Tomáš Macháč

Macháč won his first ATP Challenger singles title at the 2020 Koblenz Open in February.

Macháč played his very first Grand Slam qualification at 2020 French Open and defeated all three opponents without losing a set before losing the competitive first round against Taylor Fritz in five sets.

Macháč did exactly the same thing at the next Grand Slam at the 2021 Australian Open losing just 14 games to qualify where he defeated Mario Vilella Martínez before losing in the second round to world No. 10 Matteo Berrettini in four sets.

He made his ATP debut at the 2021 Murray River Open with direct entry into main draw, losing in the first round to James Duckworth.

In March, Macháč won his second ATP Challenger singles title at the 2021 Nur-Sultan Challenger II.[2] As a result, he entered the top 150 at career-high of No. 137 on 8 March 2021.

He qualified to represent Czechia at the 2020 Summer Olympics where he reached the second round by defeating João Sousa.

In August, he reached his second Challenger final of 2021 at the 2021 Svijany Open where he lost to Alex Molčan in 58 minutes.[3]

Macháč made the final of the 2022 Traralgon International Challenger and won, earning his first Challenger title on an outdoor hard court.[4] As a result, he entered the top 130 on 10 January 2022. The following week he qualified for the 2022 Australian Open main draw, defeating Camilo Ugo Carabelli, Yuki Bhambri, and Jesper de Jong en route.[5] He defeated Juan Manuel Cerúndolo before falling to Maxime Cressy in the second round. As a result, he moved to a new singles career high of No. 116 on 31 January 2022.

In March, he made his Masters 1000 debut as a qualifier at the 2022 BNP Paribas Open in Indian Wells and recorded his first win at this level defeating Alexei Popyrin. He lost to World No. 1 Daniil Medvedev.[6]

In August he won his fourth Challenger title at the 2022 Kozerki Open in Poland and moved 32 positions up to No. 126 on 22 August 2022. In the same month, he qualified at the US Open making his debut at this Major.[7]

Following a final at the Challenger in Helsinki he reached a new year-end career-high of No. 104 on 21 November 2022. A week later, he further reached the top 100 at No. 98 with a quarterfinal showing at the Challenger in Andria, Italy.

In February he qualified for the 2023 Dubai Tennis Championships but lost to world No. 1 Novak Djokovic.[8]

At the 2023 U.S. Men's Clay Court Championships he reached his first ATP quarterfinal as a qualifier defeating Jack Sock and seventh seed Marcos Giron. He lost to Yannick Hanfmann.[9]

He won his fifth Challenger title at the 2023 Open d'Orléans in France and returned to the top 100 on 2 October 2023. The following week he won the Challenger 2023 Open de Vendée in Mouilleron-le-Captif, France and reached the top 85.[10]

At the 2023 Stockholm Open he entered the main draw as a lucky loser replacing fourth seed Alejandro Davidovich Fokina directly into the second round. He defeated Stan Wawrinka to reach his second ATP quarterfinal. As a result he reached the top 75.[11] He also qualified for the next tournament, the 2023 Erste Bank Open. He defeated Aleksandar Vukic and climbed to the top 65 in the rankings.