Round: 26 Ground: Clay
| Czech Republic F2, Singles | 2017/05/23 09:00 | Michael Vrbensky v Lang, Robin | 6-2,6-7,4-6 |
| Czech Republic F2, Singles | 2017/05/22 09:00 | Lang, Robin v Freimuth, Jesper Tull | 6-1,6-1 |
| Czech Republic F2, Singles | 2017/05/21 08:00 | Nazim Makhlouf v Lang, Robin | 4-6,1-6 |
| ITF Tunisia F7 | 2017/02/18 08:00 | Leonardi, Filippo v Lang, Robin | 6-3,6-2 |
| Tunisia F6, Singles Qualifying | 2017/02/11 08:00 | Paul Woerner v Lang, Robin | 6-2,5-7,6-3 |
| ITF Switzerland F1 Qual | 2017/02/04 11:00 | Lang, Robin v Fournerie, Theo | 5-7,4-6 |
| ITF Germany F3 | 2017/01/23 08:30 | Haerteis, Johannes v Lang, Robin | 7-5,6-3 |
| ITF Germany F3 | 2017/01/22 08:30 | Lang, Robin v Kaelin, Yanik | 7-6,6-1 |
| Czech Republic F2, Singles | 2017/05/24 11:30 | Mayer, Patrick v Alexandar Lazarov | 2-6,2-6 |
| ITF Czech Republic F1 | 2017/05/18 08:30 | Alexandar Lazarov v Lenz, Julian | 7-6,6-7,3-6 |
| ITF Czech Republic F1 | 2017/05/16 08:30 | Elmar Ejupovic v Alexandar Lazarov | 1-6,5-7 |
| ITF Hungary F1 | 2017/05/10 08:00 | Balazs, Attila v Alexandar Lazarov | 6-2,7-5 |
| ITF Croatia F3 | 2017/03/22 10:05 | Alexandar Lazarov v Naoki Nakagawa | 2-6,0-6 |
| ITF Croatia F2 | 2017/03/15 10:35 | Riba, Pere v Alexandar Lazarov | 6-2,6-3 |
| ITF Croatia F1 | 2017/03/08 10:00 | Alexandar Lazarov v Manda, Calin | 6-4,3-6,3-6 |
| Sofia, Bulgaria | 2017/02/06 16:00 | Alexandar Lazarov v Radu Albot | 6-7,2-6 |