Michael Antonius
2025
| US OPEN JUNIOR | 1R | |
| J300 COLLEGEPARK | Final | |
| J300 CHARLEROI-MARCINELLE | 2R | |
| J200 HANOVER | [5] | Win |
| J200 WOODBRIDGE | [7] | Semi |
| J300 SANDIEGO | 3R | |
| J300 INDIANWELLS | 2R | |
| J200 SANTODOMINGO-2 | [14] | Quarter |
| J200 SANTODOMINGO | [13] | 3R |
| J300 SANJOSE | Semi |
2024
| J100 SAINTGREGOIRE | 1R | |
| J100 STAVANGER-2 | 1R | |
| J100 WOODBRIDGE | [7] | Final |
| J100 STAVANGER | [8] | Quarter |
| J100 MARIA-LANZENDORF | [11] | Semi |
| J100 MOSTAR | [4] | Semi |
| J60 HILLEGOM | [9] | Final |
| J60 LLEIDA | [6] | Win |
| J30 GIRONA | [4] | Win |
| J60 BLAGNAC | 1R | |
| J60 COLOMIERS | 1R | |
| J30 LEPONTET | Win |
2023
| J30 MCKINNEY | Quarter | |
| J60 ATLANTA | 3R | |
| J60 LEXINGTON | Quarter | |
| J60 CORPUSCHRISTI | 3R | |
| J30 OTTAWA | Quarter | |
| J30 NIAGARA | Semi |
Nation
USA
Generation
Born in 2010 (14-15 years old)
Year-end Junior World Ranking
- Year-end 2024 319th
- Year-end 2023 1290th
Rival
Ronit Karki (2-2)
Lachlan Gaskell (2-0)
Mark Krupkin (1-1)
Marcel Latak (2-0)
Arjun Prabhakar (2-0)
Match Details
2025 US OPEN JUNIOR
| L | 1R | Ivan Ivanov | 5-7 1-6 |
2025 J300 COLLEGEPARK
| W | 1R | Marcel Latak | 6-1 2-6 6-1 |
| W | 2R | Savva Rybkin | 6-4 7-5 |
| W | 3R | Ronit Karki | 6-3 |
| W | QF | Alan Wazny | 6-7 6-3 6-1 |
| W | SF | Matei Todoran | 7-5 6-3 |
| L | F | Yannick Theodor Alexandrescou | 0-6 2-6 |
2025 J300 CHARLEROI-MARCINELLE
| W | 1R | Egor Pleshivtsev | 6-1 6-7 7-5 |
| L | 2R | Ziga Sesko | 4-6 6-2 4-6 |
2025 J200 HANOVER
| W | 1R | Patrick-Valentin Moise | 6-4 6-3 |
| W | 2R | Kaan Isik Kosaner | 3-6 6-3 6-3 |
| W | QF | Thomas Vesantera Brandao | 6-2 6-2 |
| W | SF | Thomas Gunzinger | 7-6 6-2 |
| W | F | Linus Lagerbohm | 6-3 2-6 6-4 |
2025 J200 WOODBRIDGE
| W | 1R | Xavier Massotte | 6-2 6-2 |
| W | 2R | Arjun Prabhakar | 6-2 6-1 |
| W | QF | Lachlan Gaskell | 1-6 6-0 6-3 |
| L | SF | Ronit Karki | 1-6 5-7 |
2025 J300 SANDIEGO
| W | 1R | Marcel Latak | 6-0 6-2 |
| W | 2R | Simon Caldwell | 6-3 6-4 |
| L | 3R | Maximus Dussault | 6-7 3-6 |
2025 J300 INDIANWELLS
| W | 1R | Hikaru Takahashi | 6-1 6-0 |
| L | 2R | Noah Johnston | 4-6 1-6 |
2025 J200 SANTODOMINGO-2
| W | 2R | Siu Chi Nicholas Cheng | 6-1 6-2 |
| W | 3R | Lachlan Gaskell | 6-3 6-2 |
| L | QF | Nischal Spurling | 6-2 3-6 5-7 |
2025 J200 SANTODOMINGO
| W | 2R | Diego Alcala | 6-0 6-1 |
| L | 3R | Mark Krupkin | 6-3 4-6 6-7 |
2025 J300 SANJOSE
| W | 1R | Ronit Karki | 6-7 7-6 6-2 |
| W | 2R | Gavin Goode | 7-6 7-6 |
| W | QF | Yannik Alvarez | 7-6 6-4 |
| L | SF | Ryan Cozad | 2-6 4-6 |
2024 J100 SAINTGREGOIRE
| L | 1R | Pierre Antoine Faut | 1-6 2-6 |
2024 J100 STAVANGER-2
| L | 1R | Charlie Valentine | 5-7 7-6 3-6 |
