Stadium: Center Court Round: 29 Ground: Grass
| ATP Santiago MD | 2021/03/10 16:40 | Behar/Escobar v Demoliner/Gonzalez | 3-6,4-6 |
| ATP Estoril MD | 2021/04/28 12:20 | Nys/Puetz v Demoliner/Gonzalez | 7-6,6-1 |
| ATP Estoril MD | 2021/04/27 14:20 | Demoliner/Gonzalez v Arevalo/Middelkoop | 6-2,3-6,10-5 |
| ATP Belgrade MD | 2021/04/21 11:00 | Millman/Smith v Demoliner/Gonzalez | 6-4,6-3 |
| ATP Miami MD | 2021/03/29 16:55 | Ram/Salisbury v Demoliner/Gonzalez | 4-6,6-4,10-2 |
| ATP Miami MD | 2021/03/27 19:45 | Klaasen/Mclachlan v Demoliner/Gonzalez | 3-6,4-6 |
| ATP Acapulco MD | 2021/03/19 02:55 | Demoliner/Gonzalez v Ram/Salisbury | 6-4,3-6,7-10 |
| ATP Acapulco MD | 2021/03/18 03:05 | Demoliner/Gonzalez v Koepfer/Sitak | 7-5,4-6,10-8 |
| ATP Santiago MD | 2021/03/11 16:40 | Delbonis/Munar v Demoliner/Gonzalez | 7-6,7-6 |
| ATP Rome MD | 2021/05/13 08:00 | Behar/Escobar v Koolhof/Rojer | 6-4,3-6,8-10 |
| ATP Rome MD | 2021/05/10 15:30 | Behar/Escobar v Kontinen/Roger-Vasselin | 3-6,7-5,16-14 |
| ATP Estoril MD | 2021/05/01 11:00 | Behar/Escobar v Bambridge/Inglot | 3-6,4-6 |
| ATP Estoril MD | 2021/04/30 13:15 | Garin/Vega Hernandez v Behar/Escobar | 4-6,4-6 |
| ATP Estoril MD | 2021/04/28 12:50 | Molteni/Nielsen v Behar/Escobar | 1-6,4-6 |
| ATP Belgrade MD | 2021/04/24 13:00 | Behar/Escobar v Sabanov/Sabanov | 3-6,6-7 |
| ATP Belgrade MD | 2021/04/23 11:00 | Behar/Escobar v Brkic/Cacic | 6-3,6-4 |
| ATP Belgrade MD | 2021/04/22 13:40 | Behar/Escobar v Millman/Smith | 6-4,7-5 |