Stadium: Court 22 Round: 45 Ground: Hardcourt outdoor
| Challenger Heilbronn | 2018/05/18 13:10 | Juan Ignacio Londero v Oscar Otte | 6-4,3-6,6-3 |
| Challenger Banja Luka | 2018/09/14 08:30 | Juan Ignacio Londero v Filippo Baldi | 6-4,0-6,5-7 |
| Challenger Banja Luka | 2018/09/13 10:35 | Juan Ignacio Londero v Federico Coria | 6-4,6-2 |
| Challenger Genova | 2018/09/06 10:00 | Hubert Hurkacz v Juan Ignacio Londero | 5-7,7-5,6-0 |
| Challenger Como | 2018/09/01 15:50 | Cristian Garin v Juan Ignacio Londero | 6-4,6-2 |
| Challenger Como | 2018/08/30 16:40 | Dustin Brown v Juan Ignacio Londero | 5-7,2-6 |
| Challenger Como | 2018/08/28 12:20 | Gianluca Mager v Juan Ignacio Londero | 4-6,7-6,6-7 |
| US Open | 2018/08/21 20:15 | Juan Ignacio Londero v Facundo Bagnis | 5-7,6-7 |
| Challenger Tampere | 2018/07/29 10:00 | Juan Ignacio Londero v Tallon Griekspoor | 3-6,6-2,3-6 |
| Challenger Orleans | 2018/09/25 20:40 | Oscar Otte v Corentin Moutet | 6-7,7-6,4-6 |
| ATP Metz | 2018/09/16 12:10 | Yannick Maden v Oscar Otte | 7-6,6-3 |
| Challenger Istanbul | 2018/09/12 10:05 | Oscar Otte v Cem Ilkel | 3-6,4-6 |
| Challenger Istanbul | 2018/09/11 09:10 | Oscar Otte v James Ward | 6-3,6-3 |
| Challenger Cassis | 2018/09/07 14:15 | James Ward v Oscar Otte | 7-6,3-6,6-3 |
| Challenger Cassis | 2018/09/06 09:00 | Oriol Roca Batalla v Oscar Otte | 3-6,4-6 |
| Challenger Cassis | 2018/09/04 13:05 | Oscar Otte v Sergiy Stakhovsky | 7-6,3-6,7-5 |
| Challenger Mallorca | 2018/08/30 11:05 | Thomas Fabbiano v Oscar Otte | 6-0,6-2 |