| Challenger Orlando | 01/03 16:20 | 26 | [198] Darian King v Johan Tatlot [269] | 6-3,6-3 | |
| Challenger Orlando | 01/01 21:45 | 25 | [301] Alexander Sarkissian v Johan Tatlot [269] | 5-7,0-6 | |
| Challenger Shenzhen 2 | 10/31 05:30 | 26 | [224] Blaz Kavcic v Johan Tatlot [254] | 6-1,6-2 | |
| Challenger Shenzhen 2 | 10/30 03:30 | 25 | [254] Johan Tatlot v Saketh Myneni [316] | Retired | |
| Challenger Liuzhou | 10/23 06:10 | 25 | [236] Johan Tatlot v Prajnesh Gunneswaran [146] | 4-6,5-7 | |
| Challenger Barcelona | 10/11 11:40 | 26 | Roberto Carballes Baena v Johan Tatlot | 6-2,6-4 | |
| Challenger Barcelona | 10/10 13:45 | 25 | Johan Tatlot v Bekkhan Atlangeriev | 6-1,6-3 | |
| Challenger Florence | 10/03 13:40 | 25 | [89] Lorenzo Sonego v Johan Tatlot [239] | 6-2,6-4 | |
| Challenger Banja Luka | 09/15 12:25 | 28 | [255] Johan Tatlot v Carlos Berlocq [161] | 2-6,4-6 | |
| Challenger Banja Luka | 09/14 13:30 | 27 | [255] Johan Tatlot v Daniel Gimeno-Traver [158] | 4-6,7-5,7-5 | |
| Challenger Banja Luka | 09/12 08:30 | 26 | [255] Johan Tatlot v Alexandar Lazov [435] | 6-3,6-4 | |
| Challenger Banja Luka | 09/10 12:20 | 25 | [184] Pedro Martinez v Johan Tatlot [255] | 3-6,4-6 | |
| Challenger Seville | 09/03 08:30 | 54 | Johan Tatlot v Marko Djokovic | 3-6,3-6 | |
| Challenger Seville | 09/02 08:00 | 46 | Johan Sebastien Tatlot v Ronald Slobodchikov | 6-3,6-3 | |
| Challenger Seville | 09/01 09:40 | 45 | [252] Johan Tatlot v Emilio Gomez [369] | 7-6,6-4 | |
| Challenger Meerbusch | 08/16 11:00 | 26 | [259] Rudolf Molleker v Johan Tatlot [261] | 7-5,6-1 | |
| Challenger Meerbusch | 08/14 12:30 | 25 | [429] Marc Sieber v Johan Tatlot [261] | 6-7,6-4,4-6 | |
| Challenger Liberec | 08/03 11:00 | 27 | [151] Pedro Sousa v Johan Tatlot [269] | 6-3,6-1 | |
| Challenger Liberec | 08/01 11:30 | 26 | [269] Johan Tatlot v Jan Satral [427] | 6-3,5-7,6-0 | |
| Challenger Liberec | 07/31 08:00 | 25 | [269] Johan Tatlot v Steven Diez [316] | 6-3,6-2 | |
| Challenger San Benedetto | 07/18 17:00 | 26 | [272] Johan Tatlot v Daniel Elahi Galan [226] | 3-6,4-6 | |
| Challenger San Benedetto | 07/17 13:05 | 25 | [272] Johan Tatlot v Andrea Collarini [268] | 6-1,6-7,6-3 | |
| Challenger Bastad | 07/10 10:35 | 25 | [263] Lukas Rosol v Johan Tatlot [259] | 6-3,6-2 | |
| Challenger Blois | 06/19 13:20 | 25 | [259] Johan Tatlot v Pedro Cachin [319] | Retired | |
| Challenger Lyon | 06/17 12:30 | 29 | [170] Felix Auger Aliassime v Johan Tatlot [328] | 6-7,7-5,6-2 | |
| Challenger Lyon | 06/16 13:40 | 28 | [328] Johan Tatlot v Roberto Marcora [476] | 7-6,6-2 | |
| Challenger Lyon | 06/15 09:00 | 27 | [328] Johan Tatlot v Adam Pavlasek [147] | 1-6,7-6,6-3 | |
| Challenger Lyon | 06/13 08:00 | 26 | [231] Daniel Elahi Galan v Johan Tatlot [328] | 6-3,2-6,4-6 | |
| Challenger Lyon | 06/12 09:20 | 25 | [321] Elliot Benchetrit v Johan Tatlot [328] | 5-7,4-6 | |
| Challenger Lyon Qual | 06/11 12:10 | 54 | [328] Johan Tatlot v Jordi Samper-Montana [386] | 6-3,1-6,7-6 |