Stadium: Palaagnelli Round: 28 Ground: Hardcourt indoor
| Bergamo, Italy | 2019/02/22 15:00 | Vanni, Luca v de Greef, Arthur | 6-7,4-6 |
| Bergamo, Italy | 2019/02/21 15:10 | de Greef, Arthur v Crepatte, Baptiste | 6-2,6-4 |
| Bergamo, Italy | 2019/02/20 12:10 | de Greef, Arthur v Petrovic, Danilo | 6-3,6-4 |
| Coupe Davis | 2019/02/01 18:00 | Thiago Monteiro v de Greef, Arthur | 6-3,6-2 |
| Challenger - Koblenz | 2019/01/16 14:00 | Kaichi Uchida v de Greef, Arthur | 7-6,6-4 |
| Open d'Australie | 2019/01/08 04:10 | Felix Auger Aliassime v de Greef, Arthur | 6-2,7-6 |
| Challenger Playford | 2019/01/01 06:50 | de Greef, Arthur v Casper Ruud | 1-6,3-6 |
| Challenger Playford | 2018/12/31 04:50 | Stefano Napolitano v de Greef, Arthur | 3-6,6-3,5-7 |
| Bergamo, Italy | 2019/02/22 10:00 | Marcora, Roberto v Jan Choinski | 7-6,6-3 |
| Bergamo, Italy | 2019/02/21 09:00 | Andrea Vavassori v Marcora, Roberto | 5-7,3-6 |
| Bergamo, Italy | 2019/02/20 10:20 | Marcora, Roberto v Mohamed Safwat | 7-6,6-4 |
| Bergamo, Italy | 2019/02/18 15:25 | Grigelis, Laurynas v Marcora, Roberto | 0-6,3-6 |
| Challenger Budapest | 2019/02/10 14:00 | Marcora, Roberto v Alexander Bublik | 0-6,3-6 |
| Challenger Budapest | 2019/02/09 14:35 | Marcora, Roberto v Oscar Otte | 6-4,7-6 |
| Challenger Budapest | 2019/02/08 14:30 | Zdenek Kolar v Marcora, Roberto | 6-2,3-6,2-6 |
| Challenger Budapest | 2019/02/07 10:00 | Norbert Gombos v Marcora, Roberto | 3-6,4-6 |