Karlis Ozolins
2020
| ROLAND GARROS JUNIOR | [3] | 1R |
| AUSTRALIAN OPEN JUNIOR | [12] | Semi |
| J1 TRARALGON | [9] | 2R |
2019
| J3 LIEPAJA | [1] | Win |
| J2 HAIFA | [1] | Win |
| J2 NAGOYA | [7] | Quarter |
| JAOSAKA | [11] | 2R |
| US OPEN JUNIOR | 1R | |
| J1 REPENTIGNY | 1R | |
| J1 COLLEGEPARK | Win | |
| JB1 KLOSTERS | 3R | |
| J3 NEUNKIRCHEN | [1] | Quarter |
| J2 CASTRICUM | [5] | 3R |
| J1 BERLIN | [11] | 1R |
| J1 OFFENBACH | [13] | 1R |
| J3 ISTANBUL-3 | [1] | Win |
| J3 ISTANBUL-2 | [6] | Win |
| J3 ISTANBUL | [8] | Semi |
| J3 MOHAMMEDIA | [3] | Quarter |
| J3 CASABLANCA | [8] | 2R |
| J3 TRNAVA | [3] | 3R |
| J2 SIAULIAI | Semi | |
| J2 CHISINAU | Quarter | |
| J2 SVIATOPETRIVSKEVILLAGE | [3] | 2R |
| J2 BRATISLAVA | 1R |
2018
| J1 CAMPECHE | 2R | |
| J2 PANCEVO | [8] | 1R |
| J2 GLADBECK | 1R | |
| J1 BERLIN | 1R | |
| J1 OFFENBACH | 1R | |
| J2 SIAULIAI | Semi | |
| J4 HAMBURG | [2] | Final |
2017
Nation
LAT
Age
23 years old (born in 2002)
World Ranking
ATP Ranking　626th
Year-end Junior World Ranking
- Year-end 2020 9th
- Year-end 2019 28th
- Year-end 2018 201th
Rival
leandro riedi (1-1)
lui maxted (2-0)
jerome kym (1-1)
marcello serafini (2-0)
arthur cazaux (0-2)
Match Details
ROLAND GARROS JUNIOR
| L | 1R | Juan Bautista Torres | 4-6 0-6 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Max Westphal | 6-1 6-4 |
| W | 2R | Luca Nardi | 6-3 6-4 |
| W | 3R | Leandro Riedi | 6-3 7-6 |
| W | QF | Egor Agafonov | 3-6 7-6 6-3 |
| L | SF | Arthur Cazaux | 6-4 1-6 2-6 |
J1 TRARALGON
| W | 1R | Reece Falck | 6-1 6-4 |
| L | 2R | James Mccabe | 3-6 4-6 |
J3 LIEPAJA
| W | 1R | Anton Arzhankin | 6-2 6-1 |
| W | 2R | Dawid Taczala | 6-7 6-1 6-3 |
| W | QF | Mans Dahlberg | 6-3 7-6 |
| W | SF | Lui Maxted | 6-2 6-0 |
| W | F | Jerome Kym | 3-6 6-3 6-4 |
J2 HAIFA
| W | 2R | Noah Martens | 6-1 6-4 |
| W | 3R | Anthony Genov | 6-1 2-6 6-1 |
| W | QF | Mario Gonzalez Fernandez | 6-2 6-2 |
| W | SF | Pedro Araujo | 6-1 6-2 |
| W | F | Harry Wendelken | 6-3 6-4 |
J2 NAGOYA
| W | 2R | Adrien Burdet | 0-6 6-0 6-2 |
| W | 3R | Chen Dong | 2-6 6-4 7-5 |
| L | QF | Dominic Stricker | 4-6 6-2 3-6 |
JAOSAKA
| W | 1R | Gaku Moriya | 6-4 6-3 |
| L | 2R | Jerome Kym | 3-6 0-6 |
US OPEN JUNIOR
| L | 1R | Milan Welte | 4-6 1-6 |
J1 REPENTIGNY
| L | 1R | Murphy Cassone | 4-6 0-6 |
J1 COLLEGEPARK
| W | 1R | Luke Casper | 6-3 6-2 |
| W | 2R | Hamad Medjedovic | 6-3 6-4 |
| W | 3R | Andrew Dale | 6-2 4-6 7-6 |
| W | QF | Coleman Wong | 6-2 6-3 |
| W | SF | Ryuhei Azuma | 7-6 7-6 |
| W | F | Micah Braswell | 6-4 4-6 6-2 |
JB1 KLOSTERS
| W | 2R | Tomas Luis | 6-0 3-6 6-0 |
| L | 3R | Leandro Riedi | 6-7 1-6 |
J3 NEUNKIRCHEN
| W | 1R | Alessio Vasquez | 6-3 6-4 |
| W | 2R | Alexander Kiefer | 6-2 6-3 |
