Alexander Kiefer
2019
| J1 BRADENTON | 1R | |
| JAMERIDA | 3R | |
| J1 CANCUN | 2R | |
| J2 LIMA | [8] | Quarter |
| J3 CANCUN | [2] | Win |
| J2 MONTREAL | [6] | Semi |
| J3 MONTERREY | [3] | 3R |
| J3 NEUNKIRCHEN | 2R | |
| J2 CASTRICUM | 3R | |
| J1 BERLIN | 1R | |
| J2 BYTOM | 1R | |
| J4 VARNAMO | [2] | Semi |
| J4 CORALGABLES | [3] | Quarter |
| J1 CARSON | 1R | |
| JB1 INDIANWELLS | 1R | |
| JAPORTOALEGRE | 1R | |
| J1 BARRANQUILLA | 1R | |
| J1 SANJOSE | 1R |
Nation
USA
Year-end Junior World Ranking
- Year-end 2019 161th
Rival
alan kam (1-2)
dominik jakovljevic (1-1)
Match Details
2019 J1 BRADENTON
| L | 1R | Eliakim Coulibaly | 6-3 3-6 2-6 |
2019 JAMERIDA
| W | 1R | Gabriel Hurtado | 6-0 6-4 |
| W | 2R | Lilian Marmousez | 6-3 6-1 |
| L | 3R | Alan Kam | 3-6 6-4 6-7 |
2019 J1 CANCUN
| W | 1R | Alan Kam | 6-4 6-4 |
| L | 2R | Mikolaj Lorens | 6-7 6-4 1-6 |
2019 J2 LIMA
| W | 2R | Ernesto Gabriel Mealla | 6-4 6-3 |
| W | 3R | Alex Barrena | 6-3 6-4 |
| L | QF | Gustavo Heide | 4-6 6-4 2-6 |
2019 J3 CANCUN
| W | 2R | Santiago Perez Casamayor | 6-2 6-2 |
| W | 3R | Emiliano Aguilera Guerrero | 6-2 6-4 |
| W | QF | Carlos Alejandro Solares Midence | 6-2 6-1 |
| W | SF | Connor Krug | 6-4 6-2 |
| W | F | Nicolas Cortes Campos | 6-1 |
2019 J2 MONTREAL
| W | 1R | Jaden Weekes | 0-6 6-1 6-0 |
| W | 2R | Dominik Jakovljevic | 7-5 7-5 |
| W | QF | Jayden Templeman | 6-1 6-2 |
| L | SF | Joshua Lapadat | 2-6 2-6 |
2019 J3 MONTERREY
| W | 2R | Diego Schtulmann | 6-1 6-2 |
| L | 3R | Alan Kam | 4-6 4-6 |
2019 J3 NEUNKIRCHEN
| W | 1R | Alex Ganchev | 7-5 6-2 |
| L | 2R | Karlis Ozolins | 2-6 3-6 |
2019 J2 CASTRICUM
| W | 1R | Guillaume Dalmasso | 6-4 6-0 |
| W | 2R | Roni Mikael Hietaranta | 6-3 3-6 6-4 |
| L | 3R | Olivier Rojas | 6-7 2-6 |
2019 J1 BERLIN
| L | 1R | Benedikt Emesz | 4-6 4-6 |
2019 J2 BYTOM
| L | 1R | Terence Atmane | 5-7 4-6 |
2019 J4 VARNAMO
| W | 1R | Hugo Regner | 6-2 6-2 |
| W | 2R | Adam Heinonen | 6-4 6-1 |
| W | QF | Sebastian Abboud | 5-7 6-2 6-4 |
| L | SF | Leo Borg | 4-6 6-1 2-6 |
2019 J4 CORALGABLES
| W | 1R | Santiago Diaz Tolivia | 6-0 6-1 |
| W | 2R | Quinn Snyder | 4-6 6-1 6-3 |
| W | 3R | Matthis Ross | 6-4 6-1 |
| L | QF | Nicolas Zanellato | 5-7 6-7 |
2019 J1 CARSON
| L | 1R | Jeffrey Fradkin | 3-6 3-6 |
2019 JB1 INDIANWELLS
| L | 1R | Dominik Jakovljevic | 3-6 2-6 |
2019 JAPORTOALEGRE
| L | 1R | Nicolas Ocana Lavoie | 1-6 5-7 |
2019 J1 BARRANQUILLA
| L | 1R | Leyton Rivera | 6-7 0-6 |
2019 J1 SANJOSE
| L | 1R | Alexandre Leblanc | 2-6 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 11227, Number of registered players: 7,119, Number of registered results: 411,522