| ITF Greece F8 | 11/10 07:30 | 62 | Michalis Sakellaridis v Athanasios Bilis | 6-4,6-3 | |
| ITF Greece F7 | 11/03 07:30 | 62 | Athanasios Bilis v Charles Tzicas | 1-6,2-6 | |
| ITF Greece F6 | 10/27 09:00 | 62 | Stefan Palosi v Athanasios Bilis | 6-3,6-2 | |
| ITF Latvia F1 | 07/28 07:00 | 54 | Guido Ivan Justo v Athanasios Bilis | 6-1,6-0 | |
| ITF Lithuania F1 | 07/21 13:00 | 62 | Athanasios Bilis v Jan Galka | 2-6,2-6 | |
| ITF Lithuania F1 | 07/21 07:00 | 62 | Sergiu D Medesan v Athanasios Bilis | 4-6,6-2,2-6 | |
| ITF Tunisia F23 | 06/09 08:00 | 62 | Mirko Martinez v Athanasios Bilis | 6-0,6-0 | |
| ITF Tunisia F22 | 06/03 09:00 | 62 | Athanasios Bilis v Franco Capalbo | 2-6,0-6 | |
| ITF Tunisia F22 | 06/02 09:00 | 62 | Athanasios Bilis v Nicolas Beaufort | 6-3,6-4 | |
| ITF Greece F5 | 03/24 10:00 | 62 | Nick Broekhof v Athanasios Bilis | 3-6,6-2,6-4 | |
| ITF Greece F4 | 03/17 07:30 | 62 | Federico Moreno v Athanasios Bilis | 6-1,6-2 | |
| ITF Greece F3 | 03/10 10:00 | 62 | Athanasios Bilis v Nikita Mashtakov | Retired | |
| ITF Greece F2 | 03/03 07:30 | 62 | Athanasios Bilis v Marco Miceli | 4-6,1-6 | |
| ITF Greece F1 | 02/25 08:00 | 62 | Athanasios Bilis v Stamatios Kapiris | 2-6,0-6 | |
| ITF Greece F1 | 02/24 11:00 | 62 | Yusei Fukuoka v Athanasios Bilis | 1-6,6-4,6-7 | |
| ITF Greece F10 | 11/22 07:30 | 25 | Christopher Diaz-Figueroa v Athanasios Bilis | 6-2,6-2 | |
| ITF Greece F9 Qual | 11/11 07:30 | 62 | Michael Shaw v Athanasios Bilis | 6-1,6-0 | |
| ITF Greece F8 | 11/07 13:30 | 25 | Christian Hirschmueller v Athanasios Bilis | 6-1,6-3 | |
| ITF Malaysia F3 | 10/28 01:00 | 62 | Athanasios Bilis v Suraj R Prabodh | 4-6,1-6 | |
| ITF Malaysia F2 | 10/21 01:00 | 62 | Athanasios Bilis v Aoran Wang | 1-6,1-6 | |
| ITF Tunisia F27 | 09/16 08:30 | 62 | Mattia Rossi v Athanasios Bilis | 6-3,7-5 | |
| ITF Tunisia F26 | 09/10 08:30 | 62 | Amaury Delmas v Athanasios Bilis | 6-2,6-2 | |
| ITF Tunisia F26 | 09/09 08:30 | 62 | Denis Pisarchuk v Athanasios Bilis | 1-6,0-6 | |
| ITF Tunisia F25 | 09/03 09:00 | 54 | Athanasios Bilis v Erwin Troebinger | 1-6,6-2,1-6 | |
| ITF Morocco F3 | 07/29 14:00 | 44 | Athanasios Bilis v Alex Hunt | 4-6,1-6 | |
| ITF Morocco F1 | 07/15 12:00 | 44 | Athanasios Bilis v Mohamed Adnaoui | 1-6,3-6 | |
| ITF Greece F4 | 03/25 09:30 | 62 | Aleksi Tuukkanen v Athanasios Bilis | 6-2,6-1 | |
| ITF Greece F3 | 03/18 07:00 | 62 | Athanasios Bilis v Stephanos Schinas | 1-6,0-6 | |
| ITF Greece F2 Qual | 03/11 10:00 | 62 | Peter Bothwell v Athanasios Bilis | 6-1,6-1 | |
| ITF Greece F1 | 03/05 08:00 | 62 | Mirko Martinez v Athanasios Bilis | 6-1,6-1 |