| WTT Star Contender Doha | 2021/03/07 12:50 | Dang Qiu v Thiago Monteiro | L | 3-1 |
| WTT Star Contender Doha | 2021/03/07 08:10 | Aleksandar Karakasevic v Thiago Monteiro | W | 1-3 |
| WTT Star Contender Doha | 2021/03/06 15:00 | Thiago Monteiro v Anders Lind | W | 3-2 |
| WTT Contender Doha | 2021/02/28 09:56 | Joao Geraldo v Thiago Monteiro | L | 3-0 |
| Meistrite liiga | 2020/12/15 16:50 | Kristian Karlsson v Thiago Monteiro | W | 2-3 |
| Meistrite liiga | 2020/12/13 09:20 | Felipe Olivares v Thiago Monteiro | W | 1-3 |
| Meistrite liiga | 2020/12/12 09:20 | Thiago Monteiro v Liam Pitchford | L | 2-3 |
| Oman Open | 2020/03/13 14:20 | Aliaksandr Khanin v Thiago Monteiro | L | 4-1 |
| Euro Champs Team Quals | 2021/08/29 17:30 | Tal Israeli v Nandor Ecseki | W | 0-3 |
| Euro Champs Team Quals | 2021/08/29 13:00 | Nandor Ecseki v Pedro Osiro | W | 3-1 |
| Euro Champs Team Quals | 2021/08/28 12:15 | Nandor Ecseki v Samuli Soine | W | 3-1 |
| Euro Champs Team Quals | 2021/08/27 18:00 | Nandor Ecseki v Eskil Lindholm | L | 2-3 |
| Euro Champs Team Quals | 2021/08/27 16:00 | Nandor Ecseki v Borgar Haug | L | 0-3 |
| WTT Contender Budapest | 2021/08/18 17:00 | Tomas Polansky v Nandor Ecseki | L | 3-1 |
| WTT Contender Budapest | 2021/08/17 15:40 | Nandor Ecseki v Alexander Chen | W | 3-1 |
| European Championships | 2021/06/24 15:50 | Jon Persson v Nandor Ecseki | L | 4-0 |