Stadium: Court 2 Round: 26 Ground: Clay
| ITF Switzerland F4 | 2018/08/28 12:15 | Yannik Steinegger v Hartmeier, Patrik | 6-4,7-6 |
| ITF Switzerland F4 | 2018/08/27 08:30 | Perret, Loic v Yannik Steinegger | 4-6,2-6 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Keist, Luca v Yannik Steinegger | 6-4,3-6,6-3 |
| ITF Austria F1 | 2018/06/30 11:00 | Hruncak, Dominik v Yannik Steinegger | 7-6,6-2 |
| ITF Switzerland F1 | 2018/02/08 13:40 | Yannik Steinegger v Reinwein, Sami | 4-6,3-6 |
| ITF Switzerland F1 | 2018/02/07 12:00 | Antoine Bellier v Yannik Steinegger | 4-6,4-6 |
| ITF Switzerland F1 Qual | 2018/02/05 12:25 | Kolly, Bastien v Yannik Steinegger | 6-7,0-6 |
| ITF Switzerland F1 Qual | 2018/02/04 11:30 | Yannik Steinegger v Ceppellini, Alessandro | 6-2,6-4 |
| ITF Switzerland F4 | 2018/08/28 08:00 | Gomez, Lucas v Tabrizi, Keivon | 6-1,6-1 |
| ITF Switzerland F3 | 2018/08/22 11:30 | Bossel, Adrien v Gomez, Lucas | 7-6,6-7,6-3 |
| Challenger Aptos | 2018/08/05 17:00 | Ward, Alexander v Gomez, Lucas | 6-4,6-0 |
| Challenger Aptos | 2018/08/04 16:00 | Gomez, Lucas v Chris Harrison | 6-3,6-0 |
| ATP - Los Cabos | 2018/08/01 00:00 | Gomez, Lucas v Querrey, Sam | 2-6,3-6 |
| ITF Italy F18 | 2018/07/10 17:00 | Cornut-Chauvinc, Antoine v Gomez, Lucas | 6-4,6-4 |
| ITF Italy F18 Qual | 2018/07/08 09:00 | Gomez, Lucas v Ceppellini, Alessandro | 6-4,6-1 |
| ITF Italy F18 Qual | 2018/07/07 08:00 | Gomez, Lucas v Coppini, Alessandro | 6-4,6-2 |