| Euro Team Champs | 09/04 11:00 | 1 | Oostwouder, Ewout v Tokic, Bojan | L | 0-3 | |
| Euro Team Champs | 09/03 15:00 | 1 | Frane Kojic v Oostwouder, Ewout | L | 3-1 | |
| European Games | 06/22 08:00 | - | Oostwouder, Ewout v Karabaxhaku, Fatih | W | 4-0 | |
| ITTF European Team Championships, Singles | 05/18 17:40 | - | Jonathan Groth v Oostwouder, Ewout | L | 3-0 | |
| Slovenia Open | 05/09 11:15 | - | Oostwouder, Ewout v Girod, Dorian | W | 3-0 | |
| Slovenia Open | 05/08 13:40 | - | Oostwouder, Ewout v Federico Giardi | W | 3-0 | |
| World Championship | 04/23 13:50 | 57 | Nima Alamian v Oostwouder, Ewout | L | 4-0 | |
| World Championship | 04/21 16:30 | - | Oostwouder, Ewout v Ahmedov, Rashid | W | 4-1 | |
| République tchèque - Extraleague | 02/13 16:50 | - | Peng Xiang v Oostwouder, Ewout | L | 4-0 | |
| Qatar Open XD | 11/20 16:32 | - | Oostwouder, Ewout v Maksim Vuhka | W | 3-0 | |
| République tchèque - Extraleague | 11/15 16:45 | 1 | Liventsov, Alexey v Oostwouder, Ewout | L | 4-2 | |
| Qatar Open XD | 11/06 09:00 | 1 | Oostwouder, Ewout v Serdaroglu, David | L | 2-4 | |
| Qatar Open XD | 10/02 10:30 | - | Radovic, Filip v Oostwouder, Ewout | W | 1-3 | |
| Qatar Open 2019, MS | 09/20 18:40 | 6 | Ovidiu Ionescu v Oostwouder, Ewout | L | 4-1 | |
| Qatar Open XD | 08/15 08:00 | - | Quentin Robinot v Oostwouder, Ewout | L | 4-1 | |
| Qatar Open XD | 05/29 03:40 | 1 | Oostwouder, Ewout v Siu Hang Lam | W | 4-2 | |
| Qatar Open XD | 05/22 05:45 | 1 | Yun-Ju Lin v Oostwouder, Ewout | L | 4-0 | |
| Qatar Open XD | 03/20 17:50 | 1 | Cheng-Ting Liao v Oostwouder, Ewout | L | 4-2 | |
| Qatar Open XD | 03/20 12:50 | 1 | Lamadrid, Juan v Oostwouder, Ewout | L | 4-3 | |
| Qatar Open XD | 11/23 12:10 | - | Oostwouder, Ewout v Murzin, Vitalii | L | 2-4 | |
| Qatar Open XD | 11/22 12:10 | - | Oostwouder, Ewout v Palacios, Daniel | W | 4-1 | |
| Qatar Open XD | 11/01 11:15 | 1 | Oostwouder, Ewout v Ivonin, Denis | L | 1-4 | |
| Qatar Open XD | 09/16 12:12 | - | Matas Skucas v Oostwouder, Ewout | W | 1-3 | |
| Qatar Open 2019, MS | 03/07 20:40 | - | Paul Drinkhall v Oostwouder, Ewout | L | 3-0 | |
| Qatar Open 2019, MS | 12/16 19:22 | - | Oostwouder, Ewout v Alexej Smirnov | L | 0-3 | |
| Qatar Open 2019, MS | 11/25 17:33 | - | Oostwouder, Ewout v Joao Geraldo | L | 1-3 | |
| Qatar Open 2019, MS | 11/04 13:00 | - | Dimitrij Ovtcharov v Oostwouder, Ewout | L | 3-0 | |
| Qatar Open XD | 10/19 11:52 | - | Bence Majoros v Oostwouder, Ewout | W | 2-4 | |
| Qatar Open 2019, MS | 10/07 15:57 | - | Simon Gauzy v Oostwouder, Ewout | L | 3-0 |