Stadium: Court 2 Round: 62 Ground: Clay
| San Francisco, USA, Qualifying | 2017/02/05 00:45 | Hoffmann, Bjorn v Harrison, Christian | 3-6,2-6 |
| USA F34, Singles | 2016/10/22 19:00 | Zincirli, Mert v Hoffmann, Bjorn | 4-6,7-6,6-4 |
| USA F33, Singles | 2016/10/20 21:30 | Hoffmann, Bjorn v Goransson, Andre | 2-6,2-6 |
| USA F33, Singles | 2016/10/19 17:00 | Bader, Sebastian v Hoffmann, Bjorn | 5-7,3-6 |
| ITF USA F33 Qual | 2016/10/18 16:00 | Zincirli, Mert v Hoffmann, Bjorn | 2-6,7-6,2-6 |
| ITF USA F33 Qual | 2016/10/17 21:00 | Huang, Austen v Hoffmann, Bjorn | 5-7,1-6 |
| ITF USA F2 Qual | 2016/01/09 19:00 | Jaede, Jack v Hoffmann, Bjorn | 6-2,2-6,6-4 |
| ITF USA F1 Qual | 2016/01/02 17:00 | Hoffmann, Bjorn v Caruana, Liam | 6-7,3-6 |
| ITF USA F33 Qual | 2017/10/08 16:30 | Breitbach, Kai v Johnson, Trevor Allen | 3-6,1-6 |
| Meerbusch, Allemagne, Qualifications | 2017/08/13 14:10 | Breitbach, Kai v Gabb, Richard | 1-6,5-7 |
| Meerbusch, Allemagne, Qualifications | 2017/08/12 15:40 | Anton Chekhov v Breitbach, Kai | 6-3,2-6,6-7 |
| Meerbusch, Allemagne, Qualifications | 2016/08/13 09:45 | Niklas Schell v Breitbach, Kai | 6-3,7-6 |
| ITF Germany F2 Qual | 2016/01/18 09:00 | Alexander Bublik v Breitbach, Kai | 6-4,6-4 |
| ITF Germany F3 Qual | 2015/01/18 12:30 | Breitbach, Kai v Mazzella, Manuel | 0-6,4-6 |