Miomir Kecmanović

In March, he received a wild card entry for the qualifying draw at Miami Masters and defeated 22nd seed and world No. 117 Henri Laaksonen in straight sets in the first round, before losing the deciding qualifying match to 11th seed and world No. 114 Lukáš Lacko.

Serbian Davis Cup captain, Nenad Zimonjić, planned to include Kecmanović as a fifth player for Serbia's 7–9 April Davis Cup quarterfinal tie versus Spain, but as Kecmanović received a wild card for Panamá Cup Challenger, he instead chose to play in his first career challenger and lost in the first round to top seed and world No. 86 Horacio Zeballos in 3 sets, 6–2, 4–6, 2–6.

In April, he defeated 4th seed Michael Mmoh and 6th seed Dennis Novikov in the qualifying rounds to reach the main draw of U.S. Men's Clay Court Championships ATP 250 event in Houston, where he lost to 7th seed Ryan Harrison in the first round.

He defeated 30th seed Laslo Djere on his way to the quarterfinals, before losing to in straight sets to Milos Raonic.

This result meant that Kecmanović was ranked in the top 100 for the first time.

In Miami, he beat former top-10 player Ernests Gulbis in the first round before losing to Frances Tiafoe in two tiebreak sets.

At the French Open, Kecmanović played in the main draw, beating Denis Kudla in five sets before losing to David Goffin.

This was his first grand slam win.

At the Antalya Open, he reached his first ATP final, losing to Lorenzo Sonego in the final.

His semi final against 3rd seed Jordan Thompson was notable for featuring no breaks of serve, with Kecmanović saving all three break points on his serve.

Miomir Kecmanović (Миомир Кецмановић, ; born 31 August 1999) is a Serbian professional tennis player.

Kecmanović reached his best singles ranking of world No. 27 on 16 January 2023 and he peaked at world No. 135 on 10 April 2023 in the doubles rankings.

He has won one singles and one doubles ATP titles, as well as two Challenger titles in his career.

He is currently the No. 3 Serbian player.

In July and August, Kecmanović played World TeamTennis league and helped Springfield Lasers win its first ever championship after losing five times in the finals between 1999 and 2014.

They defeated Philadelphia Freedoms, 19–18 in the final, after Kecmanović rallied from a 1–3 deficit in the final set to defeat Kevin King, 5–3, and earn Finals MVP honors.

On the strength of three semifinal and one quarterfinal appearance in challenger events in September and October, Kecmanović reached the top 150 for the first time on 22 October, being ranked world No. 149.

He closed out the season on a high note, reaching the final of the Liuzhou challenger and winning the Shenzhen challenger, to finish the season with a then career-high ranking of world No. 132.

He earned his first ATP victory by defeating world No. 56 Leonardo Mayer at the Brisbane International.

He played in the BNP Paribas Open as a lucky loser.

At Sarasota Kecmanović played in his third successive challenger, losing in the second round to 7th seed and world No. 114 Laaksonen.

Kecmanović received a wild card for the qualifying draw of another ATP tournament, Istanbul Open, where he defeated 2nd seed Mirza Bašić in the opening round, but lost to 8th seed Daniel Brands in the deciding qualifier.

Between May and July, Kecmanović played in four futures tournaments in Turkey and Belgium, respectively, winning two and reaching another final and one semifinal.

He then resumed playing in challengers, playing three in Asia, with the best result coming in August in Chengdu, where he was stopped in the quarterfinals.

In September, Kecmanović was again in the plans to be a fifth player in 15–17 September Davis Cup semifinal against France, but as he received a wildcard for Banja Luka Challenger, he chose to play it in order to improve his ATP ranking, and again lost in the first round.

He next played three futures in Italy, getting to one semifinal and two quarterfinals.

He finished the season playing in three challengers in China and had his biggest achievement to date in October in Suzhou, when he won the first challenger title of his career by beating 3rd seed and world No. 113 Radu Albot, 6–4, 6–4, in the final.

After reaching two quarterfinals in three challengers to start the season, Kecmanović broke into the top 200 for the first time in his career on 5 February, when he was ranked 194th on the ATP list.

In March, he made his ATP main draw debut when he was granted wild card for Miami Masters, losing to Denis Istomin in the first round.

He next played in San Luis Potosí Challenger in Mexico and had his first wins on the Challenger level after defeating 3rd seed and world No. 135 Stefan Kozlov in straight sets, Emilio Gómez in three sets and 7th seed Marcelo Arévalo in straight sets, before losing in the semifinals to 8th seed Adrián Menéndez Maceiras.

In December 2015, Kecmanović won the Orange Bowl in a 3-set match against Stefanos Tsitsipas from Greece, 6–3, 2–6, 7–6(5).

He reached the final in singles at 2016 Junior US Open where he was defeated by Canadian Félix Auger-Aliassime.

He finished the year 2016 as ITF Juniors number 1 ranked tennis player.

Kecmanović was a fifth (reserve) player on a Serbian Davis Cup team in their quarterfinal tie against Great Britain in the 2016 Davis Cup – a standard practice of Tennis Federation of Serbia for each tie to invite a different talented young player to practice with regular players and gain necessary experience.

Kecmanović credited this experience for finishing the year as junior world No. 1 and said that he is looking forward to one day make the team and play for Serbia.

In January 2017, Kecmanović won his first singles ITF pro circuit title in Sunrise, Florida, US.

Kecmanović won his first Wimbledon match at The Championships 2019, beating Roberto Carballés Baena in four sets, before retiring against Benoît Paire two sets to love down.

In Atlanta, he beat Jack Sock and 8th seed Ugo Humbert both in straight sets, before losing in the quarter-finals to eventual finalist and 2nd seed Taylor Fritz.

In the Citi Open, he beat Alexei Popyrin and Pierre-Hugues Herbert before losing to Norbert Gombos.

Having missed the Roger's Cup Masters Tournament, Kecmanović's breakthrough came at the Western and Southern Open.