Guy Den Ouden
2020
| ROLAND GARROS JUNIOR | Semi | |
| J1 KAZAN-2 | [6] | 3R |
| J2 TUNIS-2 | [2] | Semi |
| J2 TUNIS | [1] | Win |
2019
| J2 KIRYATSHMONA | [6] | Semi |
| J2 HAIFA | [11] | Semi |
| J3 SAINTCYPRIEN | [4] | Semi |
| J2 SANXENXO-2 | 1R | |
| J2 SANXENXO | Quarter | |
| J3 SOBOTA | [2] | 1R |
| J4 POZNAN | [1] | Win |
| J4 HILLEGOM | [2] | 3R |
| J4 THEHAGUE | [3] | Semi |
| J2 CASTRICUM | [11] | 2R |
| J3 THEHAGUE | [6] | 1R |
| J3 ALMATY | [4] | Semi |
| J2 PIESTANY | [12] | Quarter |
| J3 LIMASSOL | [1] | 2R |
| J4 DOORN | [2] | Semi |
| J2 KOLKATA | [8] | Quarter |
| J2 NEWDELHI | [8] | 2R |
| J3 CHANDIGARH | [7] | 2R |
2018
| J4 ALMERE | [2] | 1R |
| J3 THEHAGUE | [5] | 1R |
| J4 KRANJ | [2] | 3R |
| J2 CASTRICUM | 3R | |
| J3 ALMATY | Quarter | |
| J4 ESCH-ALZETTE | 1R | |
| J4 HAMBURG | [16] | 2R |
| J4 FUJAIRAH | Final | |
| J4 ABUDHABI | Quarter |
2017
Nation
NED
Age
24 years old (born in 2002)
World Ranking
ATP Ranking 181th
Year-end Junior World Ranking
- Year-end 2018 225th
Rival
diego augusto barreto sanchez (1-2)
holger rune (1-2)
aleksandr myagkov (2-0)
pierre yves bailly (2-0)
harry wendelken (0-2)
Match Details
ROLAND GARROS JUNIOR
| W | 1R | Lorenzo Claverie | 6-7 6-3 6-2 |
| W | 2R | Terence Atmane | 3-6 6-3 6-2 |
| W | 3R | Arthur Cazaux | 6-4 6-4 |
| W | QF | Sean Cuenin | 6-3 6-4 |
| L | SF | Leandro Riedi | 3-6 1-6 |
J1 KAZAN-2
| W | 2R | Aleksandr Myagkov | 6-4 6-4 |
| L | 3R | Maks Kasnikowski | 6-2 2-6 3-6 |
J2 TUNIS-2
| W | 1R | Tomas Luis | 6-4 6-2 |
| W | 2R | Bruno Nhavene | 5-7 6-4 6-1 |
| W | QF | Pierre Yves Bailly | 7-6 6-7 6-4 |
| L | SF | Diego Augusto Barreto Sanchez | 1-6 2-6 |
J2 TUNIS
| W | 1R | Majdi Ben Abdelwehid | 6-1 6-4 |
| W | 2R | Pedro Araujo | 6-2 6-3 |
| W | QF | Aleksandr Myagkov | 6-4 6-4 |
| W | SF | Konstantin Zhzhenov | 6-3 4-6 6-4 |
| W | F | Diego Augusto Barreto Sanchez | 6-4 6-4 |
J2 KIRYATSHMONA
| W | 1R | Noah Lopez | 6-0 6-3 |
| W | 2R | Eytan Michaeli | 6-2 6-2 |
| W | QF | Pierre Yves Bailly | 0-6 6-3 6-1 |
| L | SF | Harry Wendelken | 3-6 6-4 2-6 |
J2 HAIFA
| W | 2R | Damien Salvestre | 6-2 6-0 |
| W | 3R | Oleksandr Ovcharenko | 6-3 6-3 |
| W | QF | Ilya Snitari | 6-2 7-5 |
| L | SF | Harry Wendelken | 6-3 5-7 0-6 |
J3 SAINTCYPRIEN
| W | 1R | Pierre Lieutaud | 6-1 6-0 |
| W | 2R | Thibault Verdier | 4-6 7-6 6-4 |
| W | QF | Vincent Thiel | 7-6 6-3 |
| L | SF | Damien Salvestre | 4-6 6-7 |
J2 SANXENXO-2
| L | 1R | Angel Guerrero Melgar | 4-6 4-6 |
J2 SANXENXO
| W | 1R | Michael Francis Eala | 6-4 6-0 |
