Away History
| ITF Spagna F1 | 2016/01/23 10:00 | Pablo Irigaray Guarne v Billy Harris | 6-2,6-4 |
| ITF Francia F2 - Qual. | 2016/01/17 11:55 | Yann Marti v Billy Harris | 6-2,6-0 |
| ITF Francia F1 | 2016/01/12 11:55 | Constant Lestienne v Billy Harris | 6-1,6-2 |
| ITF Francia F1 - Qual. | 2016/01/09 09:25 | Billy Harris v Romain Rodriguez | 6-1,6-2 |
| ITF Germania F17 | 2015/10/20 13:15 | Billy Harris v Sebastian Prechtel | 3-6,4-6 |
| ITF Germania F17 | 2015/10/19 10:00 | Billy Harris v Philipp Dittmer | 6-0,6-7,7-5 |
| ITF Germania F17 | 2015/10/18 13:00 | Billy Harris v Rudolf Molleker | 7-5,6-1 |
| ITF Francia F22 | 2015/10/14 13:00 | Billy Harris v Viktor Durasovic | 6-7,6-7 |