Janmagnus Johnson
2017
| J4 BOCARATONFL | [10] | Quarter |
| J4 LEXINGTON | [11] | Win |
| J4 ATLANTAGA | [16] | 3R |
| J4 CORALGABLES | 3R | |
| J4 DELRAYBEACHFL | 2R |
Nation
USA
Match Details
2017 J4 BOCARATONFL
| W | 1R | Luis Andres Platas | 6-3 6-2 |
| W | 2R | Juan Enrique Marrero | 6-2 6-0 |
| W | 3R | Spencer Whitaker | 6-4 6-0 |
| L | QF | Marcus Mcdaniel | 3-6 4-6 |
2017 J4 LEXINGTON
| W | 1R | Holden Koons | 6-0 6-3 |
| W | 2R | Tyler Stice | 3-6 7-5 6-4 |
| W | 3R | Coy Simon | 7-5 6-0 |
| W | QF | Andres Martin | 7-6 6-2 |
| W | SF | Stefan Leustian | 6-2 6-3 |
| W | F | Yeudy Villar | 6-2 6-2 |
2017 J4 ATLANTAGA
| W | 1R | Cesar Cernuda Alonso | 6-0 6-1 |
| W | 2R | James Tracy | 6-4 7-5 |
| L | 3R | Vikash Singh | 0-6 0-6 |
2017 J4 CORALGABLES
| W | 1R | Eliot Spizzirri | 6-2 6-0 |
| W | 2R | Diego Nava | 6-2 3-6 7-5 |
| L | 3R | Kirac Bekisoglu | 3-6 4-6 |
2017 J4 DELRAYBEACHFL
| W | 1R | Dimitri Badra | 6-1 6-1 |
| L | 2R | Cannon Kingsley | 3-6 2-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14293, Number of registered players: 7,463, Number of registered results: 444,769