| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 19:55 | Carlos Caballero v Leonardo Mutti | W | 0-4 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 14:00 | Fedotov, Petr v Leonardo Mutti | W | 1-4 |
| World Team Olympic Quals | 2020/01/23 21:00 | Leonardo Mutti v Cedric Nuytinck | L | 2-3 |
| Swedish Open (WTP) 2019, MS, Qualification | 2019/10/02 11:30 | Flore, Tristan v Leonardo Mutti | L | 4-0 |
| Paraguay Open | 2019/09/12 18:45 | Martin Allegro v Leonardo Mutti | L | 4-2 |
| Paraguay Open | 2019/09/11 16:30 | Leonardo Mutti v Gavilan, Axel | W | 3-0 |
| Paraguay Open | 2019/09/10 22:05 | Leonardo Mutti v Guadalupe, Matias | W | 3-0 |
| Bulgaria Open 2019, MS | 2019/08/13 13:20 | Leonardo Mutti v Todorov, Stefan | W | 4-0 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 19:55 | Steffen Mengel v Baek, Kwangil | W | 4-2 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/06 14:00 | Steffen Mengel v Enzo Angles | W | 4-3 |
| German Open 2020, MS | 2020/01/28 08:30 | Hiroto Shinozuka v Steffen Mengel | W | 3-4 |
| Ligue des Champions | 2020/01/15 19:50 | Steffen Mengel v Darko Jorgic | W | 3-2 |
| Tennis de table - Rencontres | 2019/12/05 18:00 | Steffen Mengel v Merzlikin, Taras | W | 3-2 |
| Tennis de table - Rencontres | 2019/10/24 19:00 | Lundqvist, Jens v Steffen Mengel | L | 3-1 |
| Tennis de table - Rencontres | 2019/10/24 18:00 | Persson, Jon v Steffen Mengel | L | 3-0 |
| Tennis de table - Rencontres | 2019/10/16 17:00 | Steffen Mengel v Dimitrij Ovtcharov | L | 0-3 |