Pierre Yves Bailly
2021
| US OPEN JUNIOR | Quarter | |
| ROLAND GARROS JUNIOR | [11] | 2R |
| J2 HASKOVO | [1] | 2R |
| J1 PLOVDIV | [1] | Semi |
| J1 VILLENA | [1] | 3R |
2020
| J1 VILLENA-2 | Win | |
| J1 PLOVDIV-2 | Final | |
| J2 PLZEN | [3] | Quarter |
| J2 SIAULIAI-2 | 2R | |
| J2 TUNIS-2 | [6] | Quarter |
| J2 TUNIS | [5] | Semi |
| J3 BROMMA | [2] | Quarter |
2019
| J2 KIRYATSHMONA | Quarter | |
| J2 HAIFA | Quarter | |
| J2 SANXENXO-2 | 2R | |
| J3 KRAKOW | [4] | Quarter |
| J3 SOBOTA | [4] | Semi |
| J3 MOENCHENGLADBACH | 3R | |
| J3 LVIV | [8] | Quarter |
| J2 CASTRICUM | 2R | |
| J1 CHARLEROI-MARCINELLE | 2R | |
| J4 NOTTINGHAM-2 | [7] | Semi |
| J4 NOTTINGHAM | [7] | Final |
| J4 HAMBURG | [3] | Quarter |
| J4 ESCH/ALZETTE | 1R | |
| J4 CADOLZBURG | [14] | Semi |
| J5 HEIVELD | [6] | Win |
2018
| J5 ARLON | Win |
Nation
BEL
Age
22 years old (born in 2003)
World Ranking
ATP Ranking　747th
Year-end Junior World Ranking
- Year-end 2021 77th
- Year-end 2020 31th
- Year-end 2019 182th
Rival
alexander hoogmartens (1-2)
jack anthrop (2-0)
daniel merida (1-1)
jack pinnington jones (0-2)
viacheslav bielinskyi (1-1)
Match Details
US OPEN JUNIOR
| W | 1R | Jack Anthrop | 6-4 6-7 6-4 |
| W | 2R | Gonzalo Bueno | 6-0 6-3 |
| W | 3R | Colton Smith | 6-4 6-4 |
| L | QF | Juncheng Shang | 6-3 3-6 2-6 |
ROLAND GARROS JUNIOR
| W | 1R | Jack Anthrop | 6-1 6-3 |
| L | 2R | Sascha Gueymard Wayenburg | 6-2 2-6 4-6 |
J2 HASKOVO
| W | 1R | Ivan Penev | 6-2 6-3 |
| L | 2R | Robin Bertrand | 6-2 2-6 2-10 |
J1 PLOVDIV
| W | 1R | Marko Andrejic | 6-0 6-3 |
| W | 2R | Kokoro Isomura | 6-2 6-4 |
| W | QF | Alejandro Manzanera Pertusa | 7-5 6-3 |
| L | SF | Viacheslav Bielinskyi | 5-7 6-4 5-7 |
J1 VILLENA
| W | 2R | Paul Inchauspe | 6-3 6-3 |
| L | 3R | Daniel Merida | 3-6 1-6 |
J1 VILLENA-2
| W | 1R | Max Alcala Gurri | 6-4 5-7 6-2 |
| W | 2R | Henrique Rocha | 2-6 7-6 6-1 |
| W | QF | Mans Dahlberg | 6-2 6-4 |
| W | SF | Aleksander Orlikowski | 6-3 6-4 |
| W | F | Luca Van Assche | 6-3 6-4 |
J1 PLOVDIV-2
| W | 1R | Vasil Dimitrov | 6-3 6-4 |
| W | 2R | Joaquim Almeida | 6-1 6-1 |
| W | QF | Marat Sharipov | 7-5 2-6 6-2 |
| W | SF | Peter Fajta | 7-5 6-7 6-1 |
| L | F | Jack Pinnington Jones | 1-6 2-6 |
J2 PLZEN
| W | 1R | Jan Jadlovsky | 6-4 6-2 |
| W | 2R | Peter Buldorini | 6-1 6-0 |
| L | QF | Jack Pinnington Jones | 0-6 3-6 |
J2 SIAULIAI-2
| W | 1R | Vilius Gaubas | 7-6 7-5 |
| L | 2R | Samuel Vincent Ruggeri | 4-6 2-6 |
J2 TUNIS-2
| W | 1R | Konstantin Zhzhenov | 6-4 6-0 |
| W | 2R | Max Hans Rehberg | 6-1 6-4 |
| L | QF | Guy Den Ouden | 6-7 7-6 4-6 |
J2 TUNIS
| W | 1R | Giorgio Tabacco | 6-2 3-6 6-3 |
| W | 2R | Tomas Luis | 6-2 6-4 |
