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Swiss tennis player
Jérôme Cyrill Kym (born 12 February 2003) is a Swiss professional tennis player.
He has a career high ATP singles ranking of world No. 123 and a doubles ranking of No. 192 both achieved on 19 May 2025. He is currently the No. 1 Swiss player.[ 1]
Kym represents Switzerland at the Davis Cup , where he has a W/L record of 3–2.[ 2]
2019: Davis Cup debut [ edit ]
In February 2019, partnering Henri Laaksonen , they defeated the Russian duo of Evgeny Donskoy and Andrey Rublev in his first doubles Davis Cup tie.[ 3]
2024-2025: Maiden Challenger title, ATP debut & quarterfinal, top 125[ edit ]
Kym won his maiden Challenger title at the 2024 UniCredit Czech Open as a qualifier defeating Tseng Chun-hsin .[ 4]
Following his second Challenger title at the 2024 Zug Open he reached the top 200 at world No. 181 on 29 July 2024.[ 5]
At the 2024 Swiss Indoors in Basel, Kym qualified for his first ATP 500 main draw[ 6] [ 7] [ 8] but lost to fifth seed Ugo Humbert .[ 9] He reached the top 125 at world No. 123 on 19 May 2025, following the 2025 Italian Open .
Kym recorded his first ATP wins at the 2025 Swiss Open Gstaad as a wildcard, over qualifiers Calvin Hemery [ 10] [ 11] [ 12] and Francesco Passaro to reach his first ATP Tour quarterfinal.[ 13] [ 14]
ATP Challenger Tour finals [ edit ]
Singles: 2 (2 titles)[ edit ]
Legend
ATP Challenger Tour (2–0)
Doubles: 3 (1 title, 2 runner-ups)[ edit ]
Legend
ATP Challenger Tour (1–2)
Finals by surface
Hard (0–2)
Clay (1–0)
ITF World Tennis Tour finals [ edit ]
Singles: 7 (3 titles, 4 runner-ups)[ edit ]
Finals by surface
Hard (2–3)
Clay (1–1)
Result
W–L
Date
Tournament
Surface
Opponent
Score
Loss
0–1
Jun 2022
M15 Heraklion, Greece
Hard
Omar Jasika
2–6, 2–6
Loss
0–2
Sep 2022
M25 Setúbal, Portugal
Hard
Adrià Soriano Barrera
6–7(7–9) , 3–6
Loss
0–3
Sep 2022
M25 Plaisir, France
Hard (i)
Antoine Hoang
6–7(0–7) , 3–6
Win
1–3
Apr 2023
M25 Trento, Italy
Hard (i)
Alastair Gray
7–6(9–7) , 6–2
Win
2–3
Jan 2024
M15 Manacor, Spain
Hard
Pol Martín Tiffon
6–4, 6–2
Win
3–3
Apr 2024
M15 Antalya, Turkey
Clay
Yanaki Milev
7–5, 6–2
Loss
3–4
May 2024
M15 Villach, Austria
Clay
Justin Engel
3–6, 6–3, 3–6
Doubles: 5 (2 titles, 3 runner-ups)[ edit ]
Finals by surface
Hard (0–1)
Clay (2–2)
Result
W–L
Date
Tournament
Surface
Partner
Opponents
Score
Loss
0–1
May 2022
M15 Antalya, Turkey
Clay
Maks Kaśnikowski
Bruno Kuzuhara Victor Lilov
walkover
Loss
0–2
Apr 2023
M25 Split, Croatia
Clay
Maks Kaśnikowski
Piotr Matuszewski Oleg Prihodko
2–6, 6–7(6–8)
Loss
0–3
Jan 2024
M15 Manacor, Spain
Hard
Adrià Soriano Barrera
Michiel de Krom Ryan Nijboer
4–6, 6–4, [9–11]
Win
1–3
Apr 2024
M25 Hammamet, Tunisia
Clay
Raphaël Collignon
Luca Giacomini Giuseppe Tresca
6–4, 7–5
Win
2–3
May 2024
M15 Villach, Austria
Clay
Nico Hipfl
Adrian Oetzbach Miloš Karol
6–4, 6–3