Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| US Open - Herredouble | 2021/09/03 00:15 | Klaasen/Mclachlan v Krueger/Mmoh | 6-4,6-7,7-6 |
| ATP Winston-Salem Herredouble | 2021/08/24 01:20 | Klaasen/Mclachlan v Daniell/Demoliner | 3-6,6-4,4-10 |
| ATP Cincinnati - Herredobbel | 2021/08/16 17:30 | Behar/Escobar v Klaasen/Mclachlan | 4-6,6-3,10-8 |
| ATP Toronto - Herredouble | 2021/08/11 19:40 | Klaasen/Mclachlan v Koolhof/Krajicek | 4-6,6-7 |
| ATP Washington - Herredouble | 2021/08/08 18:00 | Klaasen/Mclachlan v Skupski/Venus | 7-6,6-4 |
| ATP Washington - Herredouble | 2021/08/07 19:00 | Daniell/Melo v Klaasen/Mclachlan | 4-6,5-7 |
| ATP Washington - Herredouble | 2021/08/03 23:10 | Klaasen/Mclachlan v Bublik/Golubev | 7-5,6-2 |
| Wimbledon - Herredouble | 2021/07/07 10:00 | Bolelli/Gonzalez v Klaasen/Mclachlan | 7-6,6-4,6-3 |
| US Open - Herredouble | 2021/09/03 17:15 | Gonzalez/Molteni v Haase/McDonald | 5-7,6-3,6-2 |
| ATP Stuttgart - Herredouble | 2021/06/12 10:00 | Demoliner/Gonzalez v Gonzalez/Molteni | 7-6,6-7,10-6 |
| ATP Stuttgart - Herredouble | 2021/06/11 10:30 | Begemann/Brown v Gonzalez/Molteni | 7-6,4-6,6-10 |
| ATP Stuttgart - Herredouble | 2021/06/08 14:05 | Gonzalez/Molteni v Auger Aliassime/Monroe | 6-7,6-3,10-8 |
| ATP Cup - Herredouble | 2020/01/09 12:35 | Gonzalez/Molteni v Gabashvili/Kravchuk | 6-7,4-6 |
| ATP Cup - Herredouble | 2020/01/08 12:15 | Dodig/Mektic v Gonzalez/Molteni | 6-3,3-6,2-10 |
| ATP Cup - Herredouble | 2020/01/06 11:25 | Marach/Melzer v Gonzalez/Molteni | 6-1,6-4 |
| ATP Cup - Herredouble | 2020/01/04 04:45 | Gonzalez/Molteni v Hurkacz/Kubot | 6-2,6-4 |