Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Sierre | 2021/08/29 12:05 | Benjamin Ginefri v Gruenig, Gian | 2-6,2-6 |
| Swiss Tennis Masters | 2020/07/05 12:30 | Marc-Andrea Huesler v Gruenig, Gian | 6-1,6-3 |
| Swiss Tennis Masters | 2020/07/04 10:30 | Gruenig, Gian v Yannik Steinegger | 7-5,3-6,0-6 |
| Swiss Tennis Masters | 2020/07/03 15:00 | Margaroli, Luca v Gruenig, Gian | 6-4,3-6,2-6 |
| Swiss Tennis Masters | 2020/07/01 13:00 | Baltensperger, Raphael v Gruenig, Gian | 6-4,6-2 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/19 08:00 | Gruenig, Gian v Thomas Setodji | 7-5,2-6,4-10 |
| ITF Germany F14 | 2018/09/30 07:00 | Gruenig, Gian v Laurin Aerne | 4-6,2-6 |
| ITF Switzerland F5 | 2018/09/02 10:30 | Gruenig, Gian v Anton Chekhov | 6-7,3-6 |
| ITF M25 Sierre | 2021/08/29 13:15 | Laurent Teysseire v Ginefri, Max | 1-6,4-6 |
| ITF M25 Lesa | 2021/08/22 09:10 | Ginefri, Max v Giannicola Misasi | 3-6,0-6 |
| ITF M25 Denia | 2021/07/25 09:30 | Andrey Chepelev v Ginefri, Max | 6-4,6-2 |
| ITF M25 Ajaccio | 2021/07/05 17:00 | Clement Chidekh v Ginefri, Max | 6-1,6-0 |
| ITF M25 Grasse | 2021/06/13 13:05 | Ginefri, Max v Stable, Rayane | 1-6,2-6 |