Grit, determination, nerves were all on show at the US Open final.
Roger Federer's bid to win a ninth Halle Open title was ended in the semi-final on Saturday by teenage German Alexander Zverev, who defeated the 17-time Grand Slam champion 7-6(4), 5-7, 6-3.
Daniil Medvedev fired Russia into the final of the ATP Cup on Saturday with a tense 3-6, 6-3, 7-5 win over an injury-hampered Alexander Zverev after the German destroyed a racket in frustration over a lost service break.
The victory over the 19-times Grand Slam champion was the second ATP World Tour Masters 1000 title of the season for the 20-year-old German, who also beat Novak Djokovic in Rome.
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
However, the 33-year-old Spaniard will not know until later on Friday whether his Herculean effort was in vain.
Alexander Zverev became the first German to reach the last four at the ATP Finals for 15 years as he beat American John Isner 7-6(5), 6-3 at the O2 Arena on Friday.
Petra Martic kept her composure to advance to the Round of 16
Novak Djokovic will swiftly overcome the disappointment of failing to win a calendar Grand Slam and a record-breaking 21st major at the U.S. Open, former Yugoslavia Davis Cup coach Radmilo Armenulic said.
Novak Djokovic confirmed he will be coached by Andre Agassi at the French Open after being humbled by German youngster Alexander Zverev in the final of the Italian Open on Sunday.
Muguruza wins all-Spanish clash with Badosa at WTA Finals
Second seed Novak Djokovic outclassed Roger Federer in straight sets to enter the final of Australian Open in Melbourne on Thursday. Seven-time champion Djokovic started off slowly before he took complete control to register an emphatic 7-6, 6-4, 6-3 victory in the first semi-final.
IMAGES from Day 5 of the French Open at Roland Garros in Paris on Thursday.
The 21-year-old has now recorded victories over all of tennis's so called 'Big Three' this year, having beaten Roger Federer at the Australian Open and Rafa Nadal in Madrid.
Tsitsipas had lost all five previous matches against the Russian, but turned the tables in impressive fashion.
Zverev will have a chance to spoil the birthday party for Nadal, who turns 36 on Friday
IMAGES from matches on Day 4 of the US Open at Flushing Meadows in New York on Thursday.
World number one Rafael Nadal has been drawn alongside defending champion Alexander Zverev, Association of Tennis Professionals (ATP) reported.
Images from Day 6 at the French Open, at Roland Garros, in Paris, on Friday.
The victory saw him move up by three places to stand only behind Spain's Rafael Nadal and Swiss star Roger Federer.
Thiem, who also played in the charity event but did not contract the virus, told Austrian media that Kyrgios had "made a lot of mistakes" and should not criticise others.
Djokovic sets sights on Paris Olympics
Carlos Alcaraz came through a testing third round encounter against Nicolas Jarry.
The hosts had blanked Germany in their opening tie and became the first to seal a quarter-final spot with their second 3-0 win in the inaugural team event.
'Generally, I'm happy outside the court, happy on the court, happy in life. Then I think you play your best.'
Nadal has won the Australian and the French Open back-to-back and has the chance to become the first man to win all four majors in the same year
Images from Day 10 of the 2021 US Open in New York on Thursday.
The 21-year-old German, one of the brightest stars in men's tennis, is yet to progress beyond the quarter-finals at a Grand Slam.
Novak Djokovic is bidding to win the title for the first time since 2015 and equal Roger Federer's six.
Dominic Thiem has reached a Grand Slam final three times - only to lose on each occasion
Shapovalov will meet Rafael Nadal for a place in the semi-finals.
With Federer certain, young Austrian Dominic Thiem is third in the ATP race to London, followed by Stan Wawrinka, Alexander Zverev, Djokovic, world number one Andy Murray, and Belgium's David Goffin.
Homeland favorite Ashleigh Barty and Serbia's Novak Djokovic are the top seeds for the upcoming Australian Open.
Japan has extended a state of emergency in Tokyo and three other areas until the end of May as the country battles a surge in COVID-19 cases
Medvedev tames claycourt demons to advance in Madrid.
Alexander Zverev has proven himself as the best of tennis' new generation of men's players
World number three Stan Wawrinka beat Roberto Bautista Agut 7-6(8) 6-2 on Saturday and will play Alexander Zverev in the St. Petersburg Open final. The Swiss top seed, playing his first tournament since beating Novak Djokovic to win the U.S. Open title, wore down the Spanish fourth seed Bautista Agut after a tight first set.
Rafael Nadal needs to play more aggressively if he is to claim a record-extending 11th French Open title as a pack of young wolves is breathing down his neck, according to three-time Roland Garros champion Mats Wilander.
The 21-year-old German upstart produced some dazzling tennis and thoroughly deserved his 7-5, 7-6 (5) win against the six-time champion in a captivating semi-final.
Muguruza seals semi-final berth, Pliskova beats Krejcikova at WTA Finals.