ITF Dominican Republic F2 12/06 16:00 25 Galarza, Juan Ignacio v Johns, Collin 6-2,6-4
ITF South Africa F3 11/14 23:00 25 Johns, Collin v Bega, Alessandro 0-6,6-7
South Africa F2, Singles 11/09 23:00 26 Johns, Collin v Marsalek, James 2-6,2-6
South Africa F2, Singles 11/07 23:00 25 Brandon Walkin v Johns, Collin 1-6,2-6
ITF South Africa F1 11/02 23:00 26 Johns, Collin v Thomas Setodji 2-6,3-6
ITF South Africa F1 10/31 23:00 25 Bybel, Nicholas v Johns, Collin 2-6,7-6,4-6
ITF USA F32 10/20 18:50 26 Johns, Collin v Dominik Koepfer 4-6,6-4,3-6
ITF USA F32 10/18 15:00 25 Schnur, Brayden v Johns, Collin 6-3,4-6,4-6
ITF Israel F14 09/27 12:00 25 Antoine Bellier v Johns, Collin 6-4,7-6
ITF Israel F13 09/21 07:00 26 Webb, Dane v Johns, Collin 6-1,6-2
ITF Israel F13 09/19 07:00 25 Johns, Collin v Uzhylovsky, Vladimir 6-3,6-4
ITF Israel F12 09/14 11:55 25 Webb, Dane v Johns, Collin 6-1,6-3
ITF Israel F11 09/06 09:55 25 Hasson, Jordan v Johns, Collin 6-2,2-6,6-3
ITF USA F25 Qual 07/24 13:15 62 Johns, Collin v Mwendwa Mbithi 3-6,4-6
ITF USA F24 07/22 18:55 27 Bambridge, Luke v Johns, Collin 6-0,6-3
ITF USA F24 07/21 14:00 26 Johns, Collin v Blake Mott 7-6,7-6
ITF USA F24 07/19 14:00 25 Griffith, William v Johns, Collin Retired
ITF USA F22 06/29 14:00 25 Johns, Collin v Smith, Connor 2-6,6-2,3-6
ITF USA F20 06/21 17:00 25 Johns, Collin v Zlobinsky, Julian 1-6,1-6
ITF Israel F10 06/09 09:45 27 Johns, Collin v Daniel Cukierman 4-6,4-6
ITF Israel F10 06/08 08:20 26 Elia, Alon v Johns, Collin 1-6,6-4,4-6
ITF Israel F10 06/07 11:20 25 Johns, Collin v Michelevitz, Guy 6-0,6-2
ITF Israel F9 05/31 06:00 25 Johns, Collin v Edan Leshem 4-6,4-6
ITF Israel F8 05/23 06:30 25 Johns, Collin v Botzer, Bar Tzuf 3-6,4-6
ITF Israel F7 05/18 06:30 26 Johns, Collin v Bar, Dekel 6-7,6-3,3-6
ITF Israel F7 05/17 11:15 25 Grinberg, Or v Johns, Collin 0-6,1-6
ITF Israel F7 05/15 06:30 62 Johns, Collin v Benya, Roee 6-3,6-4
ITF Israel F7 05/14 10:00 62 Johns, Collin v Amar, Ran 6-3,7-5
ITF Turkey F19 05/11 09:10 25 Johns, Collin v Hugo Nys 4-6,3-6
ITF Turkey F19 Qual 05/09 08:00 44 Johns, Collin v Barros, Emmanuel 6-2,6-2