Jannik Sinner continues pursuit of Sunshine Double as he makes Miami Open quarter-finals

[p]Italian second seed [a href="https://www.flashscore.ca/player/sinner-jannik/6HdC3z4H/"]Sinner[/a], who is bidding to follow up his triumph at Indian Wells with victory in Miami, bided his time before completing [a href="https://www.flashscore.ca/game/tennis/michelsen-a-nDIhfm9l/sinner-j-6HdC3z4H/?mid=dSE9vHYP"]a 7-5, 7-6 (4) win[/a] in 1hr 41mins.[/p][p]The four-time Grand Slam champion, who will face 19th seed [a href="https://www.flashscore.ca/player/tiafoe-frances/AHDLJaph/"]Frances Tiafoe[/a] in the last eight, was made to work hard by the 40th-ranked [a href="https://www.flashscore.ca/player/michelsen-alex/nDIhfm9l/"]Michelsen[/a].[/p][embed guid="8e7ae6b1-9025-4f4f-a7e3-6718282cf816" url="https://x.com/TennisTV/status/2036576006866395617?s=20" social-type="twitter" /][p]After a cagey opening, Sinner began to put pressure on Michelsen's serve in the ninth game of the first set, carving out three break points.[/p][p]Michelsen rode out that storm but Sinner finally broke through in the 11th game before serving out for the first set.[/p][p]Michelsen hit back in the second set, breaking Sinner for a 4-2 lead before holding to go 5-2 up.[/p][p]Michelsen though appeared to struggle with the bright late afternoon sunlight on the Hard Rock Stadium's main court, and Sinner pounced on the reprieve.[/p][p]Sinner sealed the win with a thumping serve that Michelsen could only return wide.[/p][embed guid="be8dec8d-ce55-49bf-bd14-a68c2147ad48" url="https://www.youtube.com/watch?v=6CO9gYK23hc" social-type="youtube" /][p]"[b]I feel like I served very well in important moments and that helped me out, especially in the tough moments[/b]," said Sinner, who unfurled 15 aces to Michelsen's three.[/p][p]"[b]But today was not easy -- I played a night match yesterday and today in the daytime, so the conditions were very different[/b]."[/p][h2]Qualifier advances[/h2][p]Home hope Tiafoe advanced to his quarter-final date with Sinner after battling past France's [a href="https://www.flashscore.ca/player/atmane-terence/6mkEQ279/"]Terence Atmane[/a] [a href="https://www.flashscore.ca/game/tennis/atmare-t-6mkEQ279/tiafoe-f-AHDLJaph/?mid=6PKZtLIi"]6-4, 1-6, 6-4[/a].[/p][p]In other fourth-round games on Tuesday, Spanish qualifier [a href="https://www.flashscore.ca/player/landaluce-martin/AoOnGZEp/"]Martin Landaluce[/a], ranked 151st in the world, upset American 32nd seed [a href="https://www.flashscore.ca/player/korda-sebastian/SYklCTPO/"]Sebastian Korda[/a] to score [a href="https://www.flashscore.ca/game/tennis/korda-s-SYklCTPO/landaluce-m-AoOnGZEp/?mid=z3LbuCJr"]a 3-6, 7-6(6), 6-4 victory[/a].[/p][embed guid="7c2be449-afd8-4682-ade6-b92a56515d43" url="https://www.youtube.com/watch?v=YqYTPG56OUE" social-type="youtube" /][p]The win marked another impressive victory for the 20-year-old Landaluce, who eliminated Russian 14th seed [a href="https://www.flashscore.ca/player/khachanov-karen/4bNPtZT5/"]Karen Khachanov[/a] in the previous round.