Andrey Rublev and Jaume Munar reached the Next Gen Finals last four with wins on Thursday, joining Alex de Minaur and Stefanos Tsitsipas, who both have 100 per cent records.
Russian 2017 finalist Rublev was outclassed by De Minaur on Wednesday but bounced back 24 hours later, following the Australian through from Group B.
Winless wildcard Liam Caruana went down 4-3 (9-7) 4-1 4-2 to leave Rublev far more satisfied with his performance as he approaches a semi-final against Tsitsipas.
"This was a completely different performance," he said. "My attitude, I think, was the best attitude out of these three matches.
"I was focused. I was not complaining. I was trying to fight for every point because I know that every point for me costs a lot. I was just trying to win each point, every point, doesn't matter the score."
UNBEATEN @alexdeminaur d. Fritz 4-3(8), 4-1, 4-2 and crowns himself Group B winner; @AndreyRublev97 finishes second in Group B and advances to the @nextgenfinals SF.#NextGenATP pic.twitter.com/G1iCHUHiYN— ATP World Tour (@ATPWorldTour) November 8, 2018
De Minaur was similarly dominant as he won his third straight match in Milan after a shaky first set, defeating Taylor Fritz 4-3 (10-8) 4-1 4-2.
"I'm really proud of my effort and I'm looking forward to what's next," De Minaur said.
And Munar completed the last-four line-up as the already-qualified Tsitsipas beat Hubert Hurkacz 4-1 4-3 (7-2) 4-1 in the day's late game.
Hurkacz still had the opportunity to progress ahead of that clash, but he was blown away and Munar - who ended Frances Tiafoe's hopes earlier on Thursday - instead went through.
Munar had joked after a rampant 4-1 4-3 (7-3) 4-1 triumph: "I did what I had to do and it's not in my hands anymore. Maybe we can buy a Greek flag or whatever for support."
17 de noviembre 2018
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|Marquez happy with fifth after damaging shoulder in Valencia|
|Wales crush Tonga in Cardiff|
|Germany should keep faith in old guard - Bierhoff|
|Injured Lukaku to miss Belgium´s Nations League decider|
|Zverev knocks out Federer to reach maiden ATP Finals showpiece|
|Koroibete double maintains Australia´s 100 per cent record against Italy|
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|Van Dijk: Ramos is not my type of defender|
|Vinales grabs Valencia pole as Marquez crashes|
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|Williamson steadies Black Caps after Boult heroics|
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|South Africa triumph on Gold Coast in truncated T20 clash|
|Germany without Draxler for Netherlands game|
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|Australia 1 South Korea 1: Luongo seals late draw for Socceroos|
|Irving thrives on ´peace´ of being in the zone|
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|Dybala impressed by Argentina´s improved spirit|
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|Lovren ready for ´fiery´ England clash|
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16 de noviembre 2018
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|Djokovic makes it three wins from three at ATP Finals|
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|Brazil 1 Uruguay 0: Neymar penalty settles tight contest|
|Netherlands 2 France 0: Wijnaldum & Depay decisive as Germany are relegated|
|Wales 1 Denmark 2: Jorgensen and Braithwaite seal Nations League promotion|
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|Portugal cannot focus on absent Ronaldo - Santos|
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