PrTnLZfgHpo" social-type="youtube" /][p]Khachanov, ​who made a run to the US Open semi-finals in 2022, broke [a href="https://www.flashscore.ca/player/auger-aliassime-felix/CzXh4LAb/"]Auger-Aliassime[/a]'s serve seven times on the Louis Armstrong Stadium court ​and saved seven of the nine break points he faced en route to [a href="https://www.flashscore.ca/game/tennis/auger-aliassime-f-CzXh4LAb/khachanov-k-4bNPtZT5/?mid=YuSpXA8k"]securing only his second top-10 win at a Grand Slam.[/a][/p][p]Auger-Aliassime looked ready to ⁠whip through the first set ​after consolidating a break for a 3-0 lead but was suddenly undone by a string of errors, allowing Khachanov to pull ahead before the Canadian broke for a second time to get to 4-4.[/p][p]But Khachanov showed he was ready for a fight and ‌twice held at love while serving to stay in the set before falling short in the tiebreaker, which ended when he sent a backhand long after chasing down an Auger-Aliassime volley.[/p][p]In the second set, it was Khachanov's turn to jump ahead 3-0, but he never looked back, ultimately closing it out on his serve after coming back from 15-40 down.[/p][image alt="Key match stats" id="4dfe6fb4-ad2d-4fc9-aa5c-66625879eb27" credit-line="Flashscore" guid="36e17596-f26d-441c-a6da-b12b07e84a08" original-width="2160" original-height="2700" /][p]Khachanov cruised through the third set, breaking at love to reach 4-1 en route to wrapping up the frame on his serve and leaving Auger-Aliassime with a long road back on a ‌day when little was going right for him.[/p][p]The Russian, displaying full confidence ​in his swings, wasted little time in the fourth set, opening up ‌a 4-0 lead that appeared to drain the energy and strength from Auger-Aliassime, who looked a shell of his normal self.[/p][p]Khachanov went on to close out the encounter with a four-point hold, the final blow coming with a massive serve that Auger-Aliassime failed to return.[/p][p]Up next for Khachanov, ⁠who has only reached two quarter-finals ⁠this year, will be either Frenchman [a href="https://www.flashscore.ca/player/bonzi-benjamin/M5OpGHqH/"]‌Benjamin Bonzi[/a] or Peruvian 32nd seed [a href="https://www.flashscore.ca/player/buse-ignacio/A1LQjAPb/"]Ignacio Buse[/a].[/p][infobox id="3dc51b3a-107f-482b-9173-a97d347ef1b3" /]