| L | QF | Raphael Collignon | 6-4 6-7 4-6 |
J2 CASTRICUM
| W | 2R | Marcello Serafini | 6-2 1-6 6-3 |
| L | 3R | Mathys Erhard | 2-6 4-6 |
J1 BERLIN
| L | 1R | Marco Furlanetto | 4-6 5-7 |
J1 OFFENBACH
| L | 1R | Nino Ehrenschneider | 3-6 2-6 |
J3 ISTANBUL-3
| W | 1R | Umit Ege Cankus | 6-1 1-0 |
| W | 2R | Can Zorlu | 6-1 6-2 |
| W | QF | Simeon Terziev | 7-6 6-1 |
| W | SF | Cihan Akay | 6-7 6-3 6-1 |
| W | F | Lui Maxted | 6-2 6-2 |
J3 ISTANBUL-2
| W | 2R | Togan Makzume | 6-3 6-4 |
| W | 3R | Matas Vasiliauskas | 6-1 6-0 |
| W | QF | Maurus Malgiaritta | 6-2 6-3 |
| W | SF | Fausto Tabacco | 6-4 6-2 |
| W | F | Baran Cengiz | 3-6 6-2 7-5 |
J3 ISTANBUL
| W | 2R | Petr Stavrovskij | 6-1 6-3 |
| W | 3R | Daniel Ibragimov | 6-3 6-1 |
| W | QF | Bora Sengul | 6-3 6-3 |
| L | SF | Toby Samuel | 1-6 2-6 |
J3 MOHAMMEDIA
| W | 1R | Connor Henry Van Schalkwyk | 7-6 6-7 6-1 |
| W | 2R | Oleksandr Ovcharenko | 6-4 7-6 |
| L | QF | Terence Atmane | 5-7 3-6 |
J3 CASABLANCA
| W | 1R | Filip Jeff Planinsek | 6-3 6-2 |
| L | 2R | Aissa Benchakroun | 4-6 3-6 |
J3 TRNAVA
| W | 2R | Ivan Noel Hornung | 6-0 6-2 |
| L | 3R | Jiri Barnat | 3-6 6-3 3-6 |
J2 SIAULIAI
| W | 1R | Jasza Szajrych | 6-4 6-3 |
| W | 2R | Titouan Droguet | 6-4 6-2 |
| W | QF | Illya Beloborodko | 2-6 6-0 6-4 |
| L | SF | Gauthier Onclin | 6-4 6-7 4-6 |
J2 CHISINAU
| W | 1R | Pavel Verbin | 6-3 6-4 |
| W | 2R | Marcello Serafini | 6-4 6-3 |
| L | QF | Lorenzo Rottoli | 3-6 6-3 3-6 |
J2 SVIATOPETRIVSKEVILLAGE
| W | 1R | Andrea Fiorentini | 6-3 6-1 |
| L | 2R | Giovanni Mpetshi Perricard | 6-7 2-6 |
J2 BRATISLAVA
| L | 1R | Loris Pourroy | 6-3 2-6 3-6 |
J1 CAMPECHE
| W | 1R | Adan Gomez Ramirez | 1-6 6-3 7-6 |
| L | 2R | Alexander Lee | 4-6 6-2 1-6 |
J2 PANCEVO
| L | 1R | Lazar Milicevic | 1-5 |
J2 GLADBECK
| L | 1R | Justin Schlageter | 4-6 2-6 |
J1 BERLIN
| L | 1R | Anton Matusevich | 6-3 1-6 6-7 |
J1 OFFENBACH
| L | 1R | Rahul Dhokia | 6-2 0-6 6-7 |
J2 SIAULIAI
| W | 1R | Riccardo Di Nocera | 7-6 1-6 6-2 |
| W | 2R | Pavel Shumeiko | 7-5 |
| W | QF | Michal Mikula | 6-4 6-4 |
| L | SF | Otto Virtanen | 2-6 2-6 |
J4 HAMBURG
| W | 2R | Nino Ehrenschneider | 4-6 7-6 6-3 |
| W | 3R | Stijn Pel | 7-6 6-1 |
| W | QF | Jan Pleva | 4-6 6-2 6-0 |
| W | SF | Osman Torski | 6-4 |
| L | F | Rahul Dhokia | 6-1 4-6 1-6 |
J4 MAHDIA
| L | 1R | Arthur Cazaux | 1-6 2-6 |
J4 KELIBIA
| L | 1R | Ruben Busch | 3-6 6-1 2-6 |
J4 ANTALYA
| W | 1R | Daniil Strelchenko | 6-4 1-6 7-5 |
| L | 2R | Edoardo Graziani | 2-6 2-6 |
J2 SIAULIAI
| W | 1R | Tsimafei Basalyha | 6-2 6-4 |
| L | 2R | Georgii Kravchenko | 6-7 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14431, Number of registered players: 7,550, Number of registered results: 449,006