Stadium: Pallazzetto Alzano Round: 25 Ground: Hardcourt indoor
| Challenger - Santiago | 2018/03/05 16:30 | Krstin, Pedja v de Greef, Arthur | 6-3,3-6,6-0 |
| Challenger - Quimper | 2020/01/27 13:25 | Krstin, Pedja v Vit Kopriva | 3-6,3-6 |
| Open d'Australie | 2020/01/17 02:45 | Norbert Gombos v Krstin, Pedja | 6-3,6-3 |
| Open d'Australie | 2020/01/16 05:50 | Frederico Ferreira Silva v Krstin, Pedja | 6-3,4-6,1-6 |
| Open d'Australie | 2020/01/14 03:00 | Krstin, Pedja v Martin Klizan | 6-3,6-2 |
| Challenger Maia | 2019/11/20 10:00 | Krstin, Pedja v Baldi, Filippo | 6-2,4-6,0-6 |
| Challenger Maia | 2019/11/19 11:45 | Krstin, Pedja v Denis Yevseyev | 6-4,7-5 |
| Houston, USA | 2019/11/15 21:20 | Krstin, Pedja v Mitchell Krueger | 6-7,4-6 |
| Houston, USA | 2019/11/13 16:00 | Krstin, Pedja v Nick Chappell | 6-1,1-6,6-1 |
| Bergamo, Italy | 2020/02/17 11:20 | Matteo Gigante v de Greef, Arthur | 7-6,6-7,5-7 |
| Challenger - Cherbourg | 2020/02/12 11:00 | de Greef, Arthur v Marcora, Roberto | 3-6,4-6 |
| 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 |