Jerome Kym
2021
| US OPEN JUNIOR | [8] | Semi |
| WIMBLEDON JUNIOR | [11] | Quarter |
| J1 ROEHAMPTON | [12] | Semi |
| ROLAND GARROS JUNIOR | [6] | 2R |
| J2 TRIBUSWINKEL | [1] | Win |
| J2 OBERPULLENDORF | [1] | Final |
| J1 RICANY | [1] | Quarter |
2020
2019
| J3 LIEPAJA | [2] | Final |
| J2 NAGOYA | [15] | Quarter |
| JAOSAKA | Quarter | |
| J2 PRAGUE | [7] | Quarter |
| J2 GYOR | [8] | Final |
| J2 OBERENTFELDEN | 1R | |
| J2 CASTRICUM | [14] | Quarter |
| J3 NEUCHATEL | [5] | Semi |
| J3 DERENDINGEN | [3] | 2R |
| J2 PIESTANY | 2R | |
| J2 ISTRES | 2R | |
| J2 CAPDAIL | 1R | |
| J4 ESCH/ALZETTE | [3] | Final |
| J2 SIAULIAI | 2R | |
| J2 TUNIS | 1R |
2018
Nation
SUI
Age
23 years old (born in 2003)
World Ranking
ATP Ranking　170th
Year-end Junior World Ranking
- Year-end 2021 10th
- Year-end 2020 39th
- Year-end 2019 77th
Rival
alexander blockx (2-0)
derrick chen (2-0)
leandro riedi (1-1)
karlis ozolins (1-1)
felix gill (0-2)
Match Details
US OPEN JUNIOR
| W | 2R | Ignacio Buse | 7-6 7-5 |
| W | 3R | Adolfo Daniel Vallejo | 6-3 3-6 7-6 |
| W | QF | Samir Banerjee | 4-6 6-3 6-4 |
| L | SF | Daniel Rincon | 6-3 6-7 4-6 |
WIMBLEDON JUNIOR
| W | 1R | Gonzalo Bueno | 7-6 6-2 |
| W | 2R | Derrick Chen | 6-1 6-3 |
| W | 3R | Ozan Colak | 7-6 6-4 |
| L | QF | Juncheng Shang | 6-3 6-7 4-6 |
J1 ROEHAMPTON
| W | 1R | Mehdi Sadaoui | 7-6 7-6 |
| W | 2R | Hugo Coquelin | 6-3 6-2 |
| W | 3R | Pedro Boscardin Dias | 6-3 6-4 |
| W | QF | Luca Van Assche | 6-3 6-3 |
| L | SF | Jack Pinnington Jones | 6-7 4-6 |
ROLAND GARROS JUNIOR
| W | 1R | Abedallah Shelbayh | 6-4 6-1 |
| L | 2R | Gabriel Debru | 2-6 5-7 |
J2 TRIBUSWINKEL
| W | 1R | Mili Poljicak | 7-5 6-0 |
| W | 2R | Alexander Blockx | 7-5 6-3 |
| W | QF | Vojtech Petr | 7-5 6-4 |
| W | SF | Philip Florig | 6-2 7-5 |
| W | F | Alejandro Manzanera Pertusa | 6-3 6-1 |
J2 OBERPULLENDORF
| W | 1R | Luka Mikrut | 6-1 7-6 |
| W | 2R | Jaime Faria | 7-5 6-2 |
| W | QF | Alexander Blockx | 6-4 6-2 |
| W | SF | Lui Maxted | 6-0 6-1 |
| L | F | Kalin Ivanovski | 3-6 7-6 6-7 |
J1 RICANY
| W | 2R | Maxim Zhukov | 7-6 6-4 |
| W | 3R | Pedro Rodenas | 6-3 7-5 |
| L | QF | Mark Lajal | 1-6 5-7 |
ROLAND GARROS JUNIOR
| L | 1R | Arthur Cazaux | 6-7 3-6 |
J1 NONTHABURI
| W | 2R | James Van Herzeele | 6-7 6-3 6-4 |
| W | 3R | Yunseok Jang | 7-5 6-0 |
| W | QF | Chen Dong | 6-3 6-4 |
| L | SF | Coleman Wong | 2-6 6-7 |
J2 SIAULIAI-2
| L | 1R | Iiro Vasa | 3-6 6-4 3-6 |
AUSTRALIAN OPEN JUNIOR
| L | 1R | James Mccabe | 4-6 4-6 |
J1 TRARALGON
| L | 1R | Edward Winter | 3-6 0-6 |
J3 LIEPAJA
| W | 1R | Ivan Penev | 6-2 6-1 |
| W | 2R | Peter Alam | 6-4 6-3 |
