Sebastian Korda (/ˈkɔːrdə/KORD-ə; born July 5, 2000) is an American professional tennis player. Korda's career-high ATP singles ranking of No. 45 was achieved on 2 August 2021. He has won one ATP singles tournament, the 2021 Emilia-Romagna Open. He also won the junior title at the 2018 Australian Open, 20 years after his father Petr Korda won the senior Australian Open title.
Sebastian Korda is the son of Czech tennis player Petr Korda and former top 30 player Regina Rajchrtová, with his father having been an Australian Open champion and French Open finalist in both singles and doubles. Sebastian's older sisters Jessica and Nelly are both LPGA golf professionals. Korda grew up playing competitive junior ice hockey from the age of 3, but decided to switch to tennis at the age of 9 after accompanying his father to the 2009 US Open.[1] At age 11, he won a golf tournament in Prague, in which sister Nelly also competed.[2]
Professional career[]
2018: ATP Debut[]
Korda made his ATP main draw debut at the New York Open. As a wild card entry, he lost in the first round to Frances Tiafoe in three sets.[3]
2020: Masters 1000 and Grand Slam debut at US Open, French Open fourth round[]
Korda made his Masters 1000 debut as a qualifier at the warm-up Western & Southern Open tournament prior to the US Open. Korda made his Grand Slam debut as a wildcard at the US Open where he was defeated by Denis Shapovalov.[4]
As a qualifier, Korda reached the fourth round at the French Open after beating Andreas Seppi, 21st seed John Isner and fellow qualifier Pedro Martínez. He lost to defending (and eventual) champion Rafael Nadal in straight sets.[5]
2021: Masters quarterfinal, first ATP title & top 50 debut, Wimbledon fourth round[]
Korda made another breakthrough run at the Miami Masters, where he reached his first Masters 1000 quarterfinal. He beat 10th seed Fabio Fognini in three sets, 17th seed Aslan Karatsev in straight sets and scored his first top 10 win against Diego Schwartzman in three sets.[7] He lost to 4th seed Andrey Rublev in the quarterfinals. He also reached a then career-high ranking of ATP World No. 62 on 12 April 2021.
In May, Korda lifted his first career ATP Tour singles title at the Emilia-Romagna Open, an ATP 250 tournament first played in 2021 due to the one-week delay of the 2021 French Open. He beat Marco Cecchinato in the final and did not drop a set throughout the tournament. He also became the first American male tennis player to win on European clay since Sam Querrey in 2010.[8] As a result of this successful run, he reached a new then career-high of No. 50 on 31 May 2021.
In June at the Halle Open, his first ever ATP event on grass, Korda picked up his second top 10 win against 6th seed Roberto Bautista Agut[9] along with beating Kei Nishikori en route to the quarterfinals,[10] where he lost to eventual champion Ugo Humbert.[11] A week later, in his debut at the Wimbledon Championships, Korda reached the fourth round for the first time in his career after defeating in-form player and 15th seed Alex de Minaur, qualifier Antoine Hoang,[12] and 22nd seed Dan Evans.[13] However, he lost in the fourth round to 25th seed Karen Khachanov in five tight sets with the score in the fifth set being 10–8 after thirteen breaks of serve.[14] Despite the loss, he reached a new career-high ranking of No. 46 on 12 July 2021.
Performance timeline[]
Key
W
F
SF
QF
#R
RR
Q#
P#
DNQ
A
Z#
PO
G
F-S
SF-B
NMS
P
NH
(W) Won; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (F-S) silver or (SF-B) bronze Olympic/Paralympic medal; a (NMS) downgraded Masters Series/1000 tournament; (P) postponed; (NH) not held. SR=strike rate (events won/competed)
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
United States
Hubert Hurkacz
Marco Cecchinato
Nicolás Álvarez
Axel Geller
Dmitry Popko
Evgeny Donskoy
Ramkumar Ramanathan
Filip Horanský
Orlando Luz
Michiel de Krom 
Nicolás Mejía
Vasile-Alexandru Ghilea 
Arklon Huertas del Pino
Tseng Chun-hsin
John Isner 2–0
Roberto Bautista Agut 1–0
Marin Čilić 1–0
Fabio Fognini 1–0
Kei Nishikori 1–0
Diego Schwartzman 1–0
Jo-Wilfried Tsonga 1–0
Karen Khachanov 0–1
Denis Shapovalov 0–1
Stefanos Tsitsipas 0–1
Roberto Bautista Agut
)
1)
9)