Summarize and humanize this content to 2000 words in 6 paragraphs in EnglishCeline Boutier played 45 holes at the LPGA Match Play in Las Vegas on Saturday before darkness halted her quarter-final (David Becker)France’s Celine Boutier produced a jaw-dropping show of stamina to keep her LPGA Match Play hopes alive on Saturday, grinding through a staggering 45 holes before darkness halted her quarter-final duel with Sweden’s Madelene Sagstrom.AdvertisementThe 31-year-old 11th seed’s exhausting day began in the last 16, when her match against South Africa’s Ashleigh Buhai finished all-square after 18 holes at the Shadow Creek Golf Course in Las Vegas.That sent both players into a marathon session of dramatic sudden death, which Boutier won on the 28th hole — the longest match in tournament history.”It was definitely tough, definitely a grind,” Boutier said.”I feel like we both played pretty steady and went back and forth a lot. I had a few chances, and she had a few chances, so it was just all the way until the end, but I’m glad it’s over.”AdvertisementAfter that energy-sapping victory, Boutier had just 30 minutes before she was back out on the course for her quarter-final against Sagstrom.Another tense tussle unfolded, with the players level after 17 holes when darkness halted play.Boutier and Sagstrom will return early on Sunday to play the 18th, with a possibility of even more playoff holes.”It was a very long day,” Boutier said after play was suspended.”I feel kind of tired, but I feel like it was a good match again this afternoon, very tight and going back and forth with Madelene. So just got to keep pushing tomorrow.”AdvertisementBoutier or Sagstrom will face a semi-final against Angel Yin of the United States, who beat Thailand’s Jeeno Thitikul 4&2.Fellow Thai Ariya Jutanugarn reached the semi-finals by defeating Sweden’s Maja Stark 4&2Ariya will face Lauren Coughlin of the United States after Coughlin had a one-up win over Australia’s Stephanie Kyriacou.rcw/dh