Constantinos Koshis
2022
| US OPEN JUNIOR | 1R | |
| J1 REPENTIGNY | [13] | 2R |
| J1 ROEHAMPTON | 3R | |
| JAMILAN | 2R | |
| JAOFFENBACH | 2R | |
| J1 BEAULIEU-SUR-MER | [8] | 1R |
| J1 PLOVDIV | 2R | |
| J1 VRSAR | [8] | 2R |
| J1 VILLENA | [11] | 2R |
| J2 BENICARLO | [3] | Quarter |
| J2 VALENCIA | [1] | Semi |
| AUSTRALIAN OPEN JUNIOR | 3R | |
| J1 TRARALGON | 1R |
2021
| JAPLANTATION | 1R | |
| J1 BRADENTON | 1R | |
| J2 SOUSSE-2 | [7] | Quarter |
| J1 SANXENXO | Quarter | |
| J2 VIGO | [7] | 1R |
| J1 VRSAR | 3R | |
| JAMILAN-2 | 1R | |
| J1 BYTOM | 1R | |
| J2 HANNOVER | Quarter | |
| J1 RICANY | 2R | |
| J2 HASKOVO | Quarter | |
| J1 PLOVDIV | 1R | |
| J1 VILLENA | 2R | |
| J2 BENICARLO | 2R | |
| JACRICIUMA | 1R | |
| J1 PORTOALEGRE | 1R | |
| J1 LAMBARE | 1R | |
| J1 SALINAS | 2R | |
| J1 SVYATOPETRIVSKEVILLAGE | Quarter |
2020
| J3 ISTANBUL-9 | Semi | |
| J3 LOUSADA-4 | 1R | |
| J3 LOUSADA-3 | [6] | Quarter |
| J2 BYTOM | [6] | Quarter |
| J2 NOVISAD-2 | [5] | Quarter |
| J3 MANACOR-2 | [4] | 1R |
| J3 OBERHACHING | [6] | 1R |
| J2 CHISINAU | 2R | |
| J1 SVIATOPETRIVSKEVILLAGE | 2R |
2019
| J1 SANTACROCESULLARNO | 1R | |
| J4 MARSA | [1] | Semi |
| J4 ANTALYA-2 | [6] | Win |
| J3 LIMASSOL | Quarter | |
| J5 ANTALYA | [12] | Semi |
| J5 BEERSHEVA | Semi | |
| J4 TELAVIV | Final |
Nation
CYP
Year-end Junior World Ranking
- Year-end 2022 110th
- Year-end 2021 96th
- Year-end 2020 175th
- Year-end 2019 258th
Rival
ozan baris (0-3)
mika lipp (1-2)
lui maxted (0-3)
connor henry van schalkwyk (1-1)
gabriel debru (1-1)
Match Details
US OPEN JUNIOR
| L | 1R | Ozan Baris | 3-6 4-6 |
J1 REPENTIGNY
| L | 2R | Adhithya Ganesan | 2-6 6-7 |
J1 ROEHAMPTON
| W | 1R | Benjamin Gusic Wan | 4-6 6-3 6-4 |
| W | 2R | Connor Henry Van Schalkwyk | 6-7 6-4 7-6 |
| L | 3R | Coleman Wong | 6-7 4-6 |
JAMILAN
| W | 1R | Matteo Ceradelli | 6-1 6-4 |
| L | 2R | Bor Artnak | 2-6 4-6 |
JAOFFENBACH
| W | 1R | Massimo Giunta | 6-4 1-6 6-4 |
| L | 2R | Alexander Blockx | 3-6 6-7 |
J1 BEAULIEU-SUR-MER
| L | 1R | Jules Leroux | 3-6 4-6 |
J1 PLOVDIV
| W | 1R | Togan Tokac | 6-3 5-7 6-4 |
| L | 2R | Ozan Baris | 5-7 3-6 |
J1 VRSAR
| L | 2R | Federico Bondioli | 6-7 6-7 |
J1 VILLENA
