Home History
| UTR Pro Tennis Series - Mulheim | 2021/07/28 12:00 | Billy Harris v Matthew Thomson | 6-2,3-6,5-1 |
| UTR Pro Tennis Series - Mulheim | 2021/07/27 09:30 | Billy Harris v Guy Den Heijer | 3-6,2-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/26 11:00 | Billy Harris v Mark Wallner | 7-6,7-6 |
| ITF - M15 Perugia | 2021/07/21 12:15 | Remy Bertola v Billy Harris | 6-3,4-6,6-4 |
| ITF - M15 L'Aquila | 2021/07/15 12:20 | Pablo Llamas Ruiz v Billy Harris | 6-4,6-4 |
| ITF - M15 L'Aquila | 2021/07/14 16:50 | Gian Marco Ortenzi v Billy Harris | 6-2,1-6,4-6 |
| ITF - M15 Almada | 2021/07/06 13:50 | Billy Harris v Francisco Rocha | 2-6,1-6 |
| ITF - M15 Antalya | 2021/07/01 08:35 | Nicolae Frunza v Billy Harris | 7-6,6-2 |
Away History
| UTR Pro Tennis Series - Mulheim | 2021/07/28 11:00 | Mark Wallner v Tim Sandkaulen | 6-7,5-6 |
| UTR Pro Tennis Series - Mulheim | 2021/07/26 11:00 | Guy Den Heijer v Tim Sandkaulen | 7-5,6-3 |
| Challenger - Braunschweig | 2021/07/05 09:30 | Tim Sandkaulen v Daniel Michalski | 3-6,5-7 |
| Challenger - Braunschweig | 2021/07/04 09:00 | Kacper Zuk v Tim Sandkaulen | 6-2,3-6,6-7 |
| ITF USA F25 | 2018/09/15 17:30 | Alan Kohen v Tim Sandkaulen | 6-4,6-4 |
| ITF USA F25 | 2018/09/14 16:00 | Tim Sandkaulen v Robert Kelly | 6-7,6-1,6-0 |
| ITF Germany F9 | 2018/07/23 10:00 | Louroi Martinez v Tim Sandkaulen | 6-0,3-6,6-3 |
| ITF Germany F9 | 2018/07/22 11:00 | Tim Sandkaulen v Torben Steinorth | 6-4,6-1 |