Daniil Medvedev fired Russia to victory in the $7.5 million ATP Cup with a dominant performance against Italy in Melbourne on Sunday.
Lehecka struck eight aces and converted four of eight break chances to secure the first Top 3 win of his career.
Nine of the world's top-10 men and nine of the top-10 women have officially entered into the U.S. Open's revamped mixed doubles event, tournament organisers said on Tuesday, with former singles champions Carlos Alcaraz and Emma Raducanu teaming up.
Jannik Sinner won his maiden Grand Slam title at the Australian Open on Sunday.
Defending US Open champion Jannik Sinner continued his stellar run at the hardcourt Grand Slams with a 6-1, 6-1, 6-1 hammering of Kazakh 23rd seed Alexander Bublik on Monday to make the quarter-finals at Flushing Meadows.
Russia's Daniil Medvedev remarkably reached his ninth final of the season as he defeated Stefanos Tsitsipas 7-6(5), 7-5 at the Shanghai Masters on Saturday.
Bulgarian Grigor Dimitrov defeated Alexander Zverev 6-4, 6-7(4), 6-4 in a thrilling contest on Friday to reach the Miami Open final, where he will face world number three Jannik Sinner.
The Wimbledon men's singles semi-finals take centre stage at the All England Club on Friday.
Medvedev opened as the +225 favorite at BetMGM but has seen his odds lengthen slightly despite the absence of two of his top threats. He has had a rollercoaster 2022 since falling to Nadal in the Australian Open final.
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.
Images from Day 3 of the 2023 French Open at Roland Garros in Paris on Tuesday.
Alexander Zverev said his energy began to fade midway through his five-sets Australian Open semi-final loss to Daniil Medvedev
Top seed Carlos Alcaraz withstood a charge from qualifier Luca Nardi for a 6-1, 4-6, 6-3 victory in the second round of the Qatar ExxonMobil Open in Doha on Wednesday.
Images from Day 10 of the 2022 Australian Open in Melbourne on Wednesday.
Australian Bernard Tomic has been fined $15,000 after post-match comments saying he had been "bored" during his first round exit from Wimbledon and had faked injury.
Alexander Zverev will be third seed for the French Open but the 28-year-old German's prospects of winning his first Grand Slam title in Paris are not looking especially bright.
Novak Djokovic eased into the last four with a commanding performance over Japan's Kei Nishikori but world number two Daniil Medvedev bowed out of the men's singles at the Tokyo Olympics.
IMAGES from Day 8 of the action at the US Open at USTA Billie Jean King National Tennis Center at Flushing Meadows in New York on Monday.
'Every time I step onto this court I'm playing for history.'
Coco Gauff rallied from a break down in the final set to beat Swede Rebecca Peterson and reach the Indian Wells quarter-finals for the first time
Norwegian Casper Ruud did not let a rib injury get in the way of setting up a Madrid Open final showdown with fifth seed Jack Draper as he reached the title match without dropping a set following a 6-4 7-5 win over Francisco Cerundolo on Friday.
After losing the first set, Medvedev changed his approach midway through the second set, the Russian going for broke with pretty much every shot, particularly on second serve.
Jannik Sinner overpowered American Taylor Fritz in the final to become the first Italian man to win the US Open singles title.
Daniil Medvedev lost his world number one ranking after being defeated by Gael Monfils
Hubert Hurkacz showed his Wimbledon credentials on Sunday, hammering world number one Daniil Medvedev
Stars made their way to the Australian Open to cheer on Rafael Nadal.
Russia's Daniil Medvedev defeated Benoit Paire of France 6-3, 6-4 in the first round of the Abierto Mexicano tournament in Acapulco on Tuesday to get his quest for the world number one ranking off to a winning start.
Sinner won in Cincinnati this week to claim his fifth title of a breakout season before the revelation that he avoided a ban over two positive tests
Emma Raducanu strides onto the grasscourts of Wimbledon on Monday as the British number one
Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years
Taylor Fritz moved closer to the semis of the season-ending ATP Finals after the American beat Alex de Minaur 5-7 6-4 6-3 in their last group game on Thursday, but he will have to wait and see if Jannik Sinner can take a set off Daniil Medvedev.
A summary of Sunday's action at the US Open.
The unpredictable nature of the 2024 US Open has turned it into one of the most thrilling Grand Slam tournaments in recent memory.
Learner Tien is the youngest American man to reach the third round of the Australian Open since an 18-year-old Pete Sampras in 1990.
Coco Gauff dismantled defending champion Iga Swiatek 6-1, 6-1 on Thursday with a ruthless display to storm into her first Madrid Open final, where she will face world number one Aryna Sabalenka for the WTA 1000 title.
Medvedev suffered a jarring early exit from the Canadian Masters last week but overcame some initial problems in a tricky tie against Shapovalov to edge both sets and book a meeting with American Fritz.
Zverev cruised past home favorite Roberto Bautista Agut 6-2, 6-2, while Sabalenka triumphed over qualifier Anna Blinkova 6-3, 6-4.
Defending ATP Finals champion Novak Djokovic has pulled out of the season-ending event in Turin through injury, the Serbian said on Tuesday.
Defending champion Iga Swiatek crushed Dayana Yastremska 6-0, 6-2 and 2023 champion Elena Rybakina powered past Britain's Katie Boulter 6-0, 7-5 to reach the fourth round of Indian Wells on Sunday in displays of dominance.
Daniil Medvedev has tapped into the energy of the crowd at Melbourne Park by playing both hero and villain.