Lehecka struck eight aces and converted four of eight break chances to secure the first Top 3 win of his career.
Jannik Sinner beat Czech Jiri Lehecka in a rain-hit Miami Open final on Sunday to become the first man to complete the coveted 'Sunshine Double' without dropping a set.
Yuki Bhambri and Goran Goransson defeated Sander Arends and Jiri Lehecka to reach the quarterfinals of the Indian Wells Masters men's doubles event.
Jannik Sinner defeated Alexander Zverev to reach the Miami Open final, where he will face Jiri Lehecka. Sinner is aiming to complete the 'Sunshine Double' after his Indian Wells victory.
Yuki Bhambri and Andre Goransson secured a comfortable victory in the first round of the Indian Wells Masters, defeating David Pel and Fabrice Martin in straight sets.
World number three Carlos Alcaraz was left ruing a mistake that let Jiri Lehecka off the hook in the third set and allowed the Czech to fight back and claim a 6-3, 3-6, 6-4 victory in the Qatar Open quarter-finals on Thursday.
17-year-old beat Zachary Svajda at the Miami Open on Thursday to become the youngest man to win an ATP Masters 1000 match since Rafael Nadal in 2003.
Rei Sakamoto wins on ATP debut as five teenagers reach Miami Open Round 2 for the first time since 2007.
Carlos Alcaraz, who triumphed at Queen's a few weeks before claiming his first Wimbledon title in 2023, extended his winning streak to 18 matches.
Spain bounced back from an opening singles defeat on Thursday to beat the Czech Republic 2-1 and reach the Davis Cup semi-finals for the first time in six years where they will face Germany, who earned their own comeback win over Argentina.
Medvedev outlasts Zverev to reach Halle final
Novak Djokovic outclassed American Taylor Fritz to set up a high-voltage semi-final showdown against Carlos Alcaraz.
A solitary break in the eighth game was all Djokovic needed to take the opening set, as the 37-year-old looked in total control despite playing well within himself in perfect conditions at a packed centre court.
The 24-year-old then pounced with Lehecka serving at 4-5, reaching match point with a searing backhand pass and wrapping up victory as his opponent netted a backhand.
'The only reason I come back is because of the love you (fans) give me'
Images from the men's singles fourth round matches at the Australian Open, on Sunday.
Rohan Bopanna teamed up with Belgium's Sander Gille to enter the quarterfinals of the ATP 250 Boss Open in Stuttgart
'It has been unforgettable, and I can only say 'thank you'. It has been an incredible journey. It's very difficult, but life and my body have been sending signals to me for a long time.'
Australian broadcaster Tony Jones has apologised to Novak Djokovic and fans of the Serbian for comments he made on TV on Friday night.
Andrey Rublev reached the final of the Qatar Open on Friday with a 7-5, 4-6, 7-6(5) win over Canada's Felix Auger-Aliassime, and will meet Jack Draper in the decider after the Briton beat Czech Jiri Lehecka.
Twice defending champion Jessica Pegula crashed out of the Canadian Open after losing to Anastasija Sevastova 3-6, 6-4, 6-1 in the third round on Friday, while six-times major winner Iga Swiatek marched on with a dominant 6-2, 6-2 win over Eva Lys.
American lucky loser Reilly Opelka put up an intense battle to stun top seed Daniil Medvedev 7-6(5), 7-6(5) and reach the semi-finals in Den Bosch on Friday.
Teenager Andreeva shows her mettle, Pegula advances at French Open
World number one Jannik Sinner delivered a flawless performance to pulverise Czech Jiri Lehecka in straight sets in little more than 90 minutes on Saturday.
Iga Swiatek was the latest top player to suffer an upset loss in Montreal as the Wimbledon champion
Defending champion Jannik Sinner swept past Felix Auger-Aliassime 6-0, 6-2 on Thursday to reach the Cincinnati Open semi-finals, the world number one extending his hardcourt winning streak to 25 matches.
Top seed Carlos Alcaraz cruised into the quarter-finals of the Queen's Club Championships.
Top seed Carlos Alcaraz overcame Croatia's Marin Cilic to reach the round of 16 at the Qatar Open.
No. 1 seed Carlos Alcaraz of Spain was pushed to three sets before finishing off Dutch wild card Botic van de Zandschulp in the first round of the ABN AMRO Open.
Carlos Alcaraz, who advanced to the last eight in Cincinnati for the third time, has now won 36 of his last 38 matches.
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.
Carlos Alcaraz was pushed all the way by fellow-Spaniard Jaume Munar in a thrilling contest
Novak Djokovic became the oldest man to reach the quarter-finals at all four Grand Slams in a single season.
Carlos Alcaraz avoided another scare at the Queen's Club ATP 500 event as the top-seeded Spaniard dispatched France's Arthur Rinderknech with little fuss 7-5, 6-4 to reach the semi-finals on Friday.
Carlos Alcaraz swatted aside a swarm of bees and world number six Alexander Zverev to reach the semi-finals at Indian Wells.
'We both played high level but I stayed so calm and I really enjoyed the battle.'
Draper, 23, has won only two matches in three previous visits to Wimbledon. But the past 12 months has seen him evolve from a player regarded as physically fragile to a beast of the courts with the weapons to challenge the very best.
Rublev came into the tournament on a four-match losing streak, but has eased into the final, knocking out second seed Carlos Alcaraz on the way, and will face unseeded Canadian Auger-Aliassime for the title on Sunday.
Nadal held his nerve as he was tested by the 91st-ranked Argentine
'I've been a little bit shocked this week with how players have been treated by the broadcaster.'