| W | 2R | Timo Legout | 6-4 2-6 6-4 |
| L | QF | Herman Hoeyeraal | 5-7 3-6 |
J3 SOBOTA
| L | 1R | Diego Augusto Barreto Sanchez | 6-2 6-7 2-6 |
J4 POZNAN
| W | 1R | Borys Zgola | 6-4 2-6 6-2 |
| W | 2R | Marcel Politowicz | 6-1 6-1 |
| W | QF | Daniel Linkuns-Morozovs | 6-2 6-2 |
| W | SF | Dawid Wisniewski | 4-6 6-3 6-1 |
| W | F | Linus Carlsson Halldin | 6-0 6-2 |
J4 HILLEGOM
| W | 2R | Jay Zwinkels | 6-3 6-1 |
| L | 3R | Pablo Alemany | 1-6 3-6 |
J4 THEHAGUE
| W | 2R | Miko Wassermann | 6-0 6-0 |
| W | 3R | Maxime Dubouch | 6-3 6-0 |
| W | QF | Sebastian Abboud | 6-4 6-3 |
| L | SF | Jesse De Jager | 6-1 5-7 6-7 |
J2 CASTRICUM
| L | 2R | Mathys Erhard | 3-6 6-7 |
J3 THEHAGUE
| L | 1R | Alex Barrena | 6-0 3-6 1-6 |
J3 ALMATY
| W | 1R | Timur Chsherbakov | 6-3 6-2 |
| W | 2R | Nikita Ianin | 6-0 6-1 |
| W | QF | Mark Tryakshin | 6-1 6-2 |
| L | SF | Alexandr Binda | 4-6 4-6 |
J2 PIESTANY
| W | 2R | Svyatoslav Ilnytskyy | 7-6 6-3 |
| W | 3R | Cezar Cretu | 6-3 1-6 7-6 |
| L | QF | Peter Makk | 4-6 0-6 |
J3 LIMASSOL
| W | 1R | Makary Adamek | 6-3 6-0 |
| L | 2R | Mehdi Sadaoui | 2-6 2-6 |
J4 DOORN
| W | 1R | Bastiaan Weststrate | 2-6 6-3 6-4 |
| W | 2R | Brian Bozemoj | 6-4 6-3 |
| W | QF | Martin Katz | 6-2 6-1 |
| L | SF | Niels Visker | 2-6 3-6 |
J2 KOLKATA
| W | 1R | Vansh Bhagtani | 6-2 6-1 |
| W | 2R | Chirag Duhan | 6-2 6-2 |
| L | QF | Hanwen Li | 5-7 3-6 |
J2 NEWDELHI
| W | 1R | Yan Cheng Chen | 6-4 6-2 |
| L | 2R | Hanwen Li | 4-6 4-6 |
J3 CHANDIGARH
| W | 1R | Nishant Dabas | 7-6 2-6 6-3 |
| L | 2R | Raphael Collignon | 6-4 6-7 5-7 |
J4 ALMERE
| L | 1R | Amaury Raynel | 3-6 3-6 |
J3 THEHAGUE
| L | 1R | Pablo Alemany | 6-2 4-6 1-6 |
J4 KRANJ
| W | 2R | Ziga Kovacic | 6-4 7-6 |
| L | 3R | Nikola Basic | 2-6 0-3 |
J2 CASTRICUM
| W | 1R | Khololwam Montsi | 6-4 6-3 |
| W | 2R | Nathaniel Han | 6-3 6-2 |
| L | 3R | Holger Rune | 2-6 4-6 |
J3 ALMATY
| W | 1R | Rail Ibragimov | 7-6 6-2 |
| W | 2R | Madhwin Kamath | 7-6 6-0 |
| L | QF | Shintaro Mochizuki | 3-6 1-6 |
J4 ESCH-ALZETTE
| L | 1R | Jerome Kym | 4-6 1-6 |
J4 HAMBURG
| L | 2R | Marvin Schaber | 6-6 |
J4 FUJAIRAH
| W | 1R | Holger Rune | 6-4 7-6 |
| W | 2R | Leo Borg | 6-3 6-4 |
| W | QF | Martin Breysach | 6-3 6-2 |
| W | SF | Ivan Denisov | 3-6 6-3 6-2 |
| L | F | Connor Thomson | 1-6 0-6 |
J4 ABUDHABI
| W | 1R | Paris Pentousis | 6-4 6-3 |
| W | 2R | Martin Breysach | 6-2 6-4 |
| L | QF | Holger Rune | 5-7 5-7 |
J4 ALMERE
| W | 1R | Victor Ernaelsteen | 7-5 6-1 |
| L | 2R | Justin Schlageter | 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