Stadium: Court 3 Round: 26 Ground: Clay
| Open d'Australie - Doubles Hommes | 2021/02/10 00:00 | Demoliner M / Gonzalez S v Arevalo/Middelkoop | 7-6,6-7,3-6 |
| ATP Belgrade MD | 2021/04/21 11:00 | Millman J / Smith J v Demoliner M / Gonzalez S | 6-4,6-3 |
| ATP - Miami - Doubles Hommes | 2021/03/29 16:55 | Ram/Salisbury v Demoliner M / Gonzalez S | 4-6,6-4,10-2 |
| ATP - Miami - Doubles Hommes | 2021/03/27 19:45 | Klaasen/Mclachlan v Demoliner M / Gonzalez S | 3-6,4-6 |
| ATP - Acapulco - Doubles Hommes | 2021/03/19 02:55 | Demoliner M / Gonzalez S v Ram/Salisbury | 6-4,3-6,7-10 |
| ATP - Acapulco - Doubles Hommes | 2021/03/18 03:05 | Demoliner M / Gonzalez S v Koepfer/Sitak | 7-5,4-6,10-8 |
| ATP - Santiago - Doubles Hommes | 2021/03/11 16:40 | Delbonis/Munar v Demoliner M / Gonzalez S | 7-6,7-6 |
| ATP - Santiago - Doubles Hommes | 2021/03/10 16:40 | Behar A / Escobar G v Demoliner M / Gonzalez S | 3-6,4-6 |
| ATP - Buenos Aires - Doubles Hommes | 2021/03/02 18:00 | Goransson/Monteiro v Demoliner M / Gonzalez S | 6-4,6-2 |
| ATP Belgrade MD | 2021/04/21 11:00 | Arevalo/Middelkoop v Brkic T / Cacic N | 4-6,6-7 |
| ATP Marbella MD | 2021/04/09 12:00 | Arevalo/Middelkoop v Brkic T / Cacic N | 4-6,4-6 |
| ATP Marbella MD | 2021/04/08 11:40 | Gonzalez S / Reyes-Varela M-A v Arevalo/Middelkoop | 3-6,2-6 |
| ATP Marbella MD | 2021/04/07 13:30 | Erlich J / Vasilevski A v Arevalo/Middelkoop | 4-6,6-7 |
| ATP - Dubaï - Doubles Hommes | 2021/03/15 13:00 | Arevalo/Middelkoop v Dodig I / Polasek F | 6-3,5-7,13-15 |
| ATP - Dubaï - Doubles Hommes | 2021/03/14 11:00 | Arevalo/Middelkoop v Sonego L / Vavassori A | 6-7,5-7 |
| ATP - Dubaï - Doubles Hommes | 2021/03/13 14:05 | Arevalo/Middelkoop v Gabashvili/Popko | 6-7,6-1,10-8 |
| ATP - Doha - Doubles Hommes | 2021/03/09 16:15 | Arevalo/Middelkoop v Mektic/Pavic | 1-6,3-6 |