| Europe Cup | 03/28 07:20 | 1 | Cazacu, Alexandru v Pereira, Andy | L | 1-3 | |
| Europe Cup | 03/27 10:30 | 1 | Novota, Samuel v Cazacu, Alexandru | W | 0-3 | |
| Europe Cup | 03/27 09:30 | 1 | Peter Sereda v Cazacu, Alexandru | W | 2-3 | |
| Hungarian Open 2020, MS, Qualification | 02/18 14:40 | - | Paul Drinkhall v Cazacu, Alexandru | L | 4-2 | |
| Challenge Plus Portugal Open 2020, MS, Quali | 02/14 14:05 | 6 | Emmanuel Lebesson v Cazacu, Alexandru | L | 4-1 | |
| ITTF Challenge, Spanish Open 2020, MS | 02/06 13:05 | 6 | Cazacu, Alexandru v Anton Kallberg | L | 0-4 | |
| Austrian Open 2019, MS | 11/12 09:15 | - | Chenhao Xu v Cazacu, Alexandru | L | 4-1 | |
| Swedish Open (WTP) 2019, MS, Qualification | 10/02 10:40 | - | Cazacu, Alexandru v Enzo Angles | L | 1-4 | |
| Serbia Open | 05/02 10:15 | - | Cazacu, Alexandru v Artemenko, Nikita | W | 3-1 | |
| Serbia Open | 05/01 16:20 | - | Cazacu, Alexandru v Benno Oehme | W | 3-1 | |
| République tchèque - Extraleague | 10/24 13:35 | 1 | Franco, Carlos v Cazacu, Alexandru | L | 4-1 | |
| Qatar Open XD | 11/08 11:10 | 1 | Jonghoon Lim v Cazacu, Alexandru | L | 4-0 | |
| Qatar Open XD | 11/07 14:40 | 1 | Salifou, Abdel-Kader v Cazacu, Alexandru | L | 4-1 | |
| Qatar Open XD | 10/31 17:00 | 1 | Cazacu, Alexandru v Wolf, Christian | W | 4-0 | |
| Qatar Open XD | 10/29 10:41 | - | Djordje Borcic v Cazacu, Alexandru | W | 2-3 | |
| Qatar Open XD | 10/29 09:40 | - | Jaime Vidal v Cazacu, Alexandru | W | 2-3 | |
| Qatar Open XD | 10/28 17:20 | - | Cazacu, Alexandru v Ludovic Bierny | L | 1-3 |