Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2020/11/29 09:00 | Vincent Knoess v Constantin Bittoun Kouzmine | 2-6,0-6 |
| ITF M25 Klosters | 2020/09/14 07:00 | Vincent Knoess v Patrick Zahraj | 0-6,0-6 |
| ITF M15 Heráklion | 2020/02/16 11:00 | William Griffith v Vincent Knoess | 6-1,6-1 |
| ITF M15 Heráklion | 2020/02/09 08:00 | Vincent Knoess v Matic Dimic | 4-6,2-6 |
| ITF M15 Monastir | 2020/12/20 12:30 | Alexander Erler v Omar Giacalone | 3-6,5-7 |
| ITF M15 Monastir | 2020/12/19 09:00 | Skander Mansouri v Alexander Erler | 5-7,2-6 |
| ITF M15 Monastir | 2020/12/17 10:00 | Fausto Tabacco v Alexander Erler | 1-6,2-6 |
| ITF M15 Monastir | 2020/12/16 12:30 | Osgar O'Hoisin v Alexander Erler | 4-6,5-7 |
| ITF M15 Monastir | 2020/12/09 12:10 | Luca Potenza v Alexander Erler | 7-6,5-7,6-1 |
| ITF M15 Sharm El Sheikh | 2020/11/11 10:40 | Alexander Erler v Arnaud Bovy | 1-6,4-6 |
| ITF M15 Parnu | 2020/11/04 09:25 | Kristjan Tamm v Alexander Erler | 7-6,4-6,7-6 |
| ATP Vídeň | 2020/10/24 13:50 | Alexander Erler v Vasek Pospisil | 6-3,3-6,2-6 |