Stadium: Court 12 Round: 14 Ground: Clay
| ATP Cologne 2 | 2020/10/17 09:00 | Pierre-Hugues Herbert v Rudolf Molleker | 6-3,6-0 |
| ATP Cologne | 2020/10/10 13:55 | Rudolf Molleker v Marcos Giron | 4-6,3-6 |
| French Open | 2020/09/21 14:55 | Hiroki Moriya v Rudolf Molleker | 6-4,6-4 |
| Challenger Ostrava | 2020/09/02 08:00 | Steven Diez v Rudolf Molleker | 6-1,6-2 |
| Challenger Prague 2 | 2020/08/23 12:55 | Rudolf Molleker v Lukas Rosol | 3-6,7-6,5-7 |
| Challenger Prague | 2020/08/15 14:50 | Adrian Menendez-Maceiras v Rudolf Molleker | 7-6,6-3 |
| Challenger Newport Beach | 2020/01/29 22:15 | Daniel Elahi Galan v Rudolf Molleker | 6-3,6-1 |
| Challenger Hamburg | 2019/10/23 17:10 | Rudolf Molleker v Cem Ilkel | 6-7,6-2,1-6 |
| Challenger Marbella | 2020/10/26 10:00 | Andrea Arnaboldi v Andrea Pellegrino | 6-3,4-6,2-6 |
| Challenger Marbella | 2020/10/25 12:40 | Pedja Krstin v Andrea Arnaboldi | 4-6,6-4,2-6 |
| Challenger Istanbul | 2020/10/18 11:35 | Borna Gojo v Andrea Arnaboldi | 6-7,6-3,6-2 |
| Challenger Istanbul | 2020/10/17 11:35 | Andrea Arnaboldi v Pedja Krstin | 2-6,6-3,7-6 |
| ATP Sardinia | 2020/10/11 10:20 | Andrea Arnaboldi v Jozef Kovalik | 2-6,4-6 |
| ATP Sardinia | 2020/10/10 13:25 | Taro Daniel v Andrea Arnaboldi | 3-6,6-2,4-6 |
| Challenger Biella | 2020/09/29 13:10 | Andrea Collarini v Andrea Arnaboldi | 6-2,4-6,6-2 |
| Challenger Biella | 2020/09/27 09:00 | Andrea Arnaboldi v Bjorn Fratangelo | 6-4,7-5 |