Sparks flew when they met for the first time on the ATP Tour in Miami, with Medvedev confronting the Greek over his on-court conduct.
Inspired Garcia goes from Cincinnati qualifier to champion
Petra Kvitova overcame a sluggish start and 10 double faults to beat Madison Keys 6-7(6), 6-4, 6-3 on Saturday and advance to the final of the Cincinnati Open, where she will face Caroline Garcia, the first qualifier to reach the final of a WTA 1000 tournament.
Rafa Nadal returned from an injury layoff to beat Miomir Kecmanovic 6-1 7-6(4) on Wednesday
'My arm has been -- I have had an issue there for quite a while now. It has gotten bigger in the last couple of weeks, so I'm just trying to protect it.'
Greece's Tsitsipas battled back from 3-5 down in the third set to eliminate Medvedev with a 6-3, 6-7(11), 7-6(1) win to set up a showdown on Friday with Rublev for the Red Group's other semi-final spot.
Russian Andrey Rublev has become the fifth singles player to qualify for the season-ending ATP Finals in Turin next month, the men's tour said.
Images from Day 10 of the 2022 Australian Open in Melbourne on Wednesday.
Novak Djokovic secured a semi-final place at the ATP Finals with a 6-3, 6-2 victory over Russian Andrey Rublev on Wednesday, his 50th match win of the year, while Stefanos Tsitsipas withdrew from the tournament due to an elbow injury.
IMAGES from the soccer matches played across European leagues over the weekend.
World number one Carlos Alcaraz sailed into the Paris Masters third round with a 6-4, 6-4 win over Yoshihito Nishioka but Rafael Nadal and Daniil Medvedev both slumped to surprise losses on Wednesday.
Djokovic struggled to find his range early in the contest as Spaniard Davidovich Fokina raced to lead
Milan missed the chance to jump to second and remained fourth with 48 points
He was drawn in the toughest half of the draw with Nadal as well as in-form Spanish teenager Carlos Alcaraz and world number three Alexander Zverev, who could clash in the last eight.
However, the 33-year-old Spaniard will not know until later on Friday whether his Herculean effort was in vain.
Eight-time Wimbledon champion Roger Federer, who turns 40 this year, takes on Frenchman Adrian Mannarino in round one.
Daniil Medvedev was fined for an outburst against the umpire
Casper Ruud has become the first Norwegian to book a place in the season-ending ATP Finals, leaving one spot to be filled at the tournament in Turin, Italy later this month.
A tap-in by Karim Benzema and a powerful strike by substitute Marco Asensio earned European champions Real Madrid a 2-0 win over 10-man Chelsea.
Madison Keys swept past Wimbledon champion Elena Rybakina 6-2, 6-4 at the Cincinnati Open on Friday, setting up a semi-final clash with Petra Kvitova after the Czech defeated Ajla Tomljanovic.
AC Milan entered the Champions League quarterfinals for the first time in eleven years, with a draw in the round of 16 second leg against Tottenham Hotspurs.
Novak Djokovic beat Casper Ruud in the French Open final to win a men's record-extending 23rd Grand Slam title.
Zlatan Ibrahimovic scored the 500th club goal of his career
Formula One and the championship-leading Red Bull team mourned the death of the energy drink company's Austrian founder Dietrich Mateschitz on Saturday at the age of 78.
Holders Real Madrid breezed past Chelsea into the semi-finals of the Champions League with Rodrygo's double securing a 2-0 win at Stamford Bridge.
IMAGES from Day 9 of the French Open at Roland Garros in Paris on Monday.
Barcelona clinched a 1-0 away win at Atletico Madrid, while AS Roma held AC Milan to a 2-2 draw.
Manager Carlo Ancelotti said striker Kylian Mbappe's decision to snub Real Madrid and stay at Paris St Germain was not a distraction ahead of Saturday's Champions League final
Images from Day 13 of the French Open, at Roland Garros, in Paris.
Holger Rune crashed out to Yoshihito Nishioka in the ATP 250 Adelaide International 1 first round.
Kyrgios added that he had been in communication with Tennis Australia chief executive Craig Tiley and United Cup tournament director Stephen Farrow about his injury.
Stefanos Tsitsipas credited his stellar comeback win against Rafa Nadal in Wednesday's Australian Open quarter-final to his peace of mind, saying he had attained a state of "nirvana" during the match despite falling back by two sets.
IMAGES from the Australian Open matches played on Wednesday.
Nadal struggled with the problem in the build-up to the year's first Grand Slam
Djokovic has won the last three editions of Wimbledon in 2018, 2019 and last year
Here comes the Dolce & Gabbana Spring/Summer 2021 men's collection inspired from the turquoise blue shades of the sea at the Amalfi Coast.
Serbia's Novak Djokovic outclasses Russia's Andrey Rublev to set up a meeting with unseeded Tommy Paul in the semi-finals of the Australian Open on Wednesday.
The Australian brought his extraordinary brand of improvised tennis theatre to the world's greatest tennis stage
Debutant Stefanos Tsitsipas crushed defending champion Alexander Zverev 6-3, 6-2 on Wednesday to book his place in the last four of the ATP Finals with a match to spare.
After dropping the third set, Tsitsipas took a medical timeout to receive treatment on his left foot. Following set four, in which he held a 5-0 lead before a late Murray charge, Tsitsipas took an extended bathroom break and changed his kit.