[/p][p]Korda, who had beaten world number one [a href="https://www.flashscore.ca/player/alcaraz-garfia-carlos/UkhgIFEq/"]Carlos Alcaraz[/a] in the previous round, had a match point late in the second set but Landaluce survived to set up a quarter-final meeting with Czech 21st seed [a href="https://www.flashscore.ca/player/lehecka-jiri/6PlgfXKR/"]Jiri Lehecka[/a].[/p][p]Landaluce, who had failed to register a single win at tour level in 2026 before arriving in Miami, dedicated his latest success to his late grandmother.[/p][p]"[b]She would have been 101 last week, and she passed away a few months ago. I wanted to give her the victory[/b]," Landaluce said.[/p][p]"[b]I'm playing really good this week. I knew I had to do it because there are unbelievable players here. I'm super happy to be here playing with these amazing players.[/b]"[/p][embed guid="8ce72f7c-e825-430b-83c5-e44d23eb08a6" url="https://x.com/TennisTV/status/2036507881558995109?s=20" social-type="twitter" /][p]Lehecka booked his place in the quarter-finals after ousting sixth seed [a href="https://www.flashscore.ca/player/fritz-taylor/UH09iaZ6/"]Taylor Fritz[/a] in three sets, winning [a href="https://www.flashscore.ca/game/tennis/fritz-t-UH09iaZ6/lehecka-j-6PlgfXKR/?mid=lKA6R02T"]6-4, 6-7 (4), 6-2[/a] in 2hr 25min.[/p][p]Lehecka credited his "aggressive" approach to the decisive third set for the win.[/p][p]"[b]I just felt that in the third set, if I wanted to beat a guy like Taylor, I just needed to go for it and be aggressive[/b]," Lehecka said.[/p][p]"[b]I needed to show the courage that I wanted to win the point. That's what I tried to do, and it worked well.[/b]"[/p][p]American 22nd seed [a href="https://www.flashscore.ca/player/paul-tommy/pd3ye1BS/"]Tommy Paul[/a] set up a quarter-final against France's [a href="https://www.flashscore.ca/player/arthur-fils/IoIhUqIN/"]Arthur Fils[/a] after cruising past Argentina's [a href="https://www.flashscore.ca/player/etcheverry-tomas-martin/AXL5qpKa/"]Tomas Etcheverry[/a] [a href="https://www.flashscore.ca/game/tennis/etcheverry-t-m-AXL5qpKa/paul-t-pd3ye1BS/?mid=MLrnEZKq"]6-1, 6-3.[/a][/p][p]Fils also progressed with a [a href="https://www.flashscore.ca/game/tennis/arthur-f-IoIhUqIN/vacherot-v-rFqoSYd8/?mid=lpbB6lIs"]6-4, 6-7 (4), 6-4[/a] win over Monaco's [a href="https://www.flashscore.ca/player/vacherot-valentin/rFqoSYd8/"]Valentin Vacherot[/a].[/p][p]Argentina's 18th-seeded [a href="https://www.flashscore.ca/player/cerundolo-francisco/lWQ3G6gB/"]Francisco Cerundolo[/a] followed up his upset of [a href="https://www.flashscore.ca/player/medvedev-daniil/O8qG0Nhb/"]Daniil Medvedev[/a] on Monday with a comfortable [a href="https://www.flashscore.ca/game/tennis/cerundolo-f-lWQ3G6gB/humbert-u-O4ywE5Ah/?mid=UqJnmYzJ"]6-4, 6-3[/a] defeat of French 31st seed [a href="https://www.flashscore.ca/player/humbert-ugo/O4ywE5Ah/"]Ugo Humbert[/a].[/p][p]Cerundolo will face [a href="https://www.flashscore.ca/player/zverev-alexander/dGbUhw9m/"]Alexander Zverev[/a] in the last eight after the German third seed defeated France's [a href="https://www.flashscore.ca/player/halys-quentin/EDve8Ljh/"]Quentin Halys[/a] [a href="https://www.flashscore.ca/game/tennis/halys-q-EDve8Ljh/zverev-a-dGbUhw9m/?mid=4YRNGDtJ"]7-6(4), 7-6(1)[/a].[/p][embed guid="fe25888b-4fa8-4cb3-a2e9-0fa9e265d877" url="https://x.com/TennisTV/status/2036653323840061944" social-type="twitter" /]