Stadium: Centre Court Round: 24 Ground: Clay
| Challenger Columbus | 2019/01/09 20:35 | Johan Sebastien Tatlot v Enzo Couacaud | 4-6,1-6 |
| Challenger Orlando | 2019/01/03 16:20 | Darian King v Johan Sebastien Tatlot | 6-3,6-3 |
| Challenger Orlando | 2019/01/01 21:45 | Alexander Sarkissian v Johan Sebastien Tatlot | 5-7,0-6 |
| Challenger Shenzhen 2 | 2018/10/31 05:30 | Blaz Kavcic v Johan Sebastien Tatlot | 6-1,6-2 |
| Challenger Liuzhou | 2018/10/23 06:10 | Johan Sebastien Tatlot v Prajnesh Gunneswaran | 4-6,5-7 |
| Challenger Barcelona | 2018/10/11 11:40 | Roberto Carballes Baena v Johan Sebastien Tatlot | 6-2,6-4 |
| Challenger Barcelona | 2018/10/10 13:45 | Johan Sebastien Tatlot v Bekkhan Atlangeriev | 6-1,6-3 |
| Challenger Florence | 2018/10/03 13:40 | Lorenzo Sonego v Johan Sebastien Tatlot | 6-2,6-4 |
| Challenger Koblenz | 2019/01/14 16:35 | Laurynas Grigelis v Pavel Kotov | 6-7,3-6 |
| Challenger Columbus | 2019/01/10 22:25 | Jan Choinski v Laurynas Grigelis | 7-6,4-6,6-2 |
| Challenger Columbus | 2019/01/08 19:05 | Laurynas Grigelis v Mathias Bourgue | 3-6,6-3,6-4 |
| Challenger Columbus | 2019/01/07 18:05 | Laurynas Grigelis v Liam Broady | 3-6,6-0,7-5 |
| Challenger Orlando | 2018/12/31 23:30 | Laurynas Grigelis v Ulises Blanch | 1-6,2-6 |
| Challenger Andria | 2018/11/21 12:40 | Quentin Halys v Laurynas Grigelis | 6-3,7-6 |
| Challenger Andria | 2018/11/20 12:15 | Raul Brancaccio v Laurynas Grigelis | 3-6,5-7 |
| Challenger Mouilleron le Captif | 2018/11/06 11:25 | Mathias Bourgue v Laurynas Grigelis | 6-3,7-6 |