Stadium: Chantereyne Round: 25 Ground: Hardcourt indoor
| Bergamo, Italy | 2019/02/23 17:30 | de Greef, Arthur v Marcora, Roberto | 6-7,6-4,1-6 |
| Challenger - Cherbourg | 2020/02/10 17:55 | de Greef, Arthur v Eriksson, Markus | 6-4,6-4 |
| Bangkok-2, Thailand | 2020/01/20 09:10 | Hugo Grenier v de Greef, Arthur | 6-1,6-4 |
| Bangkok, Thaïlande | 2020/01/13 03:00 | Alex Molcan v de Greef, Arthur | 6-2,6-2 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/11 03:40 | Yuta Shimizu v de Greef, Arthur | 6-1,6-2 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/09 05:05 | Coleman Wong v de Greef, Arthur | 3-6,4-6 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/08 02:00 | Ehara, Hiroyasu v de Greef, Arthur | 2-6,2-6 |
| Wimbledon, London, Great Britain | 2019/06/24 10:00 | de Greef, Arthur v Marcos Giron | 2-6,3-6 |
| Lyon, France | 2019/06/12 10:00 | de Greef, Arthur v Ignatik, Uladzimir | 6-7,6-0,6-7 |
| ATP Pune | 2020/02/07 15:20 | Marcora, Roberto v James Duckworth | 3-6,6-7 |
| ATP Pune | 2020/02/06 15:05 | Benoit Paire v Marcora, Roberto | 4-6,4-6 |
| ATP Pune | 2020/02/04 10:00 | Lukas Rosol v Marcora, Roberto | 3-6,2-6 |
| ATP Pune | 2020/02/02 09:30 | Rola, Blaz v Marcora, Roberto | 4-6,6-7 |
| ATP Pune | 2020/02/01 09:30 | Baldi, Filippo v Marcora, Roberto | 3-6,2-6 |
| Bangkok-2, Thailand | 2020/01/22 03:00 | Wishaya Trongcharoenchaikul v Marcora, Roberto | 3-6,6-3,6-4 |
| Open d'Australie | 2020/01/16 04:00 | Norbert Gombos v Marcora, Roberto | 6-2,6-4 |
| Open d'Australie | 2020/01/14 01:30 | Marcora, Roberto v Lacko, Lukas | 6-3,6-2 |