Sefanos Tsitsipas overcomes Roger Federer to qualify for ATP World Tour Finals

Stefas Tsitsipas defeated Roger Federer in semifinals of ATP Tour Finals on Saturday evening. Swiss, who was clearly off his rhythm lost match in straight sets 6-3, 6-4. Tsitsipas, on or hand, did t crack under pressure and rocketed into finals in his debut appearance at tournament. 

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'Dreams do come true'

Federer, who came off a solid victory over rival vak Djokovic on Thursday to qualify for final four, was t able to repeat performance 48 hours later. In match, he could t convert 12 breakpoints and me a total of 29 unforced errors. Tsitsipas broke Federer right in Swiss' first service and was able to see through set with relative ease, except final game, which went on for more than 10 minutes and Greek international h to dig in deep to close set. 

second set began in a similar fashion. Although Federer could hold his first serve, he was t able to defend for long and Greek youngster broke his serve again in second set. After that, re was looking back for Tsitsipas and he went on to seal his spot in finals of high profile tournament. Although Tsitsipas h played a gruelling match lasting 2 hours and 52 minutes against world number one Rafael Nal just 24 hours ago, he was physically and mentally sharp and his body langu was positive throughout Saturday's semifinal. 

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After match, Tsitsipas said, "I remember myself being one of se kids here, watching event and… I could never picture myself standing here, but it did happen. Dreams do come true. re is so much for me to learn from all se players. Roger, as well, I grew up watching Roger as a kid, watching him here at  Nitto ATP Finals, watching him at Wimbledon, playing [tour-level] finals, and wished I could step out on court one day and face him. Today, I'm here, living dream.”

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Through game, crowd at O2 arena in London mostly backed Federer, encouraging him with 'Let's Go Roger!' chants. support for him was evident in showdown against vak Djokovic as well. However, Federer collapsed on Saturday just way his opponent did on Thursday, and missed out on moving a step closer to securing a historic seventh ATP Finals title. 

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