Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Caslano | 2020/08/31 15:30 | Balzerani, Riccardo v Federico Arnaboldi | 3-6,6-1,10-7 |
| Italian National Tour | 2020/06/30 12:05 | Lorenzo Giustino v Federico Arnaboldi | 6-4,6-0 |
| Italian Umbrian Open | 2020/06/25 12:45 | Lorenzo Sonego v Federico Arnaboldi | 6-3,6-2 |
| Italian Umbrian Open | 2020/06/24 09:15 | Luca Nardi v Federico Arnaboldi | 6-7,4-6 |
| ITF - M25 Trente | 2020/02/25 13:45 | Bega, Alessandro v Federico Arnaboldi | 6-2,6-2 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/18 05:00 | Federico Arnaboldi v Aliaksandr Liaonenka | 4-6,4-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/17 04:55 | Federico Arnaboldi v Makhmudov, Damir | 6-3,6-2 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2020/02/11 07:50 | Federico Arnaboldi v Tyurnev, Evgeny | 4-6,6-7 |
| ITF M25 Klosters | 2020/09/14 10:00 | Hoeijmans, Luc v Zimmermann, Ilias | 2-6,5-7 |
| Swiss Tennis Masters | 2020/07/03 08:30 | Zimmermann, Ilias v Staeheli, Luca | 6-2,2-6,3-6 |
| Swiss Tennis Masters | 2020/07/02 13:00 | Zimmermann, Ilias v Louroi Martinez | 2-6,4-6 |
| ITF - M15 Héraklion | 2020/02/11 09:30 | Mattia Bellucci v Zimmermann, Ilias | 6-3,6-4 |
| ITF - M15 Héraklion | 2020/02/10 09:30 | Zimmermann, Ilias v Nincevic, Frane | 7-6,6-2 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/28 09:30 | Zimmermann, Ilias v Gonzalez, Alejandro | 3-6,4-6 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/21 10:15 | Staeheli, Luca v Zimmermann, Ilias | 2-6,6-3,6-4 |