2024 J100 WOODBRIDGE
| W | 1R | Lucas Mock | 6-3 6-2 |
| W | 2R | David Asenov | 6-2 6-2 |
| W | QF | Arjun Prabhakar | 7-5 6-1 |
| W | SF | Mark Krupkin | 6-0 6-2 |
| L | F | Andrei Caragea | 2-6 6-1 3-6 |
2024 J100 STAVANGER
| W | 2R | Gautam S Venkatraman | 6-0 6-1 |
| W | 3R | Sander Juuhl Sivertsen | 6-3 6-3 |
| L | QF | Linus Andersson | 6-2 4-6 2-6 |
2024 J100 MARIA-LANZENDORF
| W | 2R | Maurice-Noel Kaserer | 6-3 6-4 |
| W | 3R | Emanuel Ivanisevic | 7-5 6-1 |
| W | QF | Adam Soukup | 6-4 6-3 |
| L | SF | Botond Nagy | 1-6 0-6 |
2024 J100 MOSTAR
| W | 1R | Karlo Filip Jukic | 6-1 6-1 |
| W | 2R | Carl Radtke | 6-0 6-1 |
| W | QF | Marko Knezevic | 6-3 6-3 |
| L | SF | Egor Shcherbakov | 4-6 7-6 6-7 |
2024 J60 HILLEGOM
| W | 2R | Joseph Mazingham | 6-2 6-0 |
| W | 3R | Henrik Thomas Neuss | 6-0 6-4 |
| W | QF | Calin Apostol | 6-1 6-4 |
| W | SF | Hyu Kawanishi | 7-6 6-2 |
| L | F | Hidde Schoenmakers | 3-6 1-6 |
2024 J60 LLEIDA
| W | 1R | Adria Franco Regue | 6-2 6-0 |
| W | 2R | Maxi Carrascosa Diaz | 6-2 6-7 7-6 |
| W | QF | Enrique Lana Almeida | 4-6 6-4 6-2 |
| W | SF | Eudald Gonzalez | 6-1 6-2 |
| W | F | Roman Venger | 6-2 6-3 |
2024 J30 GIRONA
| W | 1R | Benediktas Verkovskis | 6-3 6-3 |
| W | 2R | Damian Janiszewski | 5-7 6-0 10-3 |
| W | QF | Nathan Walters | 6-1 6-1 |
| W | SF | Peter Kieslinger | 6-2 6-3 |
| W | F | Enzo Flores | 7-6 3-0 |
2024 J60 BLAGNAC
| L | 1R | Timeo Bretin | 6-7 0-6 |
2024 J60 COLOMIERS
| L | 1R | Yoshka Sborowsky | 3-6 2-6 |
2024 J30 LEPONTET
| W | 1R | Lenny Galley | 7-5 7-6 |
| W | 2R | Giovanni Ciocca | 6-0 6-3 |
| W | QF | Kent Mueller | 4-6 6-1 6-4 |
| W | SF | Jordan Lee | 6-2 6-3 |
| W | F | Marc Aurele Desmoulins Ricot | 7-5 4-6 6-2 |
2023 J30 MCKINNEY
| W | 1R | Easton Horricks | 6-4 6-0 |
| W | 2R | Mao Tazuru | 6-1 6-0 |
| L | QF | Colin Mcpeek | 6-4 3-6 3-6 |
2023 J60 ATLANTA
| W | 1R | Arya Ganapathy Kallambella | 6-4 7-5 |
| W | 2R | Matthew Zeifman | 6-1 6-3 |
| L | 3R | Ronit Karki | 2-6 1-6 |
2023 J60 LEXINGTON
| W | 1R | Kayden Colombo | 6-4 6-2 |
| W | 2R | David Asenov | 6-2 6-2 |
| W | 3R | Nicolas Iantosca | 6-2 6-2 |
| L | QF | Paris Pouatcha | 5-7 5-7 |
2023 J60 CORPUSCHRISTI
| W | 1R | Micah Ward | 6-2 6-1 |
| W | 2R | Ajinkya Karnataki | 6-0 6-1 |
| L | 3R | Nav Dayal | 1-6 1-6 |
2023 J30 OTTAWA
| W | 1R | Dani Szabo | 2-6 6-1 6-2 |
| W | 2R | Eric William Wang | 6-2 6-3 |
| L | QF | Gary Jiang | 3-6 1-6 |
2023 J30 NIAGARA
| W | 1R | Sheraz Khan | 6-0 6-0 |
| W | 2R | Zackary Kimelman | 6-0 6-3 |
| W | QF | Zachary Cohen | 5-7 6-1 6-1 |
| L | SF | Nicolas Arseneault | 4-6 6-3 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9586, Number of registered players: 5,950, Number of registered results: 317,378