Stadium: Court 3 Round: 46 Ground: Hardcourt indoor
| Challenger - Bratislava | 2018/11/03 14:05 | Matteo Viola v Marek Gengel | 6-2,6-1 |
| Challenger - Ismaning | 2018/10/19 12:00 | Matteo Viola v Ugo Humbert | 1-6,2-6 |
| Challenger - Ismaning | 2018/10/17 11:00 | James Ward v Matteo Viola | 5-7,6-1,6-7 |
| Challenger - Ismaning | 2018/10/16 11:00 | Vaclav Safranek v Matteo Viola | 4-6,2-6 |
| Challenger - Barcelona | 2018/10/11 10:50 | Matteo Viola v Miljan Zekic | 4-6,5-7 |
| Challenger - Barcelona | 2018/10/10 10:00 | David Guez v Matteo Viola | 6-7,3-6 |
| Challenger - Sibiu | 2018/09/18 12:10 | Matteo Viola v Nino Serdarusic | 2-6,7-6,1-6 |
| Challenger - Istanbul | 2018/09/14 13:25 | Thomas Fabbiano v Matteo Viola | 3-6,6-2,6-4 |
| Challenger - Bratislava | 2018/11/03 15:15 | Thomas Statzberger v Johannes Haerteis | 4-6,4-6 |
| Challenger - Eckental | 2018/10/28 13:45 | Albano Olivetti v Johannes Haerteis | 6-3,6-4 |
| Challenger - Eckental | 2018/10/27 14:00 | Johannes Haerteis v Tim Hofmann | 6-3,6-1 |
| Challenger - Ismaning | 2018/10/20 15:05 | Johannes Haerteis v Gleb Sakharov | 4-6,2-6 |
| Challenger - Ismaning | 2018/10/19 16:40 | Daniel Masur v Johannes Haerteis | 5-7,3-6 |
| Challenger - Ismaning | 2018/10/18 12:00 | Lukáš Klein v Johannes Haerteis | 3-6,6-4,5-7 |
| Challenger - Ismaning | 2018/10/17 14:25 | Johannes Haerteis v Dennis Novak | 0-6,7-6,7-5 |
| Challenger - Ismaning | 2018/10/15 10:30 | Szymon Walkow v Johannes Haerteis | 4-6,4-6 |