Stadium: Hard 13 Round: 26 Ground: Hardcourt outdoor
| ITF Greece F8 | 2018/11/14 09:40 | Lucas Catarina v Petrovic, Stefan | 6-1,6-1 |
| ITF Greece F7 | 2018/11/10 10:15 | Kocevar-Desman, Tom v Lucas Catarina | 7-6,6-0 |
| ITF Greece F7 | 2018/11/08 10:00 | Elia, Alon v Lucas Catarina | 6-3,1-6,4-6 |
| ITF Greece F7 | 2018/11/06 13:05 | Rose, Joshua v Lucas Catarina | 6-7,3-6 |
| ITF Greece F6 | 2018/11/03 08:00 | Lucas Catarina v George Loffhagen | 6-7,6-1,6-7 |
| ITF Greece F6 | 2018/11/02 08:30 | Lucas Catarina v Francesco Ferrari | 6-1,6-4 |
| ITF Greece F6 | 2018/11/01 08:25 | Lucas Catarina v Stefan Palosi | 6-2,6-3 |
| ITF Greece F6 | 2018/10/30 07:30 | Lucas Catarina v Danilov, Savriyan | 6-1,7-5 |
| ITF Greece F8 | 2018/11/14 10:05 | Stergiou, Ioannis v Hoeveler, Leon | 6-0,6-2 |
| ITF Greece F7 | 2018/11/08 11:10 | Stergiou, Ioannis v Kalovelonis, Markos | 2-6,4-6 |
| ITF Greece F7 | 2018/11/06 09:10 | Stergiou, Ioannis v Stefan Palosi | 6-4,7-5 |
| ITF Greece F6 | 2018/10/30 10:55 | Stergiou, Ioannis v Rapp, Austin | 5-7,5-7 |
| ITF Italy F20 Qual | 2018/07/22 13:00 | Stergiou, Ioannis v Capello, Ettore | 6-7,5-7 |
| ITF Italy F20 Qual | 2018/07/21 07:30 | Stergiou, Ioannis v Elio Jose Ribeiro Lago | 4-6,6-2,6-4 |
| ITF Italy F19 | 2018/07/16 19:00 | Tomas Martin Etcheverry v Stergiou, Ioannis | 6-2,7-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/25 08:00 | Nerman Fatic v Stergiou, Ioannis | 6-4,6-0 |