| German Open 2020, MS | 2020/01/28 16:35 | Monteiro, Thiago v Kai Zhang | L | 2-4 |
| North American Open | 2019/12/07 00:50 | Monteiro, Thiago v Haidong Xu | L | 3-4 |
| North American Open | 2019/12/06 20:15 | Monteiro, Thiago v Miguel Vilchez | W | 4-2 |
| Austrian Open 2019, MS | 2019/11/13 12:30 | Maharu Yoshimura v Monteiro, Thiago | L | 4-2 |
| Polish Open | 2019/10/19 17:30 | Haidong Xu v Monteiro, Thiago | L | 4-0 |
| Polish Open | 2019/10/19 12:20 | Kakeru Sone v Monteiro, Thiago | W | 0-4 |
| Polish Open | 2019/10/18 12:20 | Jiri Martinko v Monteiro, Thiago | W | 3-4 |
| German Open 2020, MS | 2019/10/08 17:35 | Hon Ming Li v Monteiro, Thiago | W | 2-4 |
| ITTF Challenge, Spanish Open 2020, MS | 2020/02/05 16:55 | Benno Oehme v Carlos Caballero | W | 2-4 |
| North American Open | 2019/12/06 21:10 | Carlos Caballero v Marcos Madrid | L | 3-4 |
| North American Open | 2019/12/05 20:05 | Martin Bentancor v Carlos Caballero | W | 0-4 |
| Polish Open | 2019/10/16 16:50 | Carlos Caballero v Jo Yokotani | L | 2-3 |
| Bulgaria Open 2019, MS | 2019/08/13 14:10 | Tromer, Laurens v Carlos Caballero | L | 4-2 |
| Qatar Open 2019, MS | 2018/12/04 21:09 | Carlos Caballero v Tobias Rasmussen | L | 1-3 |
| Swedish Open (WTP) 2019, MS, Qualification | 2018/10/29 16:40 | Viktor Brodd v Carlos Caballero | L | 4-0 |
| République tchèque - Extraleague | 2018/10/29 10:20 | Truls Moregard v Carlos Caballero | L | 3-2 |