Stadium: Center Court Round: 19 Ground: Clay
| Challenger Como | 2021/08/29 12:55 | Filippo Baldi v Filip Cristian Jianu | 6-4,6-4 |
| US Open | 2021/08/24 19:30 | Joao Menezes v Filippo Baldi | 6-4,7-6 |
| Challenger Verona | 2021/08/16 13:50 | Nino Serdarusic v Filippo Baldi | 6-3,6-2 |
| Challenger Prague | 2021/08/09 14:30 | Filippo Baldi v Adrian Menendez-Maceiras | 3-6,6-7 |
| Challenger Cordenons | 2021/08/02 13:50 | Lorenzo Giustino v Filippo Baldi | 6-7,6-4,6-2 |
| Challenger Todi | 2021/07/13 12:45 | Filippo Baldi v Matheus Pucinelli De Almeida | 6-1,4-6,1-6 |
| Challenger Perugia | 2021/07/07 14:00 | Filippo Baldi v Flavio Cobolli | 2-6,6-7 |
| Wimbledon | 2021/06/22 14:15 | Filippo Baldi v Roberto Marcora | 3-6,5-7 |
| Challenger Como | 2021/08/29 11:45 | Marcello Serafini v Alexander Erler | 1-6,6-3,6-7 |
| Challenger Warsaw | 2021/08/25 12:40 | Nicolas Kicker v Alexander Erler | 2-6,7-5,6-3 |
| ATP Kitzbuhel | 2021/07/28 14:50 | Mikael Ymer v Alexander Erler | 6-2,6-3 |
| ATP Kitzbuhel | 2021/07/27 15:00 | Alexander Erler v Carlos Alcaraz Garfia | 7-5,1-6,6-2 |
| Challenger Tampere | 2021/07/21 09:00 | Geoffrey Blancaneaux v Alexander Erler | 6-3,4-6,6-2 |
| Challenger Tampere | 2021/07/20 10:30 | Gastao Elias v Alexander Erler | 4-6,6-3,5-7 |
| Challenger Tampere | 2021/07/19 12:25 | Alexander Erler v Bogdan Bobrov | 6-4,5-7,1-6 |
| Challenger Tampere | 2021/07/18 09:45 | Alexander Erler v Eero Vasa | 6-2,3-6,6-2 |