| W | QF | Oskar Brostrom Poulsen | 6-2 6-3 |
| W | SF | Mathis Debru | 6-3 6-0 |
| L | F | Karlis Ozolins | 6-3 3-6 4-6 |
J2 NAGOYA
| W | 2R | Stefan Popovic | 2-6 7-6 7-5 |
| W | 3R | Leandro Riedi | 6-3 6-2 |
| L | QF | Mikolaj Lorens | 4-6 6-2 3-6 |
JAOSAKA
| W | 1R | Ryoma Matsushita | 7-6 6-4 |
| W | 2R | Karlis Ozolins | 6-3 6-0 |
| W | 3R | Marko Andrejic | 6-0 6-1 |
| L | QF | Harold Mayot | 2-6 6-2 4-6 |
J2 PRAGUE
| W | 2R | Jan Pucalka | 6-1 6-4 |
| W | 3R | Matteo Gigante | 4-6 7-5 6-3 |
| L | QF | Pablo Alemany | 4-6 6-7 |
J2 GYOR
| W | 1R | Mate Cseresznyes | 6-1 6-1 |
| W | 2R | Younes Djouder | 7-6 6-4 |
| W | QF | Ondrej Horak | 6-0 6-0 |
| W | SF | Derrick Chen | 6-4 6-0 |
| L | F | Felix Gill | 4-6 1-6 |
J2 OBERENTFELDEN
| L | 1R | Oscar Weightman | 6-7 1-6 |
J2 CASTRICUM
| W | 2R | Artur Ivanenko | 6-3 6-0 |
| W | 3R | Lodewijk Weststrate | 5-7 6-4 7-6 |
| L | QF | Filip Misolic | 4-6 3-6 |
J3 NEUCHATEL
| W | 1R | Max Westphal | 6-3 3-6 6-1 |
| W | 2R | Ondrej Horak | 7-5 6-3 |
| W | QF | Noah Lopez | 6-4 6-3 |
| L | SF | Maurus Malgiaritta | 4-6 4-6 |
J3 DERENDINGEN
| W | 1R | Bikramjeet Singh Chawla | 6-1 6-2 |
| L | 2R | Nicolas Simkin | 3-6 6-3 4-6 |
J2 PIESTANY
| W | 1R | Egor Novikov | 6-2 6-1 |
| L | 2R | Lukas Neumayer | 3-6 6-2 3-6 |
J2 ISTRES
| W | 1R | Allan Deschamps | 6-1 7-6 |
| L | 2R | Taha Baadi | 2-6 5-7 |
J2 CAPDAIL
| L | 1R | Terence Atmane | 2-6 2-6 |
J4 ESCH/ALZETTE
| W | 1R | Freek Van Donselaar | 6-3 6-1 |
| W | 2R | Antoine Vicaire | 6-2 7-6 |
| W | QF | Roey Tabet | 6-0 6-0 |
| W | SF | Benito Sanchez Martinez | 4-3 |
| L | F | Leandro Riedi | 2-6 1-6 |
J2 SIAULIAI
| W | 1R | Wojciech Marek | 6-4 7-5 |
| L | 2R | Leonardo Malgaroli | 4-6 3-6 |
J2 TUNIS
| L | 1R | Felix Gill | 2-6 4-6 |
J3 RAMATHASHARON
| W | 1R | Lukas Neumayer | 6-3 4-6 6-2 |
| W | 2R | Egor Agafonov | 4-6 7-6 6-2 |
| W | QF | Jeremy Schifris | 6-3 7-6 |
| L | SF | Hamad Medjedovic | 3-6 2-6 |
J2 HAIFA
| W | 1R | Shay Buchnik | 6-4 6-2 |
| L | 2R | Baran Cengiz | 6-3 4-6 4-6 |
J2 SANXENXO
| W | 1R | Carlos Gimeno Valero | 7-6 |
| L | 2R | Harry Wendelken | 0-6 1-6 |
J2 PONTEVEDRA
| L | 1R | Max Wiskandt | 6-7 6-7 |
J2 OBERENTFELDEN
| L | 1R | Rudolf Niklas Christiansen | 3-6 3-6 |
J2 PRATO
| W | 1R | Guglielmo Stefanacci | 6-1 6-0 |
| L | 2R | Filippo Speziali | 4-6 2-6 |
J2 SALSOMAGGIORETERME
| L | 1R | Federico Arnaboldi | 3-6 1-6 |
J4 ESCH-ALZETTE
| W | 1R | Guy Den Ouden | 6-4 6-1 |
| L | 2R | Tom Biston | 1-6 7-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14549, Number of registered players: 7,577, Number of registered results: 451,713