| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2020 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 12/8 | 11/7 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 11/10 | 1/3 | 8/6 | 2/1 | 0/0 | 0/0 | 0/0 |
| 2016 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| TOTAL | 24/20 | 13/11 | 9/7 | 2/2 | 0/0 | 0/0 | 0/0 |
| perc. % | 54.55 % | 54.17 % | 56.25 % | 50 % | 0 % | 0 % | 0 % |
Garrett Johns / scheduled / last
| no matches found |
Garrett Johns / last 50 matches
| 11.11.20 | 2nd round | Denis Kudla | Garrett Johns | 6-2, 6-1 |  | match details |  Cary Challenger | Hard |
| 09.11.20 | 1st round | Garrett Johns | Noah Rubin | 4-6, 6-3, 7-5 |  | match details | ||
| 15.08.19 | 1/4 | Roberto Cid Subervi | Garrett Johns | 6-2, 6-2 | | match details | M25 Memphis | Hard |
| 14.08.19 | 2nd round | Garrett Johns | Harrison Adams | 6-4, 6-2 | | match details | ||
| 13.08.19 | 1st round | Garrett Johns | Nathan Ponwith | 6-1, 6-3 | | match details | ||
| 13.08.19 | qual. | Garrett Johns | Jonathan Sorbo | 6-1, Jonathan Sorbo - retired | | match details | ||
| 12.08.19 | q 1 | Garrett Johns | Cotter Wilson | 6-1, 6-1 | | match details | ||
| 02.07.19 | 1st round | Shinji Hazawa | Garrett Johns | 7-68, 6-1 | | match details |  M25 Kunshan | Hard |
| 28.06.19 | 1st round | Yuta Shimizu | Garrett Johns | 4-6, 6-4, 7-5 | | match details | M25 Yinchuan | Hard |
| 25.06.19 | qual. | Garrett Johns | Arturs Lazdins | 6-1, 6-2 | | match details | ||
| 21.06.19 | 1/4 | Fajing Sun | Garrett Johns | 6-0, 6-1 | | match details | M25 Hengyang | Hard |
| 20.06.19 | 2nd round | Garrett Johns | Lucas Krainer | 6-3, 4-6, 7-5 | | match details | ||
| 19.06.19 | 1st round | Garrett Johns | Ang Ji | 3-6, 6-1, 6-4 | | match details | ||
| 18.06.19 | qual. | Garrett Johns | Zhou Mingzhou | 7-5, 6-1 | | match details | ||
| 17.06.19 | q 1 | Garrett Johns | Jiaqi Duan | 6-3, 7-62 | | match details | ||
| 04.06.19 | 1st round | Stefan Kozlov | Garrett Johns | 7-5, 6-3 | | match details | Little Rock | Hard |
| 03.06.19 | qual. | Garrett Johns | Harrison Adams | 7-62, 1-0, Harrison Adams - retired | | match details | ||
| 30.04.19 | qual. | Ritik Sundaram | Garrett Johns | 3-6, 7-5, 10-4 | | match details | M25 Vero | Clay |
| 29.04.19 | q 1 | Garrett Johns | Julian Bradley | 6-1, 6-4 | | match details | ||
| 23.04.19 | qual. | Gage Brymer | Garrett Johns | 6-2, 6-3 | | match details |  M15 Cancun | Hard |
| 22.04.19 | q 1 | Garrett Johns | Rodrigo Crespo Piedra | 7-5, 6-2 | | match details | ||
| 11.02.19 | q 1 | Boris Arias | Garrett Johns | 6-4, 6-4 | | match details | M15 Tucson | Hard |
| 04.12.18 | 1st round | Ryler Deheart | Garrett Johns | 6-0, 6-3 | | match details | USA F35 | I. hard |
| 02.12.18 | qual. | Garrett Johns | Sergey Belov | 6-3, 6-3 | | match details | ||
| 01.12.18 | q 1 | Garrett Johns | Bryn Nahrung | 7-5, 6-1 | | match details | ||
| 15.11.18 | 1st round | Nick Hardt | Garrett Johns | 6-0, 6-0 | | match details | USA F32 | Clay |
| 27.10.18 | Ronan Jachuck | Garrett Johns | 7-5, 3-6, 6-1 | | match details | USA F29 | Clay | |
| 07.10.18 | q 1 | Alexey Nesterov (1998) | Garrett Johns | 1-6, 6-3, 6-4 | | match details | USA F27 | Hard |
| 31.07.18 | q 2 | William Genesen | Garrett Johns | 6-2, 6-0 | | match details | USA F21 | Hard |
| 28.07.18 | q 1 | Garrett Johns | Shayan Shooshtarian | 6-1, 7-64 | | match details | ||
| 21.07.18 | q 1 | Alex Bolt | Garrett Johns | 6-1, 6-4 | | match details | Atlanta | Hard |
| 23.06.18 | q 1 | Aziz Ouakaa | Garrett Johns | 6-2, 6-2 | | match details |  Tunisia F25 | Clay |
| 22.06.18 | 1/4 | Diego Hidalgo | Garrett Johns | 6-0, 6-2 | | match details | Tunisia F24 | Clay |
| 21.06.18 | 2nd round | Garrett Johns | Anis Ghorbel | 6-3, 3-6, 7-65 | | match details | ||
| 19.06.18 | 1st round | Garrett Johns | Mihnea Lorin Stefan Turcu | 6-3, 7-63 | | match details | ||
| 18.06.18 | qual. | Garrett Johns | Alexey Baryshev | 7-64, 6-3 | | match details | ||
| 17.06.18 | q 2 | Garrett Johns | Giovanni Calvano | 6-4, 6-2 | | match details | ||
| 16.06.18 | q 1 | Garrett Johns | Francisco Lautaro Mendoza | 6-1, 6-0 | | match details | ||
| 10.06.18 | q 2 | Juan Pablo Grassi Mazzuchi | Garrett Johns | 6-2, 6-1 | | match details | Tunisia F23 | Clay |
| 09.06.18 | q 1 | Garrett Johns | Sorin Andrei Iordache | 6-1, 6-0 | | match details | ||
| 08.01.18 | q 2 | Alexander Brown | Garrett Johns | 7-64, 4-6, 7-65 | | match details | USA F3 | Clay |
| 07.01.18 | q 1 | Garrett Johns | Max Hartenstein | 6-3, 5-7, 6-3 | | match details | ||
| 06.01.18 | Garrett Johns | Cameron Mofid | 6-0, 6-0 | | match details | |||
| 05.12.16 | q 1 | Isaiah Strode | Garrett Johns | 3-6, 6-2, 6-3 | | match details | USA F40 | I. hard |