| W | QF | Max Hans Rehberg | 6-1 6-2 |
| L | SF | Diego Augusto Barreto Sanchez | 3-6 2-6 |
J3 BROMMA
| W | 1R | Daniel Merida | 4-6 6-3 6-2 |
| W | 2R | Piotr Pawlak | 6-4 7-6 |
| L | QF | Linus Carlsson Halldin | 3-6 6-2 6-7 |
J2 KIRYATSHMONA
| W | 1R | Niv Zuckerman | 6-2 6-4 |
| W | 2R | Viacheslav Bielinskyi | 6-2 6-2 |
| L | QF | Guy Den Ouden | 6-0 3-6 1-6 |
J2 HAIFA
| W | 1R | Jonathan Baron | 6-3 6-0 |
| W | 2R | Rostislav Halfinger | 6-7 6-2 6-1 |
| W | 3R | Simeon Terziev | 6-2 4-1 |
| L | QF | Harry Wendelken | 2-6 0-6 |
J2 SANXENXO-2
| W | 1R | Felix Gill | 6-2 6-4 |
| L | 2R | Mario Mansilla Diez | 1-6 2-6 |
J3 KRAKOW
| W | 1R | Karol Tomanski | 1-6 5-3 |
| W | 2R | Piotr Kusiewicz | 6-1 6-3 |
| L | QF | Matas Vasiliauskas | 6-4 3-6 1-6 |
J3 SOBOTA
| W | 1R | Maxim Dontsov | 6-3 6-4 |
| W | 2R | Timothy Carlsson Seger | 6-2 6-1 |
| W | QF | Alex Barrena | 7-6 6-2 |
| L | SF | Diego Augusto Barreto Sanchez | 1-6 2-6 |
J3 MOENCHENGLADBACH
| W | 1R | Mathys Erhard | 4-6 6-2 6-4 |
| W | 2R | Elmer Moeller | 6-4 6-1 |
| L | 3R | Luca Castagnola | 7-5 1-6 4-6 |
J3 LVIV
| W | 1R | Semen Burlachenko | 7-6 6-1 |
| W | 2R | Matas Vasiliauskas | 7-5 4-6 6-3 |
| L | QF | Lorenzo Rottoli | 3-6 0-6 |
J2 CASTRICUM
| W | 1R | Nicolas Simkin | 6-3 7-5 |
| L | 2R | Luca Nardi | 3-6 2-6 |
J1 CHARLEROI-MARCINELLE
| W | 1R | Hanwen Li | 6-4 6-4 |
| L | 2R | Matheus Pucinelli De Almeida | 5-7 0-6 |
J4 NOTTINGHAM-2
| W | 1R | Archie Graham | 6-3 6-3 |
| W | 2R | Matthew Howse | 6-3 6-2 |
| W | 3R | Harry Lazell | 6-2 7-5 |
| W | QF | Sam Bossem | 6-2 7-6 |
| L | SF | Finn Murgett | 0-6 1-6 |
J4 NOTTINGHAM
| W | 1R | Aaron Jinks | 7-6 6-3 |
| W | 2R | Archie Graham | 6-3 6-3 |
| W | 3R | Harry Lazell | 6-3 6-4 |
| W | QF | Sam Bossem | 6-3 6-4 |
| W | SF | Alex Solonenko | 6-3 6-4 |
| L | F | Alexander Hoogmartens | 4-6 6-1 0-6 |
J4 HAMBURG
| W | 2R | Philip Florig | 6-3 1-0 |
| W | 3R | Caspar Jalili Mikkelsen | 6-2 6-1 |
| L | QF | Matej Galik | 5-7 0-3 |
J4 ESCH/ALZETTE
| L | 1R | Alexander Zederbauer Lapentti | 4-6 3-6 |
J4 CADOLZBURG
| W | 2R | Philip Florig | 6-1 7-5 |
| W | 3R | Lorenzo Rottoli | 6-4 6-4 |
| W | QF | Sebastian Nothhaft | 6-4 6-2 |
| L | SF | Alexander Hoogmartens | 3-6 3-6 |
J5 HEIVELD
| W | 1R | Dylan Andrianaly | 6-0 2-6 6-3 |
| W | 2R | Liam Liles | 6-4 6-2 |
| W | QF | Martin Katz | 6-0 6-4 |
| W | SF | Olivier Rojas | 0-6 6-3 6-4 |
| W | F | Alexander Hoogmartens | 6-3 6-2 |
J5 ARLON
| W | 1R | Jesse Den Hartog | 6-3 6-2 |
| W | 2R | Ali Habib | 6-1 6-3 |
| W | QF | Diego Digraci | 7-5 6-2 |
| W | SF | Szymon Kielan | 6-7 7-5 6-1 |
| W | F | Olivier Rojas | 6-4 4-6 7-5 |
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