Stadium: Court 10 Round: 44
| ITF Portugal F20 | 2018/10/08 09:00 | Almeida, Tomas v van Der Horst, Tim | 1-6,2-6 |
| ITF Portugal F20 | 2018/10/07 08:00 | Gatev, Maximilian v Almeida, Tomas | 0-6,2-6 |
| ITF Portugal F19 | 2018/10/03 11:55 | Almeida, Tomas v Gil, Fred | 0-6,3-6 |
| ITF Portugal F18 | 2018/09/22 13:00 | Salgado, Afonso v Almeida, Tomas | 4-6,7-5,6-1 |
| ITF Portugal F16 | 2018/08/19 08:30 | Benitez Chavarriaga, Juan Manuel v Almeida, Tomas | 6-0,6-3 |
| ITF Portugal F16 | 2018/08/18 13:00 | Almeida, Tomas v Price, Cameron | 6-1,6-2 |
| ITF Portugal F15 | 2018/08/12 11:30 | Binding, Jonathan v Almeida, Tomas | 6-3,6-0 |
| ITF Portugal F15 | 2018/08/11 14:00 | Valentin De Carvalho v Almeida, Tomas | 4-6,0-6 |
| ITF Portugal F20 | 2018/10/06 08:30 | Rodeia, Andre v Kaelin, Yanik | 5-7,6-3,7-6 |
| ITF Portugal F19 | 2018/09/29 08:30 | Brandao, Filipe v Kaelin, Yanik | 6-3,6-3 |
| ITF Tunisia F33 | 2018/09/23 10:30 | Hartmeier, Patrik v Kaelin, Yanik | 6-4,6-2 |
| ITF Switzerland F5 | 2018/09/02 11:30 | Martinez, Mirko v Kaelin, Yanik | 6-2,6-1 |
| ITF Switzerland F5 | 2018/09/01 08:00 | Kaelin, Yanik v Krattiger, Jesse Paul | 3-6,6-0,6-4 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Langmajer, Dominik v Kaelin, Yanik | 0-6,5-7 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Marek Gengel v Kaelin, Yanik | 3-6,6-2,6-4 |
| ITF Germany F4 | 2018/06/18 10:00 | Kaelin, Yanik v Patrick Zahraj | 3-6,3-6 |