| L | 2R | Peter Buldorini | 4-2 3-5 11-13 |
J2 BENICARLO
| W | 1R | Izan Orgiles Garcia Retamero | 6-3 6-1 |
| W | 2R | Eric David Verdes | 0-6 6-4 6-3 |
| L | QF | Aleksa Pisaric | 7-5 6-7 5-7 |
J2 VALENCIA
| W | 1R | Alvaro Peiro Serrano | 6-3 6-4 |
| W | 2R | Tomas Quesada Perez | 6-2 6-1 |
| W | QF | Iker Sevilla | 6-2 6-2 |
| L | SF | Martin Landaluce | 2-6 4-6 |
AUSTRALIAN OPEN JUNIOR
| W | 1R | Gabriel Debru | 6-4 4-6 6-4 |
| W | 2R | Jeremy Jin | 6-4 6-2 |
| L | 3R | Kilian Feldbausch | 2-6 3-6 |
J1 TRARALGON
| L | 1R | Jakub Nicod | 4-6 1-6 |
JAPLANTATION
| L | 1R | Sebastian Sec | 4-6 6-4 2-6 |
J1 BRADENTON
| L | 1R | Adam Jurajda | 3-6 3-6 |
J2 SOUSSE-2
| W | 1R | Amirkhamza Nasridinov | 6-2 6-4 |
| W | 2R | Martyn Pawelski | 6-3 6-1 |
| L | QF | Connor Henry Van Schalkwyk | 2-6 6-3 6-7 |
J1 SANXENXO
| W | 1R | Emilio Sanchez Bronzetti | 6-4 6-1 |
| W | 2R | Alessio Basile | 6-4 6-2 |
| L | QF | Gabriel Debru | 6-2 3-6 2-6 |
J2 VIGO
| L | 1R | Lennon Roark Jones | 3-6 7-6 3-6 |
J1 VRSAR
| W | 1R | Matej Dodig | 7-5 6-3 |
| W | 2R | Gerard Campana Lee | 6-0 6-3 |
| L | 3R | Maks Kasnikowski | 1-6 0-6 |
JAMILAN-2
| L | 1R | Mika Lipp | 5-7 4-6 |
J1 BYTOM
| L | 1R | Aleksander Orlikowski | 1-6 1-6 |
J2 HANNOVER
| W | 1R | Oliver Olsson | 6-2 6-3 |
| W | 2R | Adam Jurajda | 6-1 7-5 |
| L | QF | Edas Butvilas | 2-6 0-6 |
J1 RICANY
| W | 1R | Jakub Prachar | 7-5 6-2 |
| L | 2R | Philip Sekulic | 6-4 1-6 5-7 |
J2 HASKOVO
| W | 1R | Stefan Popovic | 6-4 7-5 |
| W | 2R | Filip Pieczonka | 6-4 6-4 |
| L | QF | Robin Bertrand | 4-6 6-2 1-6 |
J1 PLOVDIV
| L | 1R | Robin Bertrand | 5-7 3-6 |
J1 VILLENA
| W | 1R | Antoine Ghibaudo | 6-0 6-4 |
| L | 2R | Viacheslav Bielinskyi | 3-6 7-6 5-7 |
J2 BENICARLO
| W | 1R | Igor Kudriashov | 4-6 6-4 6-4 |
| L | 2R | Daniel Merida | 5-7 3-6 |
JACRICIUMA
| L | 1R | Bruno Kuzuhara | 6-3 5-7 5-10 |
J1 PORTOALEGRE
| L | 1R | Henrique Rocha | 2-6 1-6 |
J1 LAMBARE
| L | 1R | Max Hans Rehberg | 6-7 7-6 4-6 |
J1 SALINAS
| W | 1R | Mika Lipp | 6-2 6-2 |
| L | 2R | Ozan Baris | 4-6 3-6 |
J1 SVYATOPETRIVSKEVILLAGE
| W | 1R | Olaf Pieczkowski | 6-4 6-4 |
| W | 2R | Daniil Ostapenkov | 6-4 6-4 |
| L | QF | Matthew William Donald | 4-6 1-6 |
J3 ISTANBUL-9
| W | 1R | Nikita Kashirin | 6-2 6-3 |
| W | 2R | Adit Sinha | 5-7 6-2 6-2 |
| W | QF | Mark Lajal | 6-4 6-3 |
| L | SF | Zsombor Velcz | 1-6 2-6 |
J3 LOUSADA-4
| L | 1R | Lui Maxted | 1-6 1-6 |
J3 LOUSADA-3
| W | 1R | Jaime Faria | 6-7 7-5 6-2 |
| W | 2R | Giacomo Revelli | 6-2 6-3 |
| L | QF | Lui Maxted | 6-7 7-6 2-6 |
J2 BYTOM
| W | 1R | Jasza Szajrych | 6-4 6-4 |
| W | 2R | Olaf Pieczkowski | 6-1 7-6 |
| L | QF | Maks Kasnikowski | 4-6 6-2 1-6 |
J2 NOVISAD-2
| W | 1R | Veljko Krstic | 6-4 2-6 6-2 |
| W | 2R | Nikolay Nedelchev | 6-3 6-4 |
| L | QF | Marko Topo | 2-6 2-6 |
J3 MANACOR-2
| L | 1R | Pablo Masjuan | 6-2 4-6 5-7 |
J3 OBERHACHING
| L | 1R | Daniel Rincon | 2-6 3-6 |
J2 CHISINAU
| W | 1R | Mathias Musil | 6-1 6-2 |
| L | 2R | Nikita Kashirin | 4-6 6-4 3-6 |
J1 SVIATOPETRIVSKEVILLAGE
| W | 1R | Denislav Prodanov | 6-4 6-1 |
| L | 2R | Toby Samuel | 3-6 4-6 |
J1 SANTACROCESULLARNO
| L | 1R | Giorgio Tabacco | 3-6 5-7 |
J4 MARSA
| W | 1R | Louis Skupien | 6-2 6-2 |
| W | 2R | Asaf Friedler | 6-2 6-3 |
| W | 3R | Tiago Torres | 6-1 6-0 |
| W | QF | Leo Raquin | 6-3 7-5 |
| L | SF | Mika Lipp | 1-6 1-4 |
J4 ANTALYA-2
| W | 1R | Yevhenii Bondarenko | 6-0 6-4 |
| W | 2R | Berk Ulas Enc | 6-4 6-2 |
| W | 3R | Togan Tokac | 6-3 6-3 |
| W | QF | Rikard Raad | 7-5 6-0 |
| W | SF | Berk Ilkel | 6-2 6-4 |
| W | F | Viacheslav Bielinskyi | 7-6 6-0 |
J3 LIMASSOL
| W | 1R | Eduardo Cohen | 6-2 7-6 |
| W | 2R | Romain Faucon | 4-6 6-2 6-2 |
| L | QF | Stefanos Savva | 2-6 3-6 |
J5 ANTALYA
| W | 1R | Gabriele Bombara | 6-3 7-6 |
| W | 2R | Andrei Andrei | 6-0 6-4 |
| W | 3R | Kaan Cepel | 5-7 6-4 6-3 |
| W | QF | Michael Felix Frank | 6-2 6-3 |
| L | SF | Lui Maxted | 4-6 3-6 |
J5 BEERSHEVA
| W | 1R | Samer Al Tori | 6-4 6-1 |
| W | 2R | Mark Lajal | 4-3 |
| W | QF | Gabriel Bilinski | 6-3 6-4 |
| L | SF | Pedro Araujo | 3-6 1-6 |
J4 TELAVIV
| W | 1R | Asaf Friedler | 7-6 6-0 |
| W | 2R | Romain Gales | 6-3 7-6 |
| W | QF | Raz Haviv | 6-1 6-2 |
| W | SF | Rudolf Niklas Christiansen | 4-6 6-4 6-3 |
| L | F | Leo Raquin | 6-2 3-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 11227, Number of registered players: 6,794, Number of registered results